<?php
// --------------------------------------------------------------------------------
// PhpConcept Library - Zip Module 2.8.2
// --------------------------------------------------------------------------------
// License GNU/LGPL - Vincent Blavet - August 2009
// http://www.phpconcept.net
// --------------------------------------------------------------------------------
//
// Presentation :
//   PclZip is a PHP library that manage ZIP archives.
//   So far tests show that archives generated by PclZip are readable by
//   WinZip application and other tools.
//
// Description :
//   See readme.txt and http://www.phpconcept.net
//
// Warning :
//   This library and the associated files are non commercial, non professional
//   work.
//   It should not have unexpected results. However if any damage is caused by
//   this software the author can not be responsible.
//   The use of this software is at the risk of the user.
//
// --------------------------------------------------------------------------------
// $Id: pclzip.lib.php 2 2017-07-02 15:14:29Z Manuela $
// --------------------------------------------------------------------------------

// --------------------------------------------------------------------------------
// ***** UNDER THIS LINE NOTHING NEEDS TO BE MODIFIED *****
// --------------------------------------------------------------------------------

    // Global variables
    $g_pclzip_version = "2.8.2";

/* --- include global constants definitions if realy needed --------------------------- */
/* this part is set deprecated and for compatibility only                               */
    if (!defined('PCLZIP_ERR_NO_ERROR')) {
        include __DIR__.'/Constants.php';
    }
/* --- zlib compatibility for 32bit Ubuntu -------------------------------------------- */
/* this part is never needed on 64bit servers                                           */
    if (!function_exists('gzopen')) {
        if (!function_exists('gzopen64')) {
            throw new Exception('Loading '.basename(__FILE__).' aborted: Missing zlib extensions');
        } else {
            function gzopen($sfn,$m)
            {
                return gzopen64($sfn,$m);
            }
        }
    }
/* ==================================================================================== */
/** --------------------------------------------------------------------------------------
 * Class : PclZip
 * Description :
 *   PclZip is the class that represent a Zip archive.
 *   The public methods allow the manipulation of the archive.
 * Attributes :
 *   Attributes must not be accessed directly.
 * Methods :
 *   PclZip() : Object creator
 *   create() : Creates the Zip archive
 *   listContent() : List the content of the Zip archive
 *   extract() : Extract the content of the archive
 *   properties() : List the properties of the archive
 */

class PclZip
{

  // Constants
    const READ_BLOCK_SIZE = 2048;

  // File list separator
  // In version 1.x of PclZip, the separator for file list is a space
  // (which is not a very smart choice, specifically for windows paths !).
  // A better separator should be a comma (,). This constant gives you the
  // abilty to change that.
  // However notice that changing this value, may have impact on existing
  // scripts, using space separated filenames.
  // Recommanded values for compatibility with older versions :
  // const SEPARATOR = ' ';
  // Recommanded values for smart separation of filenames.
    const SEPARATOR = ',';

  // Error configuration
  // 0 : PclZip Class integrated error handling
  // 1 : PclError external library error handling. By enabling this
  //     you must ensure that you have included PclError library.
  // [2,...] : reserved for futur use
    const ERROR_EXTERNAL = 0;

  // Optional static temporary directory
  //       By default temporary files are generated in the script current
  //       path.
  //       If defined :
  //       - MUST BE terminated by a '/'.
  //       - MUST be a valid, already created directory
  //       Samples :
  //       - const TEMPORARY_DIR = '/temp/';
  //       - const TEMPORARY_DIR = 'C:/Temp/';
    const TEMPORARY_DIR = '';

  // Optional threshold ratio for use of temporary files
  //       Pclzip sense the size of the file to add/extract and decide to
  //       use or not temporary file. The algorythm is looking for
  //       memory_limit of PHP and apply a ratio.
  //       threshold = memory_limit * ratio.
  //       Recommended values are under 0.5. Default 0.47.
  //       Samples :
  //       - const TEMPORARY_FILE_RATIO = 0.5;
    const TEMPORARY_FILE_RATIO = 0.47;

// Error codes ---------------------------------------------------------------------
//    -1 : Unable to open file in binary write mode
//    -2 : Unable to open file in binary read mode
//    -3 : Invalid parameters
//    -4 : File does not exist
//    -5 : Filename is too long (max. 255)
//    -6 : Not a valid zip file
//    -7 : Invalid extracted file size
//    -8 : Unable to create directory
//    -9 : Invalid archive extension
//    -10 : Invalid archive format
//    -11 : Unable to delete file (unlink)
//    -12 : Unable to rename file (rename)
//    -13 : Invalid header checksum
//    -14 : Invalid archive size
    const ERR_USER_ABORTED            =     2;
    const ERR_NO_ERROR                =     0;
    const ERR_WRITE_OPEN_FAIL         =    -1;
    const ERR_READ_OPEN_FAIL          =    -2;
    const ERR_INVALID_PARAMETER       =    -3;
    const ERR_MISSING_FILE            =    -4;
    const ERR_FILENAME_TOO_LONG       =    -5;
    const ERR_INVALID_ZIP             =    -6;
    const ERR_BAD_EXTRACTED_FILE      =    -7;
    const ERR_DIR_CREATE_FAIL         =    -8;
    const ERR_BAD_EXTENSION           =    -9;
    const ERR_BAD_FORMAT              =   -10;
    const ERR_DELETE_FILE_FAIL        =   -11;
    const ERR_RENAME_FILE_FAIL        =   -12;
    const ERR_BAD_CHECKSUM            =   -13;
    const ERR_INVALID_ARCHIVE_ZIP     =   -14;
    const ERR_MISSING_OPTION_VALUE    =   -15;
    const ERR_INVALID_OPTION_VALUE    =   -16;
    const ERR_ALREADY_A_DIRECTORY     =   -17;
    const ERR_UNSUPPORTED_COMPRESSION =   -18;
    const ERR_UNSUPPORTED_ENCRYPTION  =   -19;
    const ERR_INVALID_ATTRIBUTE_VALUE =   -20;
    const ERR_DIRECTORY_RESTRICTION   =   -21;
    // Options values --------------------------------------------------------------
    const OPT_PATH                    = 77001;
    const OPT_ADD_PATH                = 77002;
    const OPT_REMOVE_PATH             = 77003;
    const OPT_REMOVE_ALL_PATH         = 77004;
    const OPT_SET_CHMOD               = 77005;
    const OPT_EXTRACT_AS_STRING       = 77006;
    const OPT_NO_COMPRESSION          = 77007;
    const OPT_BY_NAME                 = 77008;
    const OPT_BY_INDEX                = 77009;
    const OPT_BY_EREG                 = 77010;
    const OPT_BY_PREG                 = 77011;
    const OPT_COMMENT                 = 77012;
    const OPT_ADD_COMMENT             = 77013;
    const OPT_PREPEND_COMMENT         = 77014;
    const OPT_EXTRACT_IN_OUTPUT       = 77015;
    const OPT_REPLACE_NEWER           = 77016;
    const OPT_STOP_ON_ERROR           = 77017;
//    Having big trouble with crypt. Need to multiply 2 long int
//    which is not correctly supported by PHP ...
//    const OPT_CRYPT', 77018 );
    const OPT_EXTRACT_DIR_RESTRICTION = 77019;
    const OPT_TEMP_FILE_THRESHOLD     = 77020;
    const OPT_ADD_TEMP_FILE_THRESHOLD = 77020; // alias for OPT_TEMP_FILE_THRESHOLD
    const OPT_TEMP_FILE_ON            = 77021;
    const OPT_ADD_TEMP_FILE_ON        = 77021; // alias for OPT_TEMP_FILE_ON
    const OPT_TEMP_FILE_OFF           = 77022;
    const OPT_ADD_TEMP_FILE_OFF       = 77022; // alias for OPT_TEMP_FILE_OFF
// File description attributes -----------------------------------------------------
    const ATT_FILE_NAME               = 79001;
    const ATT_FILE_NEW_SHORT_NAME     = 79002;
    const ATT_FILE_NEW_FULL_NAME      = 79003;
    const ATT_FILE_MTIME              = 79004;
    const ATT_FILE_CONTENT            = 79005;
    const ATT_FILE_COMMENT            = 79006;
// Call backs values ---------------------------------------------------------------
    const CB_PRE_EXTRACT              = 78001;
    const CB_POST_EXTRACT             = 78002;
    const CB_PRE_ADD                  = 78003;
    const CB_POST_ADD                 = 78004;
// For futur use -------------------------------------------------------------------
//    const CB_PRE_LIST    = 78005;
//    const CB_POST_LIST   = 78006;
//    const CB_PRE_DELETE  = 78007;
//    const CB_POST_DELETE = 78008;

/** @var string  Filename of the zip file */
    protected $zipname      = '';

/** @var integer  File descriptor of the zip file */
    protected $zip_fd       = 0;

/** @var integer  Internal error handling */
    protected $error_code   = 1;

/** @var string  Internal error message */
    protected $error_string = '';

/**
 *  @var integer  Current status of the magic_quotes_runtime
 *  @description  This value store the php configuration for magic_quotes
 *                  The class can then disable the magic_quotes and reset it after
 */
    protected $magic_quotes_status = -1;

  // --------------------------------------------------------------------------------
  // Function : PclZip()
  // Description :
  //   Creates a PclZip object and set the name of the associated Zip archive
  //   filename.
  //   Note that no real action is taken, if the archive does not exist it is not
  //   created. Use create() for that.
  // --------------------------------------------------------------------------------
    public function __construct($p_zipname)
    {
        // Set the attributes
        $this->zipname             = $p_zipname;
        $this->zip_fd              = 0;
        $this->magic_quotes_status = -1;

    }

  // --------------------------------------------------------------------------------
  // Function :
  //   create($p_filelist, $p_add_dir="", $p_remove_dir="")
  //   create($p_filelist, $p_option, $p_option_value, ...)
  // Description :
  //   This method supports two different synopsis. The first one is historical.
  //   This method creates a Zip Archive. The Zip file is created in the
  //   filesystem. The files and directories indicated in $p_filelist
  //   are added in the archive. See the parameters description for the
  //   supported format of $p_filelist.
  //   When a directory is in the list, the directory and its content is added
  //   in the archive.
  //   In this synopsis, the function takes an optional variable list of
  //   options. See bellow the supported options.
  // Parameters :
  //   $p_filelist : An array containing file or directory names, or
  //                 a string containing one filename or one directory name, or
  //                 a string containing a list of filenames and/or directory
  //                 names separated by spaces.
  //   $p_add_dir : A path to add before the real path of the archived file,
  //                in order to have it memorized in the archive.
  //   $p_remove_dir : A path to remove from the real path of the file to archive,
  //                   in order to have a shorter path memorized in the archive.
  //                   When $p_add_dir and $p_remove_dir are set, $p_remove_dir
  //                   is removed first, before $p_add_dir is added.
  // Options :
  //   OPT_ADD_PATH :
  //   OPT_REMOVE_PATH :
  //   OPT_REMOVE_ALL_PATH :
  //   OPT_COMMENT :
  //   CB_PRE_ADD :
  //   CB_POST_ADD :
  // Return Values :
  //   0 on failure,
  //   The list of the added files, with a status of the add action.
  //   (see PclZip::listContent() for list entry format)
  // --------------------------------------------------------------------------------
    public function create($p_filelist)
    {
        $v_result=1;
        // Reset the error handler
        $this->privErrorReset();
        // Set default values
        $v_options = array();
        $v_options[self::OPT_NO_COMPRESSION] = false;
        // Look for variable options arguments
        $v_size = func_num_args();
        // Look for arguments
        if ($v_size > 1) {
            // Get the arguments
            $v_arg_list = func_get_args();
            // Remove from the options list the first argument
            array_shift($v_arg_list);
            $v_size--;
            // Look for first arg
            if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
                // Parse the options
                $v_result = $this->privParseOptions(
                    $v_arg_list,
                    $v_size,
                    $v_options,
                    array (
                        self::OPT_REMOVE_PATH => 'optional',
                        self::OPT_REMOVE_ALL_PATH => 'optional',
                        self::OPT_ADD_PATH => 'optional',
                        self::CB_PRE_ADD => 'optional',
                        self::CB_POST_ADD => 'optional',
                        self::OPT_NO_COMPRESSION => 'optional',
                        self::OPT_COMMENT => 'optional',
                        self::OPT_TEMP_FILE_THRESHOLD => 'optional',
                        self::OPT_TEMP_FILE_ON => 'optional',
                        // self::OPT_CRYPT => 'optional',
                        self::OPT_TEMP_FILE_OFF => 'optional'
                    )
                );
                if ($v_result != 1) {
                    return 0;
                }
            } else {
            // Look for 2 args
            // Here we need to support the first historic synopsis of the
            // method.
                // Get the first argument
                $v_options[self::OPT_ADD_PATH] = $v_arg_list[0];
                // Look for the optional second argument
                if ($v_size == 2) {
                    $v_options[self::OPT_REMOVE_PATH] = $v_arg_list[1];
                } else if ($v_size > 2) {
                    $this->privErrorLog(
                        self::ERR_INVALID_PARAMETER,
                        "Invalid number / type of arguments"
                    );
                    return 0;
                }
            }
        }
        // Look for default option values
        $this->privOptionDefaultThreshold($v_options);
        // Init
        $v_string_list    = array();
        $v_att_list       = array();
        $v_filedescr_list = array();
        $p_result_list    = array();
        // Look if the $p_filelist is really an array
        if (is_array($p_filelist)) {
            // Look if the first element is also an array
            // This will mean that this is a file description entry
            if (isset($p_filelist[0]) && is_array($p_filelist[0])) {
                $v_att_list = $p_filelist;
            } else {
                // The list is a list of string names
                $v_string_list = $p_filelist;
            }
        } else if (is_string($p_filelist)) {
            // Look if the $p_filelist is a string
            // Create a list from the string
            $v_string_list = explode(self::SEPARATOR, $p_filelist);
        } else {
            // Invalid variable type for $p_filelist
            $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid variable type p_filelist");
            return 0;
        }
        // Reformat the string list
        if (sizeof($v_string_list) != 0) {
            foreach ($v_string_list as $v_string) {
                if ($v_string != '') {
                  $v_att_list[][self::ATT_FILE_NAME] = $v_string;
                } else { }
            }
        }
        // For each file in the list check the attributes
        $v_supported_attributes = array (
            self::ATT_FILE_NAME           => 'mandatory',
            self::ATT_FILE_NEW_SHORT_NAME => 'optional',
            self::ATT_FILE_NEW_FULL_NAME  => 'optional',
            self::ATT_FILE_MTIME          => 'optional',
            self::ATT_FILE_CONTENT        => 'optional',
            self::ATT_FILE_COMMENT        => 'optional',
        );
        foreach ($v_att_list as $v_entry) {
            $v_result = $this->privFileDescrParseAtt(
                $v_entry,
                $v_filedescr_list[],
                $v_options,
                $v_supported_attributes
            );
            if ($v_result != 1) {
                return 0;
            }
        }
        // Expand the filelist (expand directories)
        $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options);
        if ($v_result != 1) {
            return 0;
        }
        // Call the create fct
        $v_result = $this->privCreate($v_filedescr_list, $p_result_list, $v_options);
        if ($v_result != 1) {
            return 0;
        }
        return $p_result_list;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function :
  //   add($p_filelist, $p_add_dir="", $p_remove_dir="")
  //   add($p_filelist, $p_option, $p_option_value, ...)
  // Description :
  //   This method supports two synopsis. The first one is historical.
  //   This methods add the list of files in an existing archive.
  //   If a file with the same name already exists, it is added at the end of the
  //   archive, the first one is still present.
  //   If the archive does not exist, it is created.
  // Parameters :
  //   $p_filelist : An array containing file or directory names, or
  //                 a string containing one filename or one directory name, or
  //                 a string containing a list of filenames and/or directory
  //                 names separated by spaces.
  //   $p_add_dir : A path to add before the real path of the archived file,
  //                in order to have it memorized in the archive.
  //   $p_remove_dir : A path to remove from the real path of the file to archive,
  //                   in order to have a shorter path memorized in the archive.
  //                   When $p_add_dir and $p_remove_dir are set, $p_remove_dir
  //                   is removed first, before $p_add_dir is added.
  // Options :
  //   self::OPT_ADD_PATH :
  //   self::OPT_REMOVE_PATH :
  //   self::OPT_REMOVE_ALL_PATH :
  //   self::OPT_COMMENT :
  //   self::OPT_ADD_COMMENT :
  //   self::OPT_PREPEND_COMMENT :
  //   self::CB_PRE_ADD :
  //   self::CB_POST_ADD :
  // Return Values :
  //   0 on failure,
  //   The list of the added files, with a status of the add action.
  //   (see self::listContent() for list entry format)
  // --------------------------------------------------------------------------------
    public function add($p_filelist)
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Set default values
        $v_options = array();
        $v_options[self::OPT_NO_COMPRESSION] = false;
        // Look for variable options arguments
        $v_size = func_num_args();
        // Look for arguments
        if ($v_size > 1) {
            // Get the arguments
            $v_arg_list = func_get_args();
            // Remove form the options list the first argument
            array_shift($v_arg_list);
            $v_size--;
            // Look for first arg
            if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
                // Parse the options
                $v_result = $this->privParseOptions(
                    $v_arg_list,
                    $v_size,
                    $v_options,
                    array (
                        self::OPT_REMOVE_PATH         => 'optional',
                        self::OPT_REMOVE_ALL_PATH     => 'optional',
                        self::OPT_ADD_PATH            => 'optional',
                        self::CB_PRE_ADD              => 'optional',
                        self::CB_POST_ADD             => 'optional',
                        self::OPT_NO_COMPRESSION      => 'optional',
                        self::OPT_COMMENT             => 'optional',
                        self::OPT_ADD_COMMENT         => 'optional',
                        self::OPT_PREPEND_COMMENT     => 'optional',
                        self::OPT_TEMP_FILE_THRESHOLD => 'optional',
                        self::OPT_TEMP_FILE_ON        => 'optional',
                        //self::OPT_CRYPT               => 'optional',
                        self::OPT_TEMP_FILE_OFF       => 'optional'
                    )
                );
                if ($v_result != 1) {
                    return 0;
                }
            } else {
                // Look for 2 args
                // Here we need to support the first historic synopsis of the
                // method.
                // Get the first argument
                $v_options[self::OPT_ADD_PATH] = $v_add_path = $v_arg_list[0];
                // Look for the optional second argument
                if ($v_size == 2) {
                    $v_options[self::OPT_REMOVE_PATH] = $v_arg_list[1];
                } else if ($v_size > 2) {
                    // Error log
                    $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        // Look for default option values
        $this->privOptionDefaultThreshold($v_options);
        // Init
        $v_string_list = array();
        $v_att_list = array();
        $v_filedescr_list = array();
        $p_result_list = array();
        // Look if the $p_filelist is really an array
        if (is_array($p_filelist)) {
            // Look if the first element is also an array
            // This will mean that this is a file description entry
            if (isset($p_filelist[0]) && is_array($p_filelist[0])) {
                $v_att_list = $p_filelist;
            } else {
                // The list is a list of string names
                $v_string_list = $p_filelist;
            }
        } else if (is_string($p_filelist)) {
            // Look if the $p_filelist is a string
            // Create a list from the string
            $v_string_list = explode(self::SEPARATOR, $p_filelist);
        } else {
        // Invalid variable type for $p_filelist
            $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid variable type '".gettype($p_filelist)."' for p_filelist");
            return 0;
        }
        // Reformat the string list
        if (sizeof($v_string_list) != 0) {
            foreach ($v_string_list as $v_string) {
                $v_att_list[][self::ATT_FILE_NAME] = $v_string;
            }
        }
        // For each file in the list check the attributes
        $v_supported_attributes = array(
            self::ATT_FILE_NAME           => 'mandatory',
            self::ATT_FILE_NEW_SHORT_NAME => 'optional',
            self::ATT_FILE_NEW_FULL_NAME  => 'optional',
            self::ATT_FILE_MTIME          => 'optional',
            self::ATT_FILE_CONTENT        => 'optional',
            self::ATT_FILE_COMMENT        => 'optional'
        );
        foreach ($v_att_list as $v_entry) {
            $v_result = $this->privFileDescrParseAtt(
                $v_entry,
                $v_filedescr_list[],
                $v_options,
                $v_supported_attributes
            );
            if ($v_result != 1) {
                return 0;
            }
        }
        // Expand the filelist (expand directories)
        $v_result = $this->privFileDescrExpand($v_filedescr_list, $v_options);
        if ($v_result != 1) {
            return 0;
        }
        // Call the create fct
        $v_result = $this->privAdd($v_filedescr_list, $p_result_list, $v_options);
        if ($v_result != 1) {
            return 0;
        }
        return $p_result_list;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : listContent()
  // Description :
  //   This public method, gives the list of the files and directories, with their
  //   properties.
  //   The properties of each entries in the list are (used also in other functions) :
  //     filename : Name of the file. For a create or add action it is the filename
  //                given by the user. For an extract function it is the filename
  //                of the extracted file.
  //     stored_filename : Name of the file / directory stored in the archive.
  //     size : Size of the stored file.
  //     compressed_size : Size of the file's data compressed in the archive
  //                       (without the headers overhead)
  //     mtime : Last known modification date of the file (UNIX timestamp)
  //     comment : Comment associated with the file
  //     folder : true | false
  //     index : index of the file in the archive
  //     status : status of the action (depending of the action) :
  //              Values are :
  //                ok : OK !
  //                filtered : the file / dir is not extracted (filtered by user)
  //                already_a_directory : the file can not be extracted because a
  //                                      directory with the same name already exists
  //                write_protected : the file can not be extracted because a file
  //                                  with the same name already exists and is
  //                                  write protected
  //                newer_exist : the file was not extracted because a newer file exists
  //                path_creation_fail : the file is not extracted because the folder
  //                                     does not exist and can not be created
  //                write_error : the file was not extracted because there was a
  //                              error while writing the file
  //                read_error : the file was not extracted because there was a error
  //                             while reading the file
  //                invalid_header : the file was not extracted because of an archive
  //                                 format error (bad file header)
  //   Note that each time a method can continue operating when there
  //   is an action error on a file, the error is only logged in the file status.
  // Return Values :
  //   0 on an unrecoverable failure,
  //   The list of the files in the archive.
  // --------------------------------------------------------------------------------
    public function listContent()
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Check archive
        if (!$this->privCheckFormat()) {
            return(0);
        }
        // Call the extracting fct
        $p_list = array();
        if (($v_result = $this->privList($p_list)) != 1) {
            unset($p_list);
            return(0);
        }
        return $p_list;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function :
  //   extract($p_path="./", $p_remove_path="")
  //   extract([$p_option, $p_option_value, ...])
  // Description :
  //   This method supports two synopsis. The first one is historical.
  //   This method extract all the files / directories from the archive to the
  //   folder indicated in $p_path.
  //   If you want to ignore the 'root' part of path of the memorized files
  //   you can indicate this in the optional $p_remove_path parameter.
  //   By default, if a newer file with the same name already exists, the
  //   file is not extracted.
  //
  //   If both PCLZIP_OPT_PATH and PCLZIP_OPT_ADD_PATH aoptions
  //   are used, the path indicated in PCLZIP_OPT_ADD_PATH is append
  //   at the end of the path value of PCLZIP_OPT_PATH.
  // Parameters :
  //   $p_path : Path where the files and directories are to be extracted
  //   $p_remove_path : First part ('root' part) of the memorized path
  //                    (if any similar) to remove while extracting.
  // Options :
  //   PCLZIP_OPT_PATH :
  //   PCLZIP_OPT_ADD_PATH :
  //   PCLZIP_OPT_REMOVE_PATH :
  //   PCLZIP_OPT_REMOVE_ALL_PATH :
  //   PCLZIP_CB_PRE_EXTRACT :
  //   PCLZIP_CB_POST_EXTRACT :
  // Return Values :
  //   0 or a negative value on failure,
  //   The list of the extracted files, with a status of the action.
  //   (see PclZip::listContent() for list entry format)
  // --------------------------------------------------------------------------------
    public function extract()
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Check archive
        if (!$this->privCheckFormat()) {
            return(0);
        }
        // Set default values
        $v_options         = array();
        $v_path            = '';
        $v_remove_path     = "";
        $v_remove_all_path = false;
        // Look for variable options arguments
        $v_size = func_num_args();
        // Default values for option
        $v_options[self::OPT_EXTRACT_AS_STRING] = false;
        // Look for arguments
        if ($v_size > 0) {
            // Get the arguments
            $v_arg_list = func_get_args();
            // Look for first arg
            if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
                // Parse the options
                $v_result = $this->privParseOptions(
                    $v_arg_list,
                    $v_size,
                    $v_options,
                    array (
                        self::OPT_PATH                    => 'optional',
                        self::OPT_REMOVE_PATH             => 'optional',
                        self::OPT_REMOVE_ALL_PATH         => 'optional',
                        self::OPT_ADD_PATH                => 'optional',
                        self::CB_PRE_EXTRACT              => 'optional',
                        self::CB_POST_EXTRACT             => 'optional',
                        self::OPT_SET_CHMOD               => 'optional',
                        self::OPT_BY_NAME                 => 'optional',
                        self::OPT_BY_EREG                 => 'optional',
                        self::OPT_BY_PREG                 => 'optional',
                        self::OPT_BY_INDEX                => 'optional',
                        self::OPT_EXTRACT_AS_STRING       => 'optional',
                        self::OPT_EXTRACT_IN_OUTPUT       => 'optional',
                        self::OPT_REPLACE_NEWER           => 'optional',
                        self::OPT_STOP_ON_ERROR           => 'optional',
                        self::OPT_EXTRACT_DIR_RESTRICTION => 'optional',
                        self::OPT_TEMP_FILE_THRESHOLD     => 'optional',
                        self::OPT_TEMP_FILE_ON            => 'optional',
                        self::OPT_TEMP_FILE_OFF           => 'optional'
                    )
                );
                if ($v_result != 1) {
                    return 0;
                }
                // Set the arguments
                if (isset($v_options[self::OPT_PATH])) {
                    $v_path = $v_options[self::OPT_PATH];
                }
                if (isset($v_options[self::OPT_REMOVE_PATH])) {
                    $v_remove_path = $v_options[self::OPT_REMOVE_PATH];
                }
                if (isset($v_options[self::OPT_REMOVE_ALL_PATH])) {
                    $v_remove_all_path = $v_options[self::OPT_REMOVE_ALL_PATH];
                }
                if (isset($v_options[self::OPT_ADD_PATH])) {
                    // Check for '/' in last path char
                    if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
                        $v_path .= '/';
                    }
                    $v_path .= $v_options[self::OPT_ADD_PATH];
                }
            } else {
                // Look for 2 args
                // Here we need to support the first historic synopsis of the
                // method.
                // Get the first argument
                $v_path = $v_arg_list[0];
                // Look for the optional second argument
                if ($v_size == 2) {
                    $v_remove_path = $v_arg_list[1];
                } else if ($v_size > 2) {
                    // Error log
                    $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        // Look for default option values
        $this->privOptionDefaultThreshold($v_options);
        // Trace
        // Call the extracting fct
        $p_list = array();
        $v_result = $this->privExtractByRule(
            $p_list,
            $v_path,
            $v_remove_path,
            $v_remove_all_path,
            $v_options
        );
        if ($v_result < 1) {
            unset($p_list);
            return(0);
        }
        return $p_list;
    }
  // --------------------------------------------------------------------------------


  // --------------------------------------------------------------------------------
  // Function :
  //   extractByIndex($p_index, $p_path="./", $p_remove_path="")
  //   extractByIndex($p_index, [$p_option, $p_option_value, ...])
  // Description :
  //   This method supports two synopsis. The first one is historical.
  //   This method is doing a partial extract of the archive.
  //   The extracted files or folders are identified by their index in the
  //   archive (from 0 to n).
  //   Note that if the index identify a folder, only the folder entry is
  //   extracted, not all the files included in the archive.
  // Parameters :
  //   $p_index : A single index (integer) or a string of indexes of files to
  //              extract. The form of the string is "0,4-6,8-12" with only numbers
  //              and '-' for range or ',' to separate ranges. No spaces or ';'
  //              are allowed.
  //   $p_path : Path where the files and directories are to be extracted
  //   $p_remove_path : First part ('root' part) of the memorized path
  //                    (if any similar) to remove while extracting.
  // Options :
  //   OPT_PATH :
  //   OPT_ADD_PATH :
  //   OPT_REMOVE_PATH :
  //   OPT_REMOVE_ALL_PATH :
  //   OPT_EXTRACT_AS_STRING : The files are extracted as strings and
  //     not as files.
  //     The resulting content is in a new field 'content' in the file
  //     structure.
  //     This option must be used alone (any other options are ignored).
  //   CB_PRE_EXTRACT :
  //   CB_POST_EXTRACT :
  // Return Values :
  //   0 on failure,
  //   The list of the extracted files, with a status of the action.
  //   (see PclZip::listContent() for list entry format)
  // --------------------------------------------------------------------------------
  //function extractByIndex($p_index, options...)
    public function extractByIndex($p_index)
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Check archive
        if (!$this->privCheckFormat()) {
            return(0);
        }
        // Set default values
        $v_options         = array();
        $v_path            = '';
        $v_remove_path     = "";
        $v_remove_all_path = false;
        // Look for variable options arguments
        $v_size = func_num_args();
        // Default values for option
        $v_options[self::OPT_EXTRACT_AS_STRING] = false;
        // Look for arguments
        if ($v_size > 1) {
            // Get the arguments
            $v_arg_list = func_get_args();
            // Remove form the options list the first argument
            array_shift($v_arg_list);
            $v_size--;
            // Look for first arg
            if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {
                // Parse the options
                $v_result = $this->privParseOptions(
                    $v_arg_list,
                    $v_size,
                    $v_options,
                    array(
                        self::OPT_PATH                    => 'optional',
                        self::OPT_REMOVE_PATH             => 'optional',
                        self::OPT_REMOVE_ALL_PATH         => 'optional',
                        self::OPT_EXTRACT_AS_STRING       => 'optional',
                        self::OPT_ADD_PATH                => 'optional',
                        self::CB_PRE_EXTRACT              => 'optional',
                        self::CB_POST_EXTRACT             => 'optional',
                        self::OPT_SET_CHMOD               => 'optional',
                        self::OPT_REPLACE_NEWER           => 'optional',
                        self::OPT_STOP_ON_ERROR           => 'optional',
                        self::OPT_EXTRACT_DIR_RESTRICTION => 'optional',
                        self::OPT_TEMP_FILE_THRESHOLD     => 'optional',
                        self::OPT_TEMP_FILE_ON            => 'optional',
                        self::OPT_TEMP_FILE_OFF           => 'optional'
                    )
                );
                if ($v_result != 1) {
                    return 0;
                }
                // Set the arguments
                if (isset($v_options[self::OPT_PATH])) {
                    $v_path = $v_options[self::OPT_PATH];
                }
                if (isset($v_options[self::OPT_REMOVE_PATH])) {
                    $v_remove_path = $v_options[self::OPT_REMOVE_PATH];
                }
                if (isset($v_options[self::OPT_REMOVE_ALL_PATH])) {
                    $v_remove_all_path = $v_options[self::OPT_REMOVE_ALL_PATH];
                }
                if (isset($v_options[self::OPT_ADD_PATH])) {
                    // Check for '/' in last path char
                    if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
                        $v_path .= '/';
                    }
                    $v_path .= $v_options[self::OPT_ADD_PATH];
                }
                if (!isset($v_options[self::OPT_EXTRACT_AS_STRING])) {
                    $v_options[self::OPT_EXTRACT_AS_STRING] = FALSE;
                } else { }
            } else {
                // Look for 2 args
                // Here we need to support the first historic synopsis of the
                // method.
                // Get the first argument
                $v_path = $v_arg_list[0];
                // Look for the optional second argument
                if ($v_size == 2) {
                    $v_remove_path = $v_arg_list[1];
                } else if ($v_size > 2) {
                    // Error log
                    $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
                    return 0;
                }
            }
        }
        // Trace - Trick
        // Here I want to reuse extractByRule(), so I need to parse the $p_index with privParseOptions()
        $v_arg_trick = array (self::OPT_BY_INDEX, $p_index);
        $v_options_trick = array();
        $v_result = $this->privParseOptions(
            $v_arg_trick,
            sizeof($v_arg_trick),
            $v_options_trick,
            array(self::OPT_BY_INDEX => 'optional' )
        );
        if ($v_result != 1) {
            return 0;
        }
        $v_options[self::OPT_BY_INDEX] = $v_options_trick[self::OPT_BY_INDEX];
        // Look for default option values
        $this->privOptionDefaultThreshold($v_options);
        // Call the extracting fct
        $p_list = 0;
        if (($v_result = $this->privExtractByRule(
                $p_list,
                $v_path,
                $v_remove_path,
                $v_remove_all_path,
                $v_options
            )) < 1
        ) { return(0); }
        return $p_list;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function :
  //   delete([$p_option, $p_option_value, ...])
  // Description :
  //   This method removes files from the archive.
  //   If no parameters are given, then all the archive is emptied.
  // Parameters :
  //   None or optional arguments.
  // Options :
  //   PCLZIP_OPT_BY_INDEX :
  //   PCLZIP_OPT_BY_NAME :
  //   PCLZIP_OPT_BY_EREG :
  //   PCLZIP_OPT_BY_PREG :
  // Return Values :
  //   0 on failure,
  //   The list of the files which are still present in the archive.
  //   (see PclZip::listContent() for list entry format)
  // --------------------------------------------------------------------------------
    public function delete()
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Check archive
        if (!$this->privCheckFormat()) {
            return(0);
        }
        // Set default values
        $v_options = array();
        // Look for variable options arguments
        $v_size = func_num_args();
        // Look for arguments
        if ($v_size > 0) {
            // Get the arguments
            $v_arg_list = func_get_args();
            // Parse the options
            $v_result = $this->privParseOptions(
                $v_arg_list,
                $v_size,
                $v_options,
                array(
                    self::OPT_BY_NAME  => 'optional',
                    self::OPT_BY_EREG  => 'optional',
                    self::OPT_BY_PREG  => 'optional',
                    self::OPT_BY_INDEX => 'optional'
                )
            );
            if ($v_result != 1) {
                return 0;
            }
        }
        // Magic quotes trick
        $this->privDisableMagicQuotes();
        // Call the delete fct
        $v_list = array();
        if (($v_result = $this->privDeleteByRule($v_list, $v_options)) != 1) {
            $this->privSwapBackMagicQuotes();
            unset($v_list);
            return(0);
        }
        // Magic quotes trick
        $this->privSwapBackMagicQuotes();
        return $v_list;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : deleteByIndex()
  // Description :
  //   ***** Deprecated *****
  //   delete(PCLZIP_OPT_BY_INDEX, $p_index) should be prefered.
  // --------------------------------------------------------------------------------
    public function deleteByIndex($p_index)
    {
        $p_list = $this->delete(self::OPT_BY_INDEX, $p_index);
        return $p_list;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : properties()
  // Description :
  //   This method gives the properties of the archive.
  //   The properties are :
  //     nb : Number of files in the archive
  //     comment : Comment associated with the archive file
  //     status : not_exist, ok
  // Parameters :
  //   None
  // Return Values :
  //   0 on failure,
  //   An array with the archive properties.
  // --------------------------------------------------------------------------------
    public function properties()
    {
        // Reset the error handler
        $this->privErrorReset();
        // Magic quotes trick
        $this->privDisableMagicQuotes();
        // Check archive
        if (!$this->privCheckFormat()) {
            $this->privSwapBackMagicQuotes();
            return(0);
        }
        // Default properties
        $v_prop = array(
            'comment' => '',
            'nb'      => 0,
            'status'  => 'not_exist'
        );
        // Look if file exists
        if (@is_file($this->zipname)) {
            // Open the zip file
            if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0) {
                $this->privSwapBackMagicQuotes();
                // Error log
                $this->privErrorLog(self::ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in binary read mode');
                return 0;
            }
            // Read the central directory informations
            $v_central_dir = array();
            if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
                $this->privSwapBackMagicQuotes();
                return 0;
            }
            // Close the zip file
            $this->privCloseFd();
            // Set the user attributes
            $v_prop['comment'] = $v_central_dir['comment'];
            $v_prop['nb']      = $v_central_dir['entries'];
            $v_prop['status']  = 'ok';
        }
        // Magic quotes trick
        $this->privSwapBackMagicQuotes();
        return $v_prop;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : duplicate()
  // Description :
  //   This method creates an archive by copying the content of an other one. If
  //   the archive already exist, it is replaced by the new one without any warning.
  // Parameters :
  //   $p_archive : The filename of a valid archive, or
  //                a valid PclZip object.
  // Return Values :
  //   1 on success.
  //   0 or a negative value on error (error code).
  // --------------------------------------------------------------------------------
    public function duplicate($p_archive)
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Look if the $p_archive is a PclZip object
        if ((is_object($p_archive)) && (get_class($p_archive) == 'pclzip')) {
            // Duplicate the archive
            $v_result = $this->privDuplicate($p_archive->zipname);
        } else if (is_string($p_archive)) {
            // Look if the $p_archive is a string (so a filename)
            // Check that $p_archive is a valid zip file
            // TBC : Should also check the archive format
            if (!is_file($p_archive)) {
                // Error log
                $this->privErrorLog(self::ERR_MISSING_FILE, "No file with filename '".$p_archive."'");
                $v_result = self::ERR_MISSING_FILE;
            } else {
                // Duplicate the archive
                $v_result = $this->privDuplicate($p_archive);
            }
        } else {
            // Invalid variable
            // Error log
            $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
            $v_result = self::ERR_INVALID_PARAMETER;
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : merge()
  // Description :
  //   This method merge the $p_archive_to_add archive at the end of the current
  //   one ($this).
  //   If the archive ($this) does not exist, the merge becomes a duplicate.
  //   If the $p_archive_to_add archive does not exist, the merge is a success.
  // Parameters :
  //   $p_archive_to_add : It can be directly the filename of a valid zip archive,
  //                       or a PclZip object archive.
  // Return Values :
  //   1 on success,
  //   0 or negative values on error (see below).
  // --------------------------------------------------------------------------------
    public function merge($p_archive_to_add)
    {
        $v_result = 1;
        // Reset the error handler
        $this->privErrorReset();
        // Check archive
        if (!$this->privCheckFormat()) {
            return(0);
        }
        // Look if the $p_archive_to_add is a PclZip object
        if ((is_object($p_archive_to_add)) && (get_class($p_archive_to_add) == 'pclzip')) {
            // Merge the archive
            $v_result = $this->privMerge($p_archive_to_add);
        } else if (is_string($p_archive_to_add)) {
            // Look if the $p_archive_to_add is a string (so a filename)
            // Create a temporary archive
            $oClass = __CLASS__;
            $v_object_archive = new $oClass($p_archive_to_add);
            // Merge the archive
            $v_result = $this->privMerge($v_object_archive);
        } else {
            // Invalid variable
            // Error log
            $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
            $v_result = self::ERR_INVALID_PARAMETER;
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------


  // --------------------------------------------------------------------------------
  // Function : errorCode()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    public function errorCode()
    {
        if (self::ERROR_EXTERNAL == 1) {
            return(PclErrorCode());
        } else {
            return($this->error_code);
        }
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : errorName()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    public function errorName($p_with_code=false)
    {
        $aFullList = array_flip($this->getClassConstants());
        $sRetval = isset($aFullList[$this->error_code])
                   ? __CLASS__.'::'.$aFullList[$this->error_code]
                   : 'Unknown code';
        $sRetval .= $p_with_code ? ' ('.$this->error_code.')' : '';
        return $sRetval;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : errorInfo()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    public function errorInfo($p_full=false)
    {
        if (self::ERROR_EXTERNAL == 1) {
            return(PclErrorString());
        } else {
            if ($p_full) {
                return($this->errorName(true)." : ".$this->error_string);
            } else {
                return($this->error_string." [code ".$this->error_code."]");
            }
        }
    }
  // --------------------------------------------------------------------------------

// --------------------------------------------------------------------------------
// ***** UNDER THIS LINE ARE DEFINED PRIVATE INTERNAL FUNCTIONS *****
// *****                                                        *****
// *****       THESES FUNCTIONS MUST NOT BE USED DIRECTLY       *****
// --------------------------------------------------------------------------------


  // --------------------------------------------------------------------------------
  // Function : privCheckFormat()
  // Description :
  //   This method check that the archive exists and is a valid zip archive.
  //   Several level of check exists. (futur)
  // Parameters :
  //   $p_level : Level of check. Default 0.
  //              0 : Check the first bytes (magic codes) (default value))
  //              1 : 0 + Check the central directory (futur)
  //              2 : 1 + Check each file header (futur)
  // Return Values :
  //   true on success,
  //   false on error, the error code is set.
  // --------------------------------------------------------------------------------
    protected function privCheckFormat($p_level=0)
    {
        $v_result = true;
        // Reset the file system cache
        clearstatcache();
        // Reset the error handler
        $this->privErrorReset();
        // Look if the file exits
        if (!is_file($this->zipname)) {
            // Error log
            $this->privErrorLog(self::ERR_MISSING_FILE, "Missing archive file '".$this->zipname."'");
            return false;
        }
        // Check that the file is readeable
        if (!is_readable($this->zipname)) {
            // Error log
            $this->privErrorLog(self::ERR_READ_OPEN_FAIL, "Unable to read archive '".$this->zipname."'");
            return false;
        }
        // Check the magic code
        // TBC
        // Check the central header
        // TBC
        // Check each file header
        // TBC
        // Return
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privParseOptions()
  // Description :
  //   This internal methods reads the variable list of arguments ($p_options_list,
  //   $p_size) and generate an array with the options and values ($v_result_list).
  //   $v_requested_options contains the options that can be present and those that
  //   must be present.
  //   $v_requested_options is an array, with the option value as key, and 'optional',
  //   or 'mandatory' as value.
  // Parameters :
  //   See above.
  // Return Values :
  //   1 on success.
  //   0 on failure.
  // --------------------------------------------------------------------------------
    protected function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_requested_options=false)
    {
        $v_result=1;
        // Read the options
        $i=0;
        while ($i<$p_size) {
            // Check if the option is supported
            if (!isset($v_requested_options[$p_options_list[$i]])) {
                // Error log
                $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid optional parameter '".$p_options_list[$i]."' for this method");
                return PclZip::errorCode();
            }
            // Look for next option
            switch ($p_options_list[$i]) {
              // Look for options that request a path value
                case self::OPT_PATH :
                case self::OPT_REMOVE_PATH :
                case self::OPT_ADD_PATH :
                    // Check the number of parameters
                    if (($i+1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    $v_result_list[$p_options_list[$i]] = self::UtilTranslateWinPath($p_options_list[$i+1], false);
                    $i++;
                    break;
               case self::OPT_TEMP_FILE_THRESHOLD :
                    // Check the number of parameters
                    if (($i+1) >= $p_size) {
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Check for incompatible options
                    if (isset($v_result_list[self::OPT_TEMP_FILE_OFF])) {
                        $this->privErrorLog(
                            self::ERR_INVALID_PARAMETER,
                            'Option \''.self::UtilOptionText($p_options_list[$i]).
                            '\' can not be used with option \''.__CLASS__.'::OPT_TEMP_FILE_OFF\''
                        );
                        return self::errorCode();
                    }
                    // Check the value
                    $v_value = $p_options_list[$i+1];
                    if ((!is_integer($v_value)) || ($v_value<0)) {
                        $this->privErrorLog(
                            self::ERR_INVALID_OPTION_VALUE,
                            'Integer expected for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value (and convert it in bytes)
                    $v_result_list[$p_options_list[$i]] = $v_value*1048576;
                    $i++;
                    break;
                case self::OPT_TEMP_FILE_ON :
                    // Check for incompatible options
                    if (isset($v_result_list[self::OPT_TEMP_FILE_OFF])) {
                        $this->privErrorLog(
                            self::ERR_INVALID_PARAMETER,
                            'Option \''.self::UtilOptionText($p_options_list[$i]).
                            '\' can not be used with option \''.__CLASS__.'::OPT_TEMP_FILE_OFF\''
                        );
                        return self::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case self::OPT_TEMP_FILE_OFF :
                    // Check for incompatible options
                    if (isset($v_result_list[self::OPT_TEMP_FILE_ON])) {
                        $this->privErrorLog(
                            self::ERR_INVALID_PARAMETER,
                            'Option \''.self::UtilOptionText($p_options_list[$i]).
                            '\' can not be used with option \''.__CLASS__.'::OPT_TEMP_FILE_ON\''
                        );
                        return self::errorCode();
                    }
                    // Check for incompatible options
                    if (isset($v_result_list[self::OPT_TEMP_FILE_THRESHOLD])) {
                        $this->privErrorLog(
                            self::ERR_INVALID_PARAMETER,
                            'Option \''.self::UtilOptionText($p_options_list[$i]).
                            '\' can not be used with option \''.__CLASS__.'::OPT_TEMP_FILE_THRESHOLD\''
                        );
                        return self::errorCode();
                    }
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                case self::OPT_EXTRACT_DIR_RESTRICTION :
                    // Check the number of parameters
                    if (($i+1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return PclZip::errorCode();
                    }
                    // Get the value
                    if (is_string($p_options_list[$i + 1]) && ($p_options_list[$i + 1] != '')) {
                        $v_result_list[$p_options_list[$i]] = self::UtilTranslateWinPath($p_options_list[$i+1], false);
                        $i++;
                    } else { }
                    break;
                // Look for options that request an array of string for value
                case self::OPT_BY_NAME :
                    // Check the number of parameters
                    if (($i + 1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    if (is_string($p_options_list[$i + 1])) {
                        $v_result_list[$p_options_list[$i]][0] = $p_options_list[$i + 1];
                    } else if (is_array($p_options_list[$i + 1])) {
                        $v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
                    } else {
                    // Error log
                        $this->privErrorLog(
                            self::ERR_INVALID_OPTION_VALUE,
                            'Wrong parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    $i++;
                    break;
                // Look for options that request an EREG or PREG expression
                case self::OPT_BY_EREG :
                    // ereg() is deprecated starting with PHP 5.3. Move self::OPT_BY_EREG
                    // to self::OPT_BY_PREG
                    $p_options_list[$i] = self::OPT_BY_PREG;
                case self::OPT_BY_PREG :
                //case self::OPT_CRYPT :
                    // Check the number of parameters
                    if (($i + 1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    if (is_string($p_options_list[$i + 1])) {
                        $v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
                    } else {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_INVALID_OPTION_VALUE,
                            'Wrong parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    $i++;
                    break;
                // Look for options that takes a string
                case self::OPT_COMMENT :
                case self::OPT_ADD_COMMENT :
                case self::OPT_PREPEND_COMMENT :
                    // Check the number of parameters
                    if (($i + 1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    if (is_string($p_options_list[$i + 1])) {
                        $v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
                    } else {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_INVALID_OPTION_VALUE,
                            'Wrong parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    $i++;
                    break;
                // Look for options that request an array of index
                case self::OPT_BY_INDEX :
                    // Check the number of parameters
                    if (($i + 1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    $v_work_list = array();
                    if (is_string($p_options_list[$i + 1])) {
                        // Remove spaces
                        $p_options_list[$i + 1] = strtr($p_options_list[$i + 1], ' ', '');
                        // Parse items
                        $v_work_list = explode(',', $p_options_list[$i + 1]);
                    } else if (is_integer($p_options_list[$i + 1])) {
                        $v_work_list[0] = $p_options_list[$i + 1].'-'.$p_options_list[$i + 1];
                    } else if (is_array($p_options_list[$i + 1])) {
                        $v_work_list = $p_options_list[$i + 1];
                    } else {
                      // Error log
                        $this->privErrorLog(
                            self::ERR_INVALID_OPTION_VALUE,
                            'Value must be integer, string or array for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Reduce the index list
                    // each index item in the list must be a couple with a start and
                    // an end value : [0,3], [5-5], [8-10], ...
                    // Check the format of each item
                    $v_sort_flag=false;
                    $v_sort_value=0;
                    for ($j = 0; $j < sizeof($v_work_list); $j++) {
                        // Explode the item
                        $v_item_list = explode('-', $v_work_list[$j]);
                        $v_size_item_list = sizeof($v_item_list);
                        // TBC : Here we might check that each item is a
                        // real integer ...
                        // Look for single value
                        if ($v_size_item_list == 1) {
                            // Set the option value
                            $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
                            $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[0];
                        } elseif ($v_size_item_list == 2) {
                            // Set the option value
                            $v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
                            $v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[1];
                        } else {
                            // Error log
                            $this->privErrorLog(
                                self::ERR_INVALID_OPTION_VALUE,
                                'Too many values in index range for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                            );
                            return self::errorCode();
                        }
                        // Look for list sort
                        if ($v_result_list[$p_options_list[$i]][$j]['start'] < $v_sort_value) {
                            $v_sort_flag=true;
                            // TBC : An automatic sort should be writen ...
                            // Error log
                            $this->privErrorLog(
                                self::_ERR_INVALID_OPTION_VALUE,
                                'Invalid order of index range for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                            );
                            return self::errorCode();
                        }
                        $v_sort_value = $v_result_list[$p_options_list[$i]][$j]['start'];
                    }
                    // Sort the items
                    if ($v_sort_flag) { /* TBC : To Be Completed */ }
                    // Next option
                    $i++;
                    break;
                // Look for options that request no value
                case self::OPT_REMOVE_ALL_PATH :
                case self::OPT_EXTRACT_AS_STRING :
                case self::OPT_NO_COMPRESSION :
                case self::OPT_EXTRACT_IN_OUTPUT :
                case self::OPT_REPLACE_NEWER :
                case self::OPT_STOP_ON_ERROR :
                    $v_result_list[$p_options_list[$i]] = true;
                    break;
                // Look for options that request an octal value
                case self::OPT_SET_CHMOD :
                    // Check the number of parameters
                    if (($i + 1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    $v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
                    $i++;
                    break;
                // Look for options that request a call-back
                case self::CB_PRE_EXTRACT :
                case self::CB_POST_EXTRACT :
                case self::CB_PRE_ADD :
                case self::CB_POST_ADD :
                // for futur use
//                case self::CB_PRE_DELETE :
//                case self::CB_POST_DELETE :
//                case self::CB_PRE_LIST :
//                case self::CB_POST_LIST :
                  // Check the number of parameters
                    if (($i + 1) >= $p_size) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_MISSING_OPTION_VALUE,
                            'Missing parameter value for option \''.self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Get the value
                    $v_function_name = $p_options_list[$i + 1];
                    // Check that the value is a valid existing function
                    if (!function_exists($v_function_name)) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_INVALID_OPTION_VALUE,
                            'Function \''.$v_function_name.'()\' is not an existing function for option \''.
                            self::UtilOptionText($p_options_list[$i]).'\''
                        );
                        return self::errorCode();
                    }
                    // Set the attribute
                    $v_result_list[$p_options_list[$i]] = $v_function_name;
                    $i++;
                    break;
                default :
                    // Error log
                    $this->privErrorLog(
                        self::ERR_INVALID_PARAMETER,
                        'Unknown parameter \''.$p_options_list[$i].'\''
                    );
                    return self::errorCode();
            } // end of switch
            // Next options
            $i++;
        } // end of while
        // Look for mandatory options
        if ($v_requested_options !== false) {
            for ($key = reset($v_requested_options); $key = key($v_requested_options); $key = next($v_requested_options)) {
                // Look for mandatory option
                if ($v_requested_options[$key] == 'mandatory') {
                    // Look if present
                    if (!isset($v_result_list[$key])) {
                        // Error log
                        $this->privErrorLog(
                            self::ERR_INVALID_PARAMETER,
                            'Missing mandatory parameter \''.self::UtilOptionText($key).'('.$key.')'
                        );
                        return self::errorCode();
                    }
                }
            }
        }
        // Look for default values
        if (!isset($v_result_list[PCLZIP_OPT_TEMP_FILE_THRESHOLD])) { }
        return $v_result;
    }

  // --------------------------------------------------------------------------------
  // Function : privOptionDefaultThreshold()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privOptionDefaultThreshold(&$p_options)
    {
        $v_result=1;
        if (isset($p_options[self::OPT_TEMP_FILE_THRESHOLD]) || isset($p_options[self::OPT_TEMP_FILE_OFF])) {
            return $v_result;
        }
        // Get 'memory_limit' configuration value
//        $v_memory_limit = trim(ini_get('memory_limit'));
//        $last = strtolower(substr($v_memory_limit, -1));
        preg_match('/^([0-9]+)([a-z])$/', strtolower(trim(ini_get('memory_limit'))), $aMatch);
        $v_memory_limit = (int)$aMatch[1];
        switch ($aMatch[2]) {
            case 'g':
                $v_memory_limit *= 1024;
            case 'm':
                $v_memory_limit *= 1024;
            case 'k':
                $v_memory_limit *= 1024;
                break;
            default:
                break;
        }
        $p_options[self::OPT_TEMP_FILE_THRESHOLD] = floor($v_memory_limit * self::TEMPORARY_FILE_RATIO);
        // Sanity check : No threshold if value lower than 1M
        if ($p_options[self::OPT_TEMP_FILE_THRESHOLD] < 1048576) {
          unset($p_options[self::OPT_TEMP_FILE_THRESHOLD]);
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------
  // Function : privFileDescrParseAtt()
  // Description :
  // Parameters :
  // Return Values :
  //   1 on success.
  //   0 on failure.
  // --------------------------------------------------------------------------------
    protected function privFileDescrParseAtt(&$p_file_list, &$p_filedescr, $v_options, $v_requested_options=false)
    {
        $v_result = 1;
        // For each file in the list check the attributes
        foreach ($p_file_list as $v_key => $v_value) {
            // Check if the option is supported
            if (!isset($v_requested_options[$v_key])) {
                // Error log
                $this->privErrorLog(self::ERR_INVALID_PARAMETER, "Invalid file attribute '".$v_key."' for this file");
                // Return
                return self::errorCode();
            }
            // Look for attribute
            switch ($v_key) {
                case self::ATT_FILE_NAME :
                    if (!is_string($v_value)) {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE, 'Invalid type '.gettype($v_value).
                            '. String expected for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    $p_filedescr['filename'] = self::UtilPathReduction($v_value);
                    if ($p_filedescr['filename'] == '') {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE, 'Invalid empty filename for attribute \''.
                            self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    break;
                case self::ATT_FILE_NEW_SHORT_NAME :
                    if (!is_string($v_value)) {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE, 'Invalid type '.gettype($v_value).
                            '. String expected for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    $p_filedescr['new_short_name'] = self::UtilPathReduction($v_value);
                    if ($p_filedescr['new_short_name'] == '') {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE,
                            'Invalid empty short filename for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    break;
                case self::ATT_FILE_NEW_FULL_NAME :
                    if (!is_string($v_value)) {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE, 'Invalid type '.gettype($v_value).
                            '. String expected for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    $p_filedescr['new_full_name'] = self::UtilPathReduction($v_value);
                    if ($p_filedescr['new_full_name'] == '') {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE,
                            'Invalid empty full filename for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    break;
                // Look for options that takes a string
                case self::ATT_FILE_COMMENT :
                    if (!is_string($v_value)) {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE,
                            'Invalid type '.gettype($v_value).'. String expected for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    $p_filedescr['comment'] = $v_value;
                    break;
                case self::ATT_FILE_MTIME :
                    if (!is_integer($v_value)) {
                        $this->privErrorLog(
                            self::ERR_INVALID_ATTRIBUTE_VALUE,
                            'Invalid type '.gettype($v_value).'. Integer expected for attribute \''.self::UtilOptionText($v_key).'\''
                        );
                        return self::errorCode();
                    }
                    $p_filedescr['mtime'] = $v_value;
                    break;
                case self::ATT_FILE_CONTENT :
                    $p_filedescr['content'] = $v_value;
                    break;
                default :
                    // Error log
                    $this->privErrorLog(self::ERR_INVALID_PARAMETER, 'Unknown parameter \''.$v_key.'\'');
                    return self::errorCode();
            }
            // Look for mandatory options
            if ($v_requested_options !== false) {
                for ($key = reset($v_requested_options); $key = key($v_requested_options); $key = next($v_requested_options)) {
                    // Look for mandatory option
                    if ($v_requested_options[$key] == 'mandatory') {
                        // Look if present
                        if (!isset($p_file_list[$key])) {
                            $this->privErrorLog(
                                self::ERR_INVALID_PARAMETER,
                                'Missing mandatory parameter '.self::UtilOptionText($key).'('.$key.')'
                            );
                            return self::errorCode();
                        }
                    }
                }
            }
        } // end foreach
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privFileDescrExpand()
  // Description :
  //   This method look for each item of the list to see if its a file, a folder
  //   or a string to be added as file. For any other type of files (link, other)
  //   just ignore the item.
  //   Then prepare the information that will be stored for that file.
  //   When its a folder, expand the folder with all the files that are in that
  //   folder (recursively).
  // Parameters :
  // Return Values :
  //   1 on success.
  //   0 on failure.
  // --------------------------------------------------------------------------------
    protected function privFileDescrExpand(&$p_filedescr_list, &$p_options)
    {
        $v_result=1;
        // Create a result list
        $v_result_list = array();
        // Look each entry
        for ($i=0; $i<sizeof($p_filedescr_list); $i++) {
            // Get filedescr
            $v_descr = $p_filedescr_list[$i];
            // Reduce the filename
            $v_descr['filename'] = self::UtilTranslateWinPath($v_descr['filename'], false);
            $v_descr['filename'] = self::UtilPathReduction($v_descr['filename']);
            // Look for real file or folder
            if (file_exists($v_descr['filename'])) {
                if (@is_file($v_descr['filename'])) {
                    $v_descr['type'] = 'file';
                } else if (@is_dir($v_descr['filename'])) {
                    $v_descr['type'] = 'folder';
                } else if (@is_link($v_descr['filename'])) {
                    // skip
                    continue;
                } else {
                    // skip
                    continue;
                }
            } else if (isset($v_descr['content'])) {
                // Look for string added as file
                $v_descr['type'] = 'virtual_file';
            } else {
                // Missing file / Error log
                $sFilename = '/'.basename(dirname($v_descr['filename'])).'/'.basename($v_descr['filename']);
                $this->privErrorLog(self::ERR_MISSING_FILE, ' File \''.$sFilename.'\' does not exist');
                return PclZip::errorCode();
            }
            // Calculate the stored filename
            $this->privCalculateStoredFilename($v_descr, $p_options);
            // Add the descriptor in result list
            $v_result_list[sizeof($v_result_list)] = $v_descr;
            // Look for folder
            if ($v_descr['type'] == 'folder') {
                // List of items in folder
                $v_dirlist_descr = array();
                $v_dirlist_nb = 0;
                if (($v_folder_handler = @opendir($v_descr['filename']))) {
                    while (($v_item_handler = @readdir($v_folder_handler)) !== false) {
                        // Skip '.' and '..'
                        if (($v_item_handler == '.') || ($v_item_handler == '..')) {
                            continue;
                        }
                        // Compose the full filename
                        $v_dirlist_descr[$v_dirlist_nb]['filename'] = $v_descr['filename'].'/'.$v_item_handler;
                        // Look for different stored filename
                        // Because the name of the folder was changed, the name of the
                        // files/sub-folders also change
                        if (($v_descr['stored_filename'] != $v_descr['filename']) && (!isset($p_options[self::OPT_REMOVE_ALL_PATH]))) {
                            if ($v_descr['stored_filename'] != '') {
                                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_descr['stored_filename'].'/'.$v_item_handler;
                            } else {
                                $v_dirlist_descr[$v_dirlist_nb]['new_full_name'] = $v_item_handler;
                            }
                        }
                        $v_dirlist_nb++;
                    }
                    @closedir($v_folder_handler);
                } else { /* TBC : unable to open folder in read mode */ }
                // Expand each element of the list
                if ($v_dirlist_nb != 0) {
                    // Expand
                    if (($v_result = $this->privFileDescrExpand($v_dirlist_descr, $p_options)) != 1) {
                        return $v_result;
                    }
                    // Concat the resulting list
                    $v_result_list = array_merge($v_result_list, $v_dirlist_descr);
                } else { }
                // Free local array
                unset($v_dirlist_descr);
            }
        }
        // Get the result list
        $p_filedescr_list = $v_result_list;
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privCreate()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privCreate($p_filedescr_list, &$p_result_list, &$p_options)
    {
        $v_result=1;
        $v_list_detail = array();
        // Magic quotes trick
        $this->privDisableMagicQuotes();
        // Open the file in write mode
        if (($v_result = $this->privOpenFd('wb')) != 1) {
          return $v_result;
        }
        // Add the list of files
        $v_result = $this->privAddList($p_filedescr_list, $p_result_list, $p_options);
        // Close
        $this->privCloseFd();
        // Magic quotes trick
        $this->privSwapBackMagicQuotes();
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privAdd()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privAdd($p_filedescr_list, &$p_result_list, &$p_options)
    {
        $v_result = 1;
        $v_list_detail = array();
        // Look if the archive exists or is empty
        if ((!is_file($this->zipname)) || (filesize($this->zipname) == 0)) {
            // Do a create
            $v_result = $this->privCreate($p_filedescr_list, $p_result_list, $p_options);
            return $v_result;
        }
        // Magic quotes trick
        $this->privDisableMagicQuotes();
        // Open the zip file
        if (($v_result=$this->privOpenFd('rb')) != 1) {
            // Magic quotes trick
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Read the central directory informations
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Go to beginning of File
        @rewind($this->zip_fd);
        // Creates a temporay file
        $v_zip_temp_name = self::TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
        // Open the temporary file in write mode
        if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode'
            );
            return self::errorCode();
        }
        // Copy the files from the archive to the temporary file
        // TBC : Here I should better append the file and go back to erase the central dir
        $v_size = $v_central_dir['offset'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = fread($this->zip_fd, $v_read_size);
            @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Swap the file descriptor
        // Here is a trick : I swap the temporary fd with the zip fd, in order to use
        // the following methods on the temporary fil and not the real archive
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        // Add the files
        $v_header_list = array();
        if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1) {
            fclose($v_zip_temp_fd);
            $this->privCloseFd();
            @unlink($v_zip_temp_name);
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Store the offset of the central dir
        $v_offset = @ftell($this->zip_fd);
        // Copy the block of file headers from the old archive
        $v_size = $v_central_dir['size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @fread($v_zip_temp_fd, $v_read_size);
            @fwrite($this->zip_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Create the Central Dir files header
        for ($i = 0, $v_count = 0; $i < sizeof($v_header_list); $i++) {
            // Create the file header
            if ($v_header_list[$i]['status'] == 'ok') {
                if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
                    fclose($v_zip_temp_fd);
                    $this->privCloseFd();
                    @unlink($v_zip_temp_name);
                    $this->privSwapBackMagicQuotes();
                    return $v_result;
                }
                $v_count++;
            }
            // Transform the header to a 'usable' info
            $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
        }
        // Zip file comment
        $v_comment = $v_central_dir['comment'];
        if (isset($p_options[self::OPT_COMMENT])) {
            $v_comment = $p_options[self::OPT_COMMENT];
        }
        if (isset($p_options[self::OPT_ADD_COMMENT])) {
            $v_comment = $v_comment.$p_options[self::OPT_ADD_COMMENT];
        }
        if (isset($p_options[self::OPT_PREPEND_COMMENT])) {
            $v_comment = $p_options[self::OPT_PREPEND_COMMENT].$v_comment;
        }
        // Calculate the size of the central header
        $v_size = @ftell($this->zip_fd)-$v_offset;
        // Create the central dir footer
        if (($v_result = $this->privWriteCentralHeader($v_count+$v_central_dir['entries'], $v_size, $v_offset, $v_comment)) != 1) {
            // Reset the file list
            unset($v_header_list);
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Swap back the file descriptor
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        // Close
        $this->privCloseFd();
        // Close the temporary file
        @fclose($v_zip_temp_fd);
        // Magic quotes trick
        $this->privSwapBackMagicQuotes();
        // Delete the zip file
        // TBC : I should test the result ...
        @unlink($this->zipname);
        // Rename the temporary file
        // TBC : I should test the result ...
        // @rename($v_zip_temp_name, $this->zipname);
        self::UtilRename($v_zip_temp_name, $this->zipname);
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privOpenFd()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    protected function privOpenFd($p_mode)
    {
        $v_result = 1;
        // Look if already open
        if ($this->zip_fd != 0) {
          // Error log
            $this->privErrorLog(self::ERR_READ_OPEN_FAIL, 'Zip file \''.$this->zipname.'\' already open');
            return self::errorCode();
        }
        // Open the zip file
        if (($this->zip_fd = @fopen($this->zipname, $p_mode)) == 0) {
            // Error log
            $this->privErrorLog(self::ERR_READ_OPEN_FAIL, 'Unable to open archive \''.$this->zipname.'\' in '.$p_mode.' mode');
            return self::errorCode();
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privCloseFd()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    protected function privCloseFd()
    {
        $v_result=1;
        if ($this->zip_fd != 0) {
            @fclose($this->zip_fd);
        }
        $this->zip_fd = 0;
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privAddList()
  // Description :
  //   $p_add_dir and $p_remove_dir will give the ability to memorize a path which is
  //   different from the real path of the file. This is usefull if you want to have PclTar
  //   running in any directory, and memorize relative path from an other directory.
  // Parameters :
  //   $p_list : An array containing the file or directory names to add in the tar
  //   $p_result_list : list of added files with their properties (specially the status field)
  //   $p_add_dir : Path to add in the filename path archived
  //   $p_remove_dir : Path to remove in the filename path archived
  // Return Values :
  // --------------------------------------------------------------------------------
//  public function privAddList($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options)
    protected function privAddList($p_filedescr_list, &$p_result_list, &$p_options)
    {
        $v_result = 1;
        // Add the files
        $v_header_list = array();
        if (($v_result = $this->privAddFileList($p_filedescr_list, $v_header_list, $p_options)) != 1) {
            return $v_result;
        }
        // Store the offset of the central dir
        $v_offset = @ftell($this->zip_fd);
        // Create the Central Dir files header
        for ($i=0,$v_count=0; $i<sizeof($v_header_list); $i++) {
            // Create the file header
            if ($v_header_list[$i]['status'] == 'ok') {
                if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
                    return $v_result;
                }
                $v_count++;
            }
            // Transform the header to a 'usable' info
            $this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
        }
        // Zip file comment
        $v_comment = '';
        if (isset($p_options[self::OPT_COMMENT])) {
            $v_comment = $p_options[self::OPT_COMMENT];
        }
        // Calculate the size of the central header
        $v_size = @ftell($this->zip_fd)-$v_offset;
        // Create the central dir footer
        if (($v_result = $this->privWriteCentralHeader($v_count, $v_size, $v_offset, $v_comment)) != 1) {
            // Reset the file list
            unset($v_header_list);
            return $v_result;
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privAddFileList()
  // Description :
  // Parameters :
  //   $p_filedescr_list : An array containing the file description
  //                      or directory names to add in the zip
  //   $p_result_list : list of added files with their properties (specially the status field)
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privAddFileList($p_filedescr_list, &$p_result_list, &$p_options)
    {
        $v_result = 1;
        $v_header = array();
        // Recuperate the current number of elt in list
        $v_nb = sizeof($p_result_list);
        // Loop on the files
        for ($j=0; ($j<sizeof($p_filedescr_list)) && ($v_result==1); $j++) {
            // Format the filename
            $p_filedescr_list[$j]['filename'] = self::UtilTranslateWinPath($p_filedescr_list[$j]['filename'], false);
            // Skip empty file names
            // TBC : Can this be possible ? not checked in DescrParseAtt ?
            if ($p_filedescr_list[$j]['filename'] == "") {
                continue;
            }
            // Check the filename
            if (
                ($p_filedescr_list[$j]['type'] != 'virtual_file') &&
                (!file_exists($p_filedescr_list[$j]['filename'])))
            {
                $this->privErrorLog(self::ERR_MISSING_FILE, ' File \''.$p_filedescr_list[$j]['filename'].'\' does not exist');
                return self::errorCode();
            }
            // Look if it is a file or a dir with no all path remove option
            // or a dir with all its path removed
            //      if (   (is_file($p_filedescr_list[$j]['filename']))
            //          || (   is_dir($p_filedescr_list[$j]['filename'])
            if (
                ($p_filedescr_list[$j]['type'] == 'file') ||
                ($p_filedescr_list[$j]['type'] == 'virtual_file') ||
                (
                    ($p_filedescr_list[$j]['type'] == 'folder') &&
                    (!isset($p_options[self::OPT_REMOVE_ALL_PATH]) ||
                    !$p_options[self::OPT_REMOVE_ALL_PATH])
                )
            ) {
                // Add the file
                $v_result = $this->privAddFile($p_filedescr_list[$j], $v_header, $p_options);
                if ($v_result != 1) {
                    return $v_result;
                }
                // Store the file infos
                $p_result_list[$v_nb++] = $v_header;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privAddFile()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privAddFile($p_filedescr, &$p_header, &$p_options)
    {
        $v_result=1;
        // Working variable
        $p_filename = $p_filedescr['filename'];
        // TBC : Already done in the fileAtt check ... ?
        if ($p_filename == "") {
            // Error log
            $this->privErrorLog(self::ERR_INVALID_PARAMETER, 'Invalid file list parameter (invalid or empty list)');
            return self::errorCode();
        }
        // Look for a stored different filename
        /* TBC : Removed
        if (isset($p_filedescr['stored_filename'])) {
          $v_stored_filename = $p_filedescr['stored_filename'];
        }
        else {
          $v_stored_filename = $p_filedescr['stored_filename'];
        }
        */
        // Set the file properties
        clearstatcache();
        $p_header['version']           = 20;
        $p_header['version_extracted'] = 10;
        $p_header['flag']              = 0;
        $p_header['compression']       = 0;
        $p_header['crc']               = 0;
        $p_header['compressed_size']   = 0;
        $p_header['filename_len']      = strlen($p_filename);
        $p_header['extra_len']         = 0;
        $p_header['disk']              = 0;
        $p_header['internal']          = 0;
        $p_header['offset']            = 0;
        $p_header['filename']          = $p_filename;
        // TBC : Removed    $p_header['stored_filename'] = $v_stored_filename;
        $p_header['stored_filename']   = $p_filedescr['stored_filename'];
        $p_header['extra']             = '';
        $p_header['status']            = 'ok';
        $p_header['index']             = -1;
        // Look for regular file
        if ($p_filedescr['type']=='file') {
            $p_header['external']  = 0x00000000;
            $p_header['size']      = filesize($p_filename);
        } else if ($p_filedescr['type']=='folder') {
        // Look for regular folder
            $p_header['external']  = 0x00000010;
            $p_header['mtime']     = filemtime($p_filename);
            $p_header['size']      = filesize($p_filename);
        } else if ($p_filedescr['type'] == 'virtual_file') {
        // Look for virtual file
            $p_header['external']  = 0x00000000;
            $p_header['size']      = strlen($p_filedescr['content']);
        }
        // Look for filetime
        if (isset($p_filedescr['mtime'])) {
            $p_header['mtime']     = $p_filedescr['mtime'];
        } else if ($p_filedescr['type'] == 'virtual_file') {
            $p_header['mtime']     = time();
        } else {
            $p_header['mtime']     = filemtime($p_filename);
        }
        // Look for file comment
        if (isset($p_filedescr['comment'])) {
            $p_header['comment_len'] = strlen($p_filedescr['comment']);
            $p_header['comment']     = $p_filedescr['comment'];
        } else {
            $p_header['comment_len'] = 0;
            $p_header['comment']     = '';
        }
        // Look for pre-add callback
        if (isset($p_options[self::CB_PRE_ADD])) {
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_header, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the
            // header.
//            eval('$v_result = '.$p_options[self::CB_PRE_ADD].'(self::CB_PRE_ADD, $v_local_header);');
            $v_result = $p_options[self::CB_PRE_ADD](self::CB_PRE_ADD, $v_local_header);
            if ($v_result == 0) {
                // Change the file status
                $p_header['status'] = "skipped";
                $v_result = 1;
            }
            // Update the informations
            // Only some fields can be modified
            if ($p_header['stored_filename'] != $v_local_header['stored_filename']) {
                $p_header['stored_filename'] = self::UtilPathReduction($v_local_header['stored_filename']);
            }
        }
        // Look for empty stored filename
        if ($p_header['stored_filename'] == "") {
            $p_header['status'] = "filtered";
        }
        // Check the path length
        if (strlen($p_header['stored_filename']) > 0xFF) {
            $p_header['status'] = 'filename_too_long';
        }
        // Look if no error, or file not skipped
        if ($p_header['status'] == 'ok') {
            // Look for a file
            if ($p_filedescr['type'] == 'file') {
                // Look for using temporary file to zip
                if (
                    (!isset($p_options[self::OPT_TEMP_FILE_OFF])) &&
                    (isset($p_options[self::OPT_TEMP_FILE_ON]) ||
                        (isset($p_options[self::OPT_TEMP_FILE_THRESHOLD]) &&
                            ($p_options[self::OPT_TEMP_FILE_THRESHOLD] <= $p_header['size'])
                        )
                    )
                ) {
                    $v_result = $this->privAddFileUsingTempFile($p_filedescr, $p_header, $p_options);
                    if ($v_result < self::ERR_NO_ERROR) {
                        return $v_result;
                    }
                } else {
                    // Use "in memory" zip algo
                    // Open the source file
                    if (($v_file = @fopen($p_filename, "rb")) == 0) {
                        $this->privErrorLog(
                            self::ERR_READ_OPEN_FAIL,
                            'Unable to open file \''.$p_filename.'\' in binary read mode'
                        );
                        return self::errorCode();
                    }
                    // Read the file content
                    $v_content = @fread($v_file, $p_header['size']);
                    // Close the file
                    @fclose($v_file);
                    // Calculate the CRC
                    $p_header['crc'] = @crc32($v_content);
                    // Look for no compression
                    if ($p_options[self::OPT_NO_COMPRESSION]) {
                        // Set header parameters
                        $p_header['compressed_size'] = $p_header['size'];
                        $p_header['compression'] = 0;
                    } else {
                        // Look for normal compression
                        // Compress the content
                        $v_content = @gzdeflate($v_content);
                        // Set header parameters
                        $p_header['compressed_size'] = strlen($v_content);
                        $p_header['compression'] = 8;
                    }
                    // Call the header generation
                    if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
                        @fclose($v_file);
                        return $v_result;
                    }
                    // Write the compressed (or not) content
                    @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
                }
            } else if ($p_filedescr['type'] == 'virtual_file') {
                // Look for a virtual file (a file from string)
                $v_content = $p_filedescr['content'];
                // Calculate the CRC
                $p_header['crc'] = @crc32($v_content);
                // Look for no compression
                if ($p_options[self::OPT_NO_COMPRESSION]) {
                    // Set header parameters
                    $p_header['compressed_size'] = $p_header['size'];
                    $p_header['compression'] = 0;
                } else {
                    // Look for normal compression
                    // Compress the content
                    $v_content = @gzdeflate($v_content);
                    // Set header parameters
                    $p_header['compressed_size'] = strlen($v_content);
                    $p_header['compression'] = 8;
                }
                // Call the header generation
                if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
                    @fclose($v_file);
                    return $v_result;
                }
                // Write the compressed (or not) content
                @fwrite($this->zip_fd, $v_content, $p_header['compressed_size']);
            } else if ($p_filedescr['type'] == 'folder') {
                // Look for a directory
                // Look for directory last '/'
                if (@substr($p_header['stored_filename'], -1) != '/') {
                    $p_header['stored_filename'] .= '/';
                }
                // Set the file properties
                $p_header['size'] = 0;
//                $p_header['external'] = 0x41FF0010;   // Value for a folder : to be checked
                $p_header['external'] = 0x00000010;   // Value for a folder : to be checked
                // Call the header generation
                if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
                    return $v_result;
                }
            }
        }
        // Look for post-add callback
        if (isset($p_options[self::CB_POST_ADD])) {
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_header, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the
            // header.
//            eval('$v_result = '.$p_options[PCLZIP_CB_POST_ADD].'(PCLZIP_CB_POST_ADD, $v_local_header);');
            $v_result = $p_options[self::CB_POST_ADD](self::CB_POST_ADD, $v_local_header);
            if ($v_result == 0) {
                // Ignored
                $v_result = 1;
            }
            // Update the informations
            // Nothing can be modified
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privAddFileUsingTempFile()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privAddFileUsingTempFile($p_filedescr, &$p_header, &$p_options)
    {
        $v_result = self::ERR_NO_ERROR;
        // Working variable
        $p_filename = $p_filedescr['filename'];
        // Open the source file
        if (($v_file = @fopen($p_filename, "rb")) == 0) {
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open file \''.$p_filename.'\' in binary read mode'
            );
            return self::errorCode();
        }
        // Creates a compressed temporary file
        $v_gzip_temp_name = self::TEMPORARY_DIR.uniqid('pclzip-').'.gz';
        if (($v_file_compressed = @gzopen($v_gzip_temp_name, "wb")) == 0) {
            fclose($v_file);
            $this->privErrorLog(
                self::ERR_WRITE_OPEN_FAIL,
                'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode'
            );
            return self::errorCode();
        }
        // Read the file by self::READ_BLOCK_SIZE octets blocks
        $v_size = filesize($p_filename);
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @fread($v_file, $v_read_size);
//            $v_binary_data = pack('a'.$v_read_size, $v_buffer);
            @gzputs($v_file_compressed, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Close the file
        @fclose($v_file);
        @gzclose($v_file_compressed);
        // Check the minimum file size
        if (filesize($v_gzip_temp_name) < 18) {
            $this->privErrorLog(
                self::ERR_BAD_FORMAT,
                'gzip temporary file \''.$v_gzip_temp_name.'\' has invalid filesize - should be minimum 18 bytes'
            );
            return self::errorCode();
        }
        // Extract the compressed attributes
        if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) {
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'
            );
            return self::errorCode();
        }
        // Read the gzip file header
        $v_binary_data = @fread($v_file_compressed, 10);
        $v_data_header = unpack('a1id1/a1id2/a1cm/a1flag/Vmtime/a1xfl/a1os', $v_binary_data);
        // Check some parameters
        $v_data_header['os'] = bin2hex($v_data_header['os']);
        // Read the gzip file footer
        @fseek($v_file_compressed, filesize($v_gzip_temp_name)-8);
        $v_binary_data = @fread($v_file_compressed, 8);
        $v_data_footer = unpack('Vcrc/Vcompressed_size', $v_binary_data);
        // Set the attributes
        $p_header['compression'] = ord($v_data_header['cm']);
        //$p_header['mtime'] = $v_data_header['mtime'];
        $p_header['crc'] = $v_data_footer['crc'];
        $p_header['compressed_size'] = filesize($v_gzip_temp_name)-18;
        // Close the file
        @fclose($v_file_compressed);
        // Call the header generation
        if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
            return $v_result;
        }
        // Add the compressed data
        if (($v_file_compressed = @fopen($v_gzip_temp_name, "rb")) == 0) {
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'
            );
            return self::errorCode();
        }
        // Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
        fseek($v_file_compressed, 10);
        $v_size = $p_header['compressed_size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @fread($v_file_compressed, $v_read_size);
            //$v_binary_data = pack('a'.$v_read_size, $v_buffer);
            @fwrite($this->zip_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Close the file
        @fclose($v_file_compressed);
        // Unlink the temporary file
        @unlink($v_gzip_temp_name);
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privCalculateStoredFilename()
  // Description :
  //   Based on file descriptor properties and global options, this method
  //   calculate the filename that will be stored in the archive.
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privCalculateStoredFilename(&$p_filedescr, &$p_options)
    {
        $v_result = 1;
        // Working variables
        $p_filename = $p_filedescr['filename'];
        if (isset($p_options[self::OPT_ADD_PATH])) {
            $p_add_dir = $p_options[self::OPT_ADD_PATH];
        } else {
          $p_add_dir = '';
        }
        if (isset($p_options[self::OPT_REMOVE_PATH])) {
            $p_remove_dir = $p_options[self::OPT_REMOVE_PATH];
        } else {
            $p_remove_dir = '';
        }
        if (isset($p_options[self::OPT_REMOVE_ALL_PATH])) {
            $p_remove_all_dir = $p_options[self::OPT_REMOVE_ALL_PATH];
        } else {
            $p_remove_all_dir = 0;
        }
        // Look for full name change
        if (isset($p_filedescr['new_full_name'])) {
            // Remove drive letter if any
            $v_stored_filename = self::UtilTranslateWinPath($p_filedescr['new_full_name']);
        } else {
            // Look for path and/or short name change
            // Its when we cahnge just the filename but not the path
            if (isset($p_filedescr['new_short_name'])) {
                $v_path_info = pathinfo($p_filename);
                $v_dir = '';
                if ($v_path_info['dirname'] != '') {
                    $v_dir = $v_path_info['dirname'].'/';
                }
                $v_stored_filename = $v_dir.$p_filedescr['new_short_name'];
            } else {
                // Calculate the stored filename
                $v_stored_filename = $p_filename;
            }
            // Look for all path to remove
            if ($p_remove_all_dir) {
                $v_stored_filename = basename($p_filename);
            } else if ($p_remove_dir != "") {
            // Look for partial path remove
                if (substr($p_remove_dir, -1) != '/') {
                    $p_remove_dir .= "/";
                }
                if ((substr($p_filename, 0, 2) == "./") || (substr($p_remove_dir, 0, 2) == "./")) {
                    if ((substr($p_filename, 0, 2) == "./") && (substr($p_remove_dir, 0, 2) != "./")) {
                        $p_remove_dir = "./".$p_remove_dir;
                    }
                    if ((substr($p_filename, 0, 2) != "./") && (substr($p_remove_dir, 0, 2) == "./")) {
                        $p_remove_dir = substr($p_remove_dir, 2);
                    }
                }
                $v_compare = self::UtilPathInclusion($p_remove_dir, $v_stored_filename);
                if ($v_compare > 0) {
                    if ($v_compare == 2) {
                      $v_stored_filename = "";
                    } else {
                        $v_stored_filename = substr($v_stored_filename, strlen($p_remove_dir));
                    }
                }
            }
            // Remove drive letter if any
            $v_stored_filename = self::UtilTranslateWinPath($v_stored_filename);
            // Look for path to add
            if ($p_add_dir != "") {
                if (substr($p_add_dir, -1) == "/") {
                  $v_stored_filename = $p_add_dir.$v_stored_filename;
                } else {
                  $v_stored_filename = $p_add_dir."/".$v_stored_filename;
                }
            }
        }
        // Filename (reduce the path of stored name)
        $v_stored_filename = self::UtilPathReduction($v_stored_filename);
        $p_filedescr['stored_filename'] = $v_stored_filename;
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privWriteFileHeader()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privWriteFileHeader(&$p_header)
    {
        $v_result = 1;
        // Store the offset position of the file
        $p_header['offset'] = ftell($this->zip_fd);
        // Transform UNIX mtime to DOS format mdate/mtime
        $v_date = getdate($p_header['mtime']);
        $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
        $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];
        // Packed data
        $v_binary_data = pack(
            'VvvvvvVVVvv',
            0x04034b50,
            $p_header['version_extracted'],
            $p_header['flag'],
            $p_header['compression'],
            $v_mtime,
            $v_mdate,
            $p_header['crc'],
            $p_header['compressed_size'],
            $p_header['size'],
            strlen($p_header['stored_filename']),
            $p_header['extra_len']
        );
        // Write the first 148 bytes of the header in the archive
        fputs($this->zip_fd, $v_binary_data, 30);
        // Write the variable fields
        if (strlen($p_header['stored_filename']) != 0) {
            fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
        }
        if ($p_header['extra_len'] != 0) {
            fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privWriteCentralFileHeader()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privWriteCentralFileHeader(&$p_header)
    {
        $v_result = 1;
        // TBC
        //for(reset($p_header); $key = key($p_header); next($p_header)) { }
        // Transform UNIX mtime to DOS format mdate/mtime
        $v_date = getdate($p_header['mtime']);
        $v_mtime = ($v_date['hours']<<11) + ($v_date['minutes']<<5) + $v_date['seconds']/2;
        $v_mdate = (($v_date['year']-1980)<<9) + ($v_date['mon']<<5) + $v_date['mday'];
        // Packed data
        $v_binary_data = pack(
            'VvvvvvvVVVvvvvvVV',
            0x02014b50,
            $p_header['version'],
            $p_header['version_extracted'],
            $p_header['flag'],
            $p_header['compression'],
            $v_mtime,
            $v_mdate,
            $p_header['crc'],
            $p_header['compressed_size'],
            $p_header['size'],
            strlen($p_header['stored_filename']),
            $p_header['extra_len'],
            $p_header['comment_len'],
            $p_header['disk'],
            $p_header['internal'],
            $p_header['external'],
            $p_header['offset']
        );
        // Write the 42 bytes of the header in the zip file
        fputs($this->zip_fd, $v_binary_data, 46);
        // Write the variable fields
        if (strlen($p_header['stored_filename']) != 0) {
            fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
        }
        if ($p_header['extra_len'] != 0) {
            fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
        }
        if ($p_header['comment_len'] != 0) {
            fputs($this->zip_fd, $p_header['comment'], $p_header['comment_len']);
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privWriteCentralHeader()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privWriteCentralHeader($p_nb_entries, $p_size, $p_offset, $p_comment)
    {
        $v_result=1;
        // Packed data
        $v_binary_data = pack(
            'VvvvvVVv',
            0x06054b50,
            0,
            0,
            $p_nb_entries,
            $p_nb_entries,
            $p_size,
            $p_offset,
            strlen($p_comment)
        );
        // Write the 22 bytes of the header in the zip file
        fputs($this->zip_fd, $v_binary_data, 22);
        // Write the variable fields
        if (strlen($p_comment) != 0) {
            fputs($this->zip_fd, $p_comment, strlen($p_comment));
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privList()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privList(&$p_list)
    {
        $v_result = 1;
        // Magic quotes trick
        $this->privDisableMagicQuotes();
        // Open the zip file
        if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0) {
            // Magic quotes trick
            $this->privSwapBackMagicQuotes();
            // Error log
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open archive \''.$this->zipname.'\' in binary read mode'
            );
            // Return
            return self::errorCode();
        }
        // Read the central directory informations
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Go to beginning of Central Dir
        @rewind($this->zip_fd);
        if (@fseek($this->zip_fd, $v_central_dir['offset'])) {
            $this->privSwapBackMagicQuotes();
            // Error log
            $this->privErrorLog(
                self::ERR_INVALID_ARCHIVE_ZIP,
                'Invalid archive size'
            );
            return self::errorCode();
        }
        // Read each entry
        for ($i=0; $i<$v_central_dir['entries']; $i++) {
            // Read the file header
            if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1) {
                $this->privSwapBackMagicQuotes();
                return $v_result;
            }
            $v_header['index'] = $i;
            // Get the only interesting attributes
            $this->privConvertHeader2FileInfo($v_header, $p_list[$i]);
            unset($v_header);
        }
        // Close the zip file
        $this->privCloseFd();
        // Magic quotes trick
        $this->privSwapBackMagicQuotes();
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privConvertHeader2FileInfo()
  // Description :
  //   This function takes the file informations from the central directory
  //   entries and extract the interesting parameters that will be given back.
  //   The resulting file infos are set in the array $p_info
  //     $p_info['filename'] : Filename with full path. Given by user (add),
  //                           extracted in the filesystem (extract).
  //     $p_info['stored_filename'] : Stored filename in the archive.
  //     $p_info['size'] = Size of the file.
  //     $p_info['compressed_size'] = Compressed size of the file.
  //     $p_info['mtime'] = Last modification date of the file.
  //     $p_info['comment'] = Comment associated with the file.
  //     $p_info['folder'] = true/false : indicates if the entry is a folder or not.
  //     $p_info['status'] = status of the action on the file.
  //     $p_info['crc'] = CRC of the file content.
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privConvertHeader2FileInfo($p_header, &$p_info)
    {
        $v_result = 1;
        // Get the interesting attributes
        $v_temp_path               = self::UtilPathReduction($p_header['filename']);
        $p_info['filename']        = $v_temp_path;
        $v_temp_path               = self::UtilPathReduction($p_header['stored_filename']);
        $p_info['stored_filename'] = $v_temp_path;
        $p_info['size']            = $p_header['size'];
        $p_info['compressed_size'] = $p_header['compressed_size'];
        $p_info['mtime']           = $p_header['mtime'];
        $p_info['comment']         = $p_header['comment'];
        $p_info['folder']          = (($p_header['external']&0x00000010)==0x00000010);
        $p_info['index']           = $p_header['index'];
        $p_info['status']          = $p_header['status'];
        $p_info['crc']             = $p_header['crc'];
        // Return
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privExtractByRule()
  // Description :
  //   Extract a file or directory depending of rules (by index, by name, ...)
  // Parameters :
  //   $p_file_list : An array where will be placed the properties of each
  //                  extracted file
  //   $p_path : Path to add while writing the extracted files
  //   $p_remove_path : Path to remove (from the file memorized path) while writing the
  //                    extracted files. If the path does not match the file path,
  //                    the file is extracted with its memorized path.
  //                    $p_remove_path does not apply to 'list' mode.
  //                    $p_path and $p_remove_path are commulative.
  // Return Values :
  //   1 on success,0 or less on error (see error code list)
  // --------------------------------------------------------------------------------
    protected function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all_path, &$p_options)
    {
        $v_result = 1;
        // Magic quotes trick
        $this->privDisableMagicQuotes();
        // Check the path
        if (
            ($p_path == "") ||
            (
                (substr($p_path, 0, 1) != "/") &&
                (substr($p_path, 0, 3) != "../") &&
                (substr($p_path,1,2)!=":/")
            )
        ) {
            $p_path = "./".$p_path;
        }
        // Reduce the path last (and duplicated) '/'
        if (($p_path != "./") && ($p_path != "/")) {
            // Look for the path end '/'
            while (substr($p_path, -1) == "/") {
                $p_path = substr($p_path, 0, strlen($p_path)-1);
            }
        }
        // Look for path to remove format (should end by /)
        if (($p_remove_path != "") && (substr($p_remove_path, -1) != '/')) {
            $p_remove_path .= '/';
        }
        $p_remove_path_size = strlen($p_remove_path);
        // Open the zip file
        if (($v_result = $this->privOpenFd('rb')) != 1) {
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Read the central directory informations
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
            // Close the zip file
            $this->privCloseFd();
            $this->privSwapBackMagicQuotes();
            return $v_result;
        }
        // Start at beginning of Central Dir
        $v_pos_entry = $v_central_dir['offset'];
        // Read each entry
        $j_start = 0;
        for ($i = 0, $v_nb_extracted = 0; $i < $v_central_dir['entries']; $i++) {
            // Read next Central dir entry
            @rewind($this->zip_fd);
            if (@fseek($this->zip_fd, $v_pos_entry)) {
                // Close the zip file
                $this->privCloseFd();
                $this->privSwapBackMagicQuotes();
                // Error log
                $this->privErrorLog(
                    self::ERR_INVALID_ARCHIVE_ZIP,
                    'Invalid archive size'
                );
                return self::errorCode();
            }
            // Read the file header
            $v_header = array();
            if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1) {
                // Close the zip file
                $this->privCloseFd();
                $this->privSwapBackMagicQuotes();
                return $v_result;
            }
            // Store the index
            $v_header['index'] = $i;
            // Store the file position
            $v_pos_entry = ftell($this->zip_fd);
            // Look for the specific extract rules
            $v_extract = false;
            // Look for extract by name rule
            if (   (isset($p_options[self::OPT_BY_NAME])) && ($p_options[self::OPT_BY_NAME] != 0)) {
                // Look if the filename is in the list
                for ($j = 0; ($j < sizeof($p_options[self::OPT_BY_NAME])) && (!$v_extract); $j++) {
                    // Look for a directory
                    if (substr($p_options[self::OPT_BY_NAME][$j], -1) == '/') {
                        // Look if the directory is in the filename path
                        if (
                            (strlen($v_header['stored_filename']) > strlen($p_options[self::OPT_BY_NAME][$j])) &&
                            (substr(
                                $v_header['stored_filename'],
                                0,
                                strlen($p_options[self::OPT_BY_NAME][$j])) == $p_options[self::OPT_BY_NAME][$j]
                            )
                        ) {
                            $v_extract = true;
                        }
                    } elseif ($v_header['stored_filename'] == $p_options[self::OPT_BY_NAME][$j]) {
                    // Look for a filename
                        $v_extract = true;
                    }
                }
            } else if ((isset($p_options[self::OPT_BY_PREG])) && ($p_options[self::OPT_BY_PREG] != "")) {
                // Look for extract by preg rule
                if (preg_match($p_options[self::OPT_BY_PREG], $v_header['stored_filename'])) {
                    $v_extract = true;
                }
            } else if ((isset($p_options[self::OPT_BY_INDEX])) && ($p_options[self::OPT_BY_INDEX] != 0)) {
                // Look for extract by index rule
                // Look if the index is in the list
                for ($j=$j_start; ($j<sizeof($p_options[self::OPT_BY_INDEX])) && (!$v_extract); $j++) {
                    if (($i>=$p_options[self::OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[self::OPT_BY_INDEX][$j]['end'])) {
                        $v_extract = true;
                    }
                    if ($i>=$p_options[self::OPT_BY_INDEX][$j]['end']) {
                        $j_start = $j+1;
                    }
                    if ($p_options[self::OPT_BY_INDEX][$j]['start']>$i) {
                        break;
                    }
                }
            } else {
                // Look for no rule, which means extract all the archive
                $v_extract = true;
            }
            // Check compression method
            if (
                ($v_extract) && (
                    ($v_header['compression'] != 8) && ($v_header['compression'] != 0))
            ) {
                $v_header['status'] = 'unsupported_compression';
                // Look for self::OPT_STOP_ON_ERROR
                if (
                    (isset($p_options[self::OPT_STOP_ON_ERROR])) && ($p_options[self::OPT_STOP_ON_ERROR]===true)
                ) {
                    $this->privSwapBackMagicQuotes();
                    $this->privErrorLog(
                        self::ERR_UNSUPPORTED_COMPRESSION,
                        'Filename \''.$v_header['stored_filename'].'\' is '.
                        'compressed by an unsupported compression method ('.$v_header['compression'].') '
                    );
                    return self::errorCode();
                }
            }
            // Check encrypted files
            if (($v_extract) && (($v_header['flag'] & 1) == 1)) {
                $v_header['status'] = 'unsupported_encryption';
                // Look for self::OPT_STOP_ON_ERROR
                if ((isset($p_options[self::OPT_STOP_ON_ERROR])) && ($p_options[self::OPT_STOP_ON_ERROR]===true)) {
                    $this->privSwapBackMagicQuotes();
                    $this->privErrorLog(
                        self::ERR_UNSUPPORTED_ENCRYPTION,
                        'Unsupported encryption for filename \''.$v_header['stored_filename'].'\''
                    );
                    return self::errorCode();
                }
            }
            // Look for real extraction
            if (($v_extract) && ($v_header['status'] != 'ok')) {
                $v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++]);
                if ($v_result != 1) {
                    $this->privCloseFd();
                    $this->privSwapBackMagicQuotes();
                    return $v_result;
                }
                $v_extract = false;
            }
            // Look for real extraction
            if ($v_extract) {
                // Go to the file position
                @rewind($this->zip_fd);
                if (@fseek($this->zip_fd, $v_header['offset'])) {
                    // Close the zip file
                    $this->privCloseFd();
                    $this->privSwapBackMagicQuotes();
                    // Error log
                    $this->privErrorLog(self::ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
                    return self::errorCode();
                }
                // Look for extraction as string
                if ($p_options[self::OPT_EXTRACT_AS_STRING]) {
                    $v_string = '';
                    // Extracting the file
                    $v_result1 = $this->privExtractFileAsString($v_header, $v_string, $p_options);
                    if ($v_result1 < 1) {
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result1;
                    }
                    // Get the only interesting attributes
                    if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted])) != 1) {
                        // Close the zip file
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result;
                    }
                    // Set the file content
                    $p_file_list[$v_nb_extracted]['content'] = $v_string;
                    // Next extracted file
                    $v_nb_extracted++;
                    // Look for user callback abort
                    if ($v_result1 == 2) {
                        break;
                    }
                } elseif ((isset($p_options[self::OPT_EXTRACT_IN_OUTPUT])) && ($p_options[self::OPT_EXTRACT_IN_OUTPUT])) {
                    // Look for extraction in standard output
                    // Extracting the file in standard output
                    $v_result1 = $this->privExtractFileInOutput($v_header, $p_options);
                    if ($v_result1 < 1) {
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result1;
                    }
                    // Get the only interesting attributes
                    if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result;
                    }
                    // Look for user callback abort
                    if ($v_result1 == 2) {
                        break;
                    }
                } else {
                    // Look for normal extraction
                    // Extracting the file
                    $v_result1 = $this->privExtractFile(
                        $v_header,
                        $p_path,
                        $p_remove_path,
                        $p_remove_all_path,
                        $p_options
                    );
                    if ($v_result1 < 1) {
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result1;
                    }
                    // Get the only interesting attributes
                    if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
                        // Close the zip file
                        $this->privCloseFd();
                        $this->privSwapBackMagicQuotes();
                        return $v_result;
                    }
                    // Look for user callback abort
                    if ($v_result1 == 2) {
                        break;
                    }
                }
            }
        }
        // Close the zip file
        $this->privCloseFd();
        $this->privSwapBackMagicQuotes();
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privExtractFile()
  // Description :
  // Parameters :
  // Return Values :
  //
  // 1 : ... ?
  // PCLZIP_ERR_USER_ABORTED(2) : User ask for extraction stop in callback
  // --------------------------------------------------------------------------------
    protected function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_options)
    {
        $v_result = 1;
        // Read the file header
        if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
            return $v_result;
        }
        // Check that the file header is coherent with $p_entry info
        if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
            // TBC
        }
        // Look for all path to remove
        if ($p_remove_all_path == true) {
            // Look for folder entry that not need to be extracted
            if (($p_entry['external']&0x00000010)==0x00000010) {
                $p_entry['status'] = "filtered";
                return $v_result;
            }
            // Get the basename of the path
            $p_entry['filename'] = basename($p_entry['filename']);
        } else if ($p_remove_path != '') {
        // Look for path to remove
            if (self::UtilPathInclusion($p_remove_path, $p_entry['filename']) == 2) {
                // Change the file status
                $p_entry['status'] = 'filtered';
                // Return
                return $v_result;
            }
            $p_remove_path_size = strlen($p_remove_path);
            if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path) {
                // Remove the path
                $p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size);
            }
        }
        // Add the path
        if ($p_path != '') {
            $p_entry['filename'] = $p_path."/".$p_entry['filename'];
        }
        // Check a base_dir_restriction
        if (isset($p_options[self::OPT_EXTRACT_DIR_RESTRICTION])) {
            $v_inclusion = self::UtilPathInclusion(
                $p_options[self::OPT_EXTRACT_DIR_RESTRICTION] , $p_entry['filename']
            );
            if ($v_inclusion == 0) {
                $this->privErrorLog(
                    self::ERR_DIRECTORY_RESTRICTION,
                    'Filename \''.$p_entry['filename'].'\' is outside '.self::OPT_EXTRACT_DIR_RESTRICTION
                );
                return self::errorCode();
            }
        }
        // Look for pre-extract callback
        if (isset($p_options[self::CB_PRE_EXTRACT])) {
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the header.
//            eval('$v_result = '.$p_options[self::CB_PRE_EXTRACT].'(self::CB_PRE_EXTRACT, $v_local_header);');
            $v_result = $p_options[self::CB_PRE_EXTRACT](self::CB_PRE_EXTRACT, $v_local_header);
            if ($v_result == 0) {
                // Change the file status
                $p_entry['status'] = 'skipped';
                $v_result = 1;
            }
            // Look for abort result
            if ($v_result == 2) {
                // This status is internal and will be changed in 'skipped'
                $p_entry['status'] = 'aborted';
                $v_result = self::ERR_USER_ABORTED;
            }
            // Update the informations
            // Only some fields can be modified
            $p_entry['filename'] = $v_local_header['filename'];
        }
        // Look if extraction should be done
        if ($p_entry['status'] == 'ok') {
            // Look for specific actions while the file exist
            if (file_exists($p_entry['filename'])) {
                // Look if file is a directory
                if (is_dir($p_entry['filename'])) {
                    // Change the file status
                    $p_entry['status'] = 'already_a_directory';
                    // Look for self::OPT_STOP_ON_ERROR
                    // For historical reason first PclZip implementation does not stop
                    // when this kind of error occurs.
                    if ((isset($p_options[self::OPT_STOP_ON_ERROR])) && ($p_options[self::OPT_STOP_ON_ERROR]===true)) {
                        $this->privErrorLog(
                            self::ERR_ALREADY_A_DIRECTORY,
                            'Filename \''.$p_entry['filename'].'\' is already used by an existing directory'
                        );
                        return PclZip::errorCode();
                    }
                } else if (!is_writeable($p_entry['filename'])) {
                    // Look if file is write protected
                    // Change the file status
                    $p_entry['status'] = "write_protected";
                    // Look for self::OPT_STOP_ON_ERROR
                    // For historical reason first PclZip implementation does not stop
                    // when this kind of error occurs.
                    if ((isset($p_options[self::OPT_STOP_ON_ERROR])) && ($p_options[self::OPT_STOP_ON_ERROR]===true)) {
                        $this->privErrorLog(
                            self::ERR_WRITE_OPEN_FAIL,
                            'Filename \''.$p_entry['filename'].'\' exists and is write protected'
                        );
                        return PclZip::errorCode();
                    }
                } else if (filemtime($p_entry['filename']) > $p_entry['mtime']) {
                    // Look if the extracted file is older
                    // Change the file status
                    if ((isset($p_options[self::OPT_REPLACE_NEWER])) && ($p_options[self::OPT_REPLACE_NEWER]===true)) {
                        // do nothing
                    } else {
                        $p_entry['status'] = 'newer_exist';
                        // Look for self::OPT_STOP_ON_ERROR
                        // For historical reason first PclZip implementation does not stop
                        // when this kind of error occurs.
                        if ((isset($p_options[self::OPT_STOP_ON_ERROR])) && ($p_options[self::OPT_STOP_ON_ERROR]===true)) {
                            $this->privErrorLog(
                                self::ERR_WRITE_OPEN_FAIL,
                                'Newer version of \''.$p_entry['filename'].'\' exists and option PCLZIP_OPT_REPLACE_NEWER is not selected'
                            );
                            return self::errorCode();
                        }
                    }
                } else { }
            } else {
                // Check the directory availability and create it if necessary
                if ((($p_entry['external']&0x00000010)==0x00000010) || (substr($p_entry['filename'], -1) == '/')) {
                    $v_dir_to_check = $p_entry['filename'];
                } else if (!strstr($p_entry['filename'], "/")) {
                    $v_dir_to_check = "";
                } else {
                    $v_dir_to_check = dirname($p_entry['filename']);
                }
                if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external']&0x00000010)==0x00000010))) != 1) {
                    // Change the file status
                    $p_entry['status'] = 'path_creation_fail';
                    //return $v_result;
                    $v_result = 1;
                }
            }
        }
        // Look if extraction should be done
        if ($p_entry['status'] == 'ok') {
            // Do the extraction (if not a folder)
            if (!(($p_entry['external']&0x00000010)==0x00000010)) {
                // Look for not compressed file
                if ($p_entry['compression'] == 0) {
                    // Opening destination file
                    if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
                        // Change the file status
                        $p_entry['status'] = 'write_error';
                        return $v_result;
                    }
                    // Read the file by PCLZIP_READ_BLOCK_SIZE octets blocks
                    $v_size = $p_entry['compressed_size'];
                    while ($v_size != 0) {
                        $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
                        $v_buffer = @fread($this->zip_fd, $v_read_size);
//                        $v_binary_data = pack('a'.$v_read_size, $v_buffer);
//                        @fwrite($v_dest_file, $v_binary_data, $v_read_size);
                        @fwrite($v_dest_file, $v_buffer, $v_read_size);
                        $v_size -= $v_read_size;
                    }
                    // Closing the destination file
                    fclose($v_dest_file);
                    // Change the file mtime
                    touch($p_entry['filename'], $p_entry['mtime']);
                } else {
                    // TBC
                    // Need to be finished
                    if (($p_entry['flag'] & 1) == 1) {
                        $this->privErrorLog(
                            self::ERR_UNSUPPORTED_ENCRYPTION,
                            'File \''.$p_entry['filename'].'\' is encrypted. Encrypted files are not supported.'
                        );
                        return self::errorCode();
                    }
                    // Look for using temporary file to unzip
                    if (
                        (!isset($p_options[self::OPT_TEMP_FILE_OFF])) &&
                        (isset($p_options[self::OPT_TEMP_FILE_ON]) ||
                            (isset($p_options[self::OPT_TEMP_FILE_THRESHOLD]) &&
                                ($p_options[self::OPT_TEMP_FILE_THRESHOLD] <= $p_entry['size'])
                            )
                        )
                    ) {
                        $v_result = $this->privExtractFileUsingTempFile($p_entry, $p_options);
                        if ($v_result < self::ERR_NO_ERROR) {
                            return $v_result;
                        }
                    } else {
                        // Look for extract in memory
                        // Read the compressed file in a buffer (one shot)
                        $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
                        // Decompress the file
                        $v_file_content = @gzinflate($v_buffer);
                        unset($v_buffer);
                        if ($v_file_content === false) {
                            // Change the file status
                            // TBC
                            $p_entry['status'] = "error";
                            return $v_result;
                        }
                        // Opening destination file
                        if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
                            // Change the file status
                            $p_entry['status'] = "write_error";
                            return $v_result;
                        }
                        // Write the uncompressed data
                        @fwrite($v_dest_file, $v_file_content, $p_entry['size']);
                        unset($v_file_content);
                        // Closing the destination file
                        @fclose($v_dest_file);
                    }
                    // Change the file mtime
                    @touch($p_entry['filename'], $p_entry['mtime']);
                }
                // Look for chmod option
                if (isset($p_options[self::OPT_SET_CHMOD])) {
                    // Change the mode of the file
                    @chmod($p_entry['filename'], $p_options[self::OPT_SET_CHMOD]);
                }
            }
        }
        // Change abort status
        if ($p_entry['status'] == "aborted") {
            $p_entry['status'] = "skipped";
        } elseif (isset($p_options[self::CB_POST_EXTRACT])) {
            // Look for post-extract callback
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the header.
//            eval('$v_result = '.$p_options[self::CB_POST_EXTRACT].'(self::CB_POST_EXTRACT, $v_local_header);');
            $v_result = $p_options[self::CB_POST_EXTRACT](self::CB_POST_EXTRACT, $v_local_header);
            // Look for abort result
            if ($v_result == 2) {
                $v_result = self::ERR_USER_ABORTED;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privExtractFileUsingTempFile()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privExtractFileUsingTempFile(&$p_entry, &$p_options)
    {
        $v_result = 1;
        // Creates a temporary file
        $v_gzip_temp_name = self::TEMPORARY_DIR.uniqid('pclzip-').'.gz';
        if (($v_dest_file = @fopen($v_gzip_temp_name, "wb")) == 0) {
            fclose($v_file);
            $this->privErrorLog(
                self::ERR_WRITE_OPEN_FAIL,
                'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary write mode'
            );
            return self::errorCode();
        }
        // Write gz file format header
        $v_binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($p_entry['compression']), Chr(0x00), time(), Chr(0x00), Chr(3));
        @fwrite($v_dest_file, $v_binary_data, 10);
        // Read the file by self::READ_BLOCK_SIZE octets blocks
        $v_size = $p_entry['compressed_size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @fread($this->zip_fd, $v_read_size);
            //$v_binary_data = pack('a'.$v_read_size, $v_buffer);
            @fwrite($v_dest_file, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Write gz file format footer
        $v_binary_data = pack('VV', $p_entry['crc'], $p_entry['size']);
        @fwrite($v_dest_file, $v_binary_data, 8);
        // Close the temporary file
        @fclose($v_dest_file);
        // Opening destination file
        if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {
            $p_entry['status'] = "write_error";
            return $v_result;
        }
        // Open the temporary gz file
        if (($v_src_file = @gzopen($v_gzip_temp_name, 'rb')) == 0) {
            @fclose($v_dest_file);
            $p_entry['status'] = "read_error";
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open temporary file \''.$v_gzip_temp_name.'\' in binary read mode'
            );
            return self::errorCode();
        }
        // Read the file by self::READ_BLOCK_SIZE octets blocks
        $v_size = $p_entry['size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @gzread($v_src_file, $v_read_size);
//            $v_binary_data = pack('a'.$v_read_size, $v_buffer);
            @fwrite($v_dest_file, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        @fclose($v_dest_file);
        @gzclose($v_src_file);
        // Delete the temporary file
        @unlink($v_gzip_temp_name);
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privExtractFileInOutput()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privExtractFileInOutput(&$p_entry, &$p_options)
    {
        $v_result=1;
        // Read the file header
        if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
            return $v_result;
        }
        // Check that the file header is coherent with $p_entry info
        if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
            // TBC
        }
        // Look for pre-extract callback
        if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the
            // header.
//            eval('$v_result = '.$p_options[self::CB_PRE_EXTRACT].'(self::CB_PRE_EXTRACT, $v_local_header);');
            $v_result = $p_options[self::CB_PRE_EXTRACT](self::CB_PRE_EXTRACT, $v_local_header);
            if ($v_result == 0) {
                // Change the file status
                $p_entry['status'] = "skipped";
                $v_result = 1;
            }
            // Look for abort result
            if ($v_result == 2) {
                // This status is internal and will be changed in 'skipped'
                $p_entry['status'] = "aborted";
                $v_result = self::ERR_USER_ABORTED;
            }
            // Update the informations
            // Only some fields can be modified
            $p_entry['filename'] = $v_local_header['filename'];
        }
        // Trace
        // Look if extraction should be done
        if ($p_entry['status'] == 'ok') {
            // Do the extraction (if not a folder)
            if (!(($p_entry['external']&0x00000010)==0x00000010)) {
                // Look for not compressed file
                if ($p_entry['compressed_size'] == $p_entry['size']) {
                    // Read the file in a buffer (one shot)
                    $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
                    // Send the file to the output
                    echo $v_buffer;
                    unset($v_buffer);
                } else {
                    // Read the compressed file in a buffer (one shot)
                    $v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);
                    // Decompress the file
                    $v_file_content = gzinflate($v_buffer);
                    unset($v_buffer);
                    // Send the file to the output
                    echo $v_file_content;
                    unset($v_file_content);
                }
            }
        }
        // Change abort status
        if ($p_entry['status'] == "aborted") {
            $p_entry['status'] = "skipped";
        } elseif (isset($p_options[self::CB_POST_EXTRACT])) {
            // Look for post-extract callback
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the
            // header.
//            eval('$v_result = '.$p_options[self::CB_POST_EXTRACT].'(self::CB_POST_EXTRACT, $v_local_header);');
            $v_result = $p_options[self::CB_POST_EXTRACT](self::CB_POST_EXTRACT, $v_local_header);
            // Look for abort result
            if ($v_result == 2) {
                $v_result = self::ERR_USER_ABORTED;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privExtractFileAsString()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privExtractFileAsString(&$p_entry, &$p_string, &$p_options)
    {
        $v_result = 1;
        // Read the file header
        $v_header = array();
        if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
            return $v_result;
        }
        // Check that the file header is coherent with $p_entry info
        if ($this->privCheckFileHeaders($v_header, $p_entry) != 1) {
            // TBC
        }
        // Look for pre-extract callback
        if (isset($p_options[self::CB_PRE_EXTRACT])) {
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the header.
//            eval('$v_result = '.$p_options[self::CB_PRE_EXTRACT].'(self::CB_PRE_EXTRACT, $v_local_header);');
            $v_result = $p_options[self::CB_PRE_EXTRACT](self::CB_PRE_EXTRACT, $v_local_header);
            if ($v_result == 0) {
                // Change the file status
                $p_entry['status'] = 'skipped';
                $v_result = 1;
            }
            // Look for abort result
            if ($v_result == 2) {
                // This status is internal and will be changed in 'skipped'
                $p_entry['status'] = "aborted";
                $v_result = self::ERR_USER_ABORTED;
            }
            // Update the informations
            // Only some fields can be modified
            $p_entry['filename'] = $v_local_header['filename'];
        }
        // Look if extraction should be done
        if ($p_entry['status'] == 'ok') {
            // Do the extraction (if not a folder)
            if (!(($p_entry['external']&0x00000010)==0x00000010)) {
                // Look for not compressed file
//                if ($p_entry['compressed_size'] == $p_entry['size'])
                if ($p_entry['compression'] == 0) {
                    // Reading the file
                    $p_string = @fread($this->zip_fd, $p_entry['compressed_size']);
                } else {
                    // Reading the file
                    $v_data = @fread($this->zip_fd, $p_entry['compressed_size']);
                    // Decompress the file
                    if (($p_string = @gzinflate($v_data)) === false) {
                        // TBC
                    }
                }
                // Trace
            }  else {
                // TBC : error : can not extract a folder in a string
            }
        }
        // Change abort status
        if ($p_entry['status'] == 'aborted') {
            $p_entry['status'] = 'skipped';
        } elseif (isset($p_options[self::CB_POST_EXTRACT])) {
            // Look for post-extract callback
            // Generate a local information
            $v_local_header = array();
            $this->privConvertHeader2FileInfo($p_entry, $v_local_header);
            // Swap the content to header
            $v_local_header['content'] = $p_string;
            $p_string = '';
            // Call the callback
            // Here I do not use call_user_func() because I need to send a reference to the
            // header.
//            eval('$v_result = '.$p_options[self::CB_POST_EXTRACT].'(self::CB_POST_EXTRACT, $v_local_header);');
            $v_result = $p_options[self::CB_POST_EXTRACT](self::CB_POST_EXTRACT, $v_local_header);
            // Swap back the content to header
            $p_string = $v_local_header['content'];
            unset($v_local_header['content']);
            // Look for abort result
            if ($v_result == 2) {
                $v_result = self::ERR_USER_ABORTED;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privReadFileHeader()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privReadFileHeader(&$p_header)
    {
        $v_result = 1;
        // Read the 4 bytes signature
        $v_binary_data = @fread($this->zip_fd, 4);
        $v_data = unpack('Vid', $v_binary_data);
        // Check signature
        if ($v_data['id'] != 0x04034b50) {
            // Error log
            $this->privErrorLog(self::ERR_BAD_FORMAT, 'Invalid archive structure');
            return self::errorCode();
        }
        // Read the first 42 bytes of the header
        $v_binary_data = fread($this->zip_fd, 26);
        // Look for invalid block size
        if (strlen($v_binary_data) != 26) {
            $p_header['filename'] = "";
            $p_header['status'] = "invalid_header";
            // Error log
            $this->privErrorLog(self::ERR_BAD_FORMAT, 'Invalid block size : '.strlen($v_binary_data));
            return self::errorCode();
        }
        // Extract the values
        $v_data = unpack(
            'vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len',
            $v_binary_data
        );
        // Get filename
        $p_header['filename'] = fread($this->zip_fd, $v_data['filename_len']);
        // Get extra_fields
        if ($v_data['extra_len'] != 0) {
            $p_header['extra'] = fread($this->zip_fd, $v_data['extra_len']);
        } else {
            $p_header['extra'] = '';
        }
        // Extract properties
        $p_header['version_extracted'] = $v_data['version'];
        $p_header['compression']       = $v_data['compression'];
        $p_header['size']              = $v_data['size'];
        $p_header['compressed_size']   = $v_data['compressed_size'];
        $p_header['crc']               = $v_data['crc'];
        $p_header['flag']              = $v_data['flag'];
        $p_header['filename_len']      = $v_data['filename_len'];
        // Recuperate date in UNIX format
        $p_header['mdate']             = $v_data['mdate'];
        $p_header['mtime']             = $v_data['mtime'];
        if ($p_header['mdate'] && $p_header['mtime']) {
            // Extract time
            $v_hour    = ($p_header['mtime'] & 0xF800) >> 11;
            $v_minute  = ($p_header['mtime'] & 0x07E0) >> 5;
            $v_seconde = ($p_header['mtime'] & 0x001F)*2;
            // Extract date
            $v_year    = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
            $v_month   =  ($p_header['mdate'] & 0x01E0) >> 5;
            $v_day     =   $p_header['mdate'] & 0x001F;
            // Get UNIX date format
            $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
        } else {
            $p_header['mtime'] = time();
        }
        // TBC
        //for(reset($v_data); $key = key($v_data); next($v_data)) {
        //}
        // Set the stored filename
        $p_header['stored_filename'] = $p_header['filename'];
        // Set the status field
        $p_header['status'] = "ok";
        // Return
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privReadCentralFileHeader()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privReadCentralFileHeader(&$p_header)
    {
        $v_result = 1;
        // Read the 4 bytes signature
        $v_binary_data = @fread($this->zip_fd, 4);
        $v_data = unpack('Vid', $v_binary_data);
        // Check signature
        if ($v_data['id'] != 0x02014b50) {
            // Error log
            $this->privErrorLog(self::ERR_BAD_FORMAT, 'Invalid archive structure');
            // Return
            return self::errorCode();
        }
        // Read the first 42 bytes of the header
        $v_binary_data = fread($this->zip_fd, 42);
        // Look for invalid block size
        if (strlen($v_binary_data) != 42) {
            $p_header['filename'] = "";
            $p_header['status'] = "invalid_header";
            // Error log
            $this->privErrorLog(self::ERR_BAD_FORMAT, 'Invalid block size : '.strlen($v_binary_data));
            return self::errorCode();
        }
        // Extract the values
        $p_header = unpack(
            'vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/'.
            'vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset',
            $v_binary_data
        );
        // Get filename
        if ($p_header['filename_len'] != 0) {
            $p_header['filename'] = fread($this->zip_fd, $p_header['filename_len']);
        } else {
            $p_header['filename'] = '';
        }
        // Get extra
        if ($p_header['extra_len'] != 0) {
            $p_header['extra'] = fread($this->zip_fd, $p_header['extra_len']);
        } else {
            $p_header['extra'] = '';
        }
        // Get comment
        if ($p_header['comment_len'] != 0) {
            $p_header['comment'] = fread($this->zip_fd, $p_header['comment_len']);
        } else {
            $p_header['comment'] = '';
        }
        // Extract properties
        // Recuperate date in UNIX format
        //if ($p_header['mdate'] && $p_header['mtime'])
        // TBC : bug : this was ignoring time with 0/0/0
        if (1) {
            // Extract time
            $v_hour    = ($p_header['mtime'] & 0xF800) >> 11;
            $v_minute  = ($p_header['mtime'] & 0x07E0) >> 5;
            $v_seconde = ($p_header['mtime'] & 0x001F)*2;
            // Extract date
            $v_year  = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
            $v_month =  ($p_header['mdate'] & 0x01E0) >> 5;
            $v_day   =   $p_header['mdate'] & 0x001F;
            // Get UNIX date format
            $p_header['mtime'] = @mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
        } else {
            $p_header['mtime'] = time();
        }
        // Set the stored filename
        $p_header['stored_filename'] = $p_header['filename'];
        // Set default status to ok
        $p_header['status'] = 'ok';
        // Look if it is a directory
        if (substr($p_header['filename'], -1) == '/') {
            //$p_header['external'] = 0x41FF0010;
            $p_header['external'] = 0x00000010;
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privCheckFileHeaders()
  // Description :
  // Parameters :
  // Return Values :
  //   1 on success,
  //   0 on error;
  // --------------------------------------------------------------------------------
    protected function privCheckFileHeaders(&$p_local_header, &$p_central_header)
    {
        $v_result = 1;
        // Check the static values
        // TBC
        if ($p_local_header['filename'] != $p_central_header['filename']) {
        }
        if ($p_local_header['version_extracted'] != $p_central_header['version_extracted']) {
        }
        if ($p_local_header['flag'] != $p_central_header['flag']) {
        }
        if ($p_local_header['compression'] != $p_central_header['compression']) {
        }
        if ($p_local_header['mtime'] != $p_central_header['mtime']) {
        }
        if ($p_local_header['filename_len'] != $p_central_header['filename_len']) {
        }
        // Look for flag bit 3
        if (($p_local_header['flag'] & 8) == 8) {
            $p_local_header['size'] = $p_central_header['size'];
            $p_local_header['compressed_size'] = $p_central_header['compressed_size'];
            $p_local_header['crc'] = $p_central_header['crc'];
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privReadEndCentralDir()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    public function privReadEndCentralDir(&$p_central_dir)
    {
        $v_result = 1;
        // Go to the end of the zip file
        $v_size = filesize($this->zipname);
        @fseek($this->zip_fd, $v_size);
        if (@ftell($this->zip_fd) != $v_size) {
            // Error log
            $this->privErrorLog(self::ERR_BAD_FORMAT, 'Unable to go to the end of the archive \''.$this->zipname.'\'');
            return self::errorCode();
        }
        // First try : look if this is an archive with no commentaries (most of the time)
        // in this case the end of central dir is at 22 bytes of the file end
        $v_found = 0;
        if ($v_size > 26) {
            @fseek($this->zip_fd, $v_size-22);
            if (($v_pos = @ftell($this->zip_fd)) != ($v_size-22)) {
              // Error log
              $this->privErrorLog(self::ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
              return self::errorCode();
            }
            // Read for bytes
            $v_binary_data = @fread($this->zip_fd, 4);
            $v_data = @unpack('Vid', $v_binary_data);
            // Check signature
            if ($v_data['id'] == 0x06054b50) {
                $v_found = 1;
            }
            $v_pos = ftell($this->zip_fd);
        }
        // Go back to the maximum possible size of the Central Dir End Record
        if (!$v_found) {
            $v_maximum_size = 65557; // 0xFFFF + 22;
            if ($v_maximum_size > $v_size) {
                $v_maximum_size = $v_size;
            }
            @fseek($this->zip_fd, $v_size-$v_maximum_size);
            if (@ftell($this->zip_fd) != ($v_size-$v_maximum_size)) {
                // Error log
                $this->privErrorLog(self::ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \''.$this->zipname.'\'');
                return self::errorCode();
            }
            // Read byte per byte in order to find the signature
            $v_pos = ftell($this->zip_fd);
            $v_bytes = 0x00000000;
            while ($v_pos < $v_size) {
                // Read a byte
                $v_byte = @fread($this->zip_fd, 1);
                //  Add the byte
                //$v_bytes = ($v_bytes << 8) | Ord($v_byte);
                // Note we mask the old value down such that once shifted we can never end up with more than a 32bit number
                // Otherwise on systems where we have 64bit integers the check below for the magic number will fail.
                $v_bytes = ( ($v_bytes & 0xFFFFFF) << 8) | Ord($v_byte);
                // Compare the bytes
                if ($v_bytes == 0x504b0506) {
                    $v_pos++;
                    break;
                }
                $v_pos++;
            }
            // Look if not found end of central dir
            if ($v_pos == $v_size) {
                // Error log
                $this->privErrorLog(self::ERR_BAD_FORMAT, "Unable to find End of Central Dir Record signature");
                return self::errorCode();
            }
        }
        // Read the first 18 bytes of the header
        $v_binary_data = fread($this->zip_fd, 18);
        // Look for invalid block size
        if (strlen($v_binary_data) != 18) {
          // Error log
            $this->privErrorLog(self::ERR_BAD_FORMAT, "Invalid End of Central Dir Record size : ".strlen($v_binary_data));
            return self::errorCode();
        }
        // Extract the values
        $v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $v_binary_data);
        // Check the global size
        if (($v_pos + $v_data['comment_size'] + 18) != $v_size) {
            // Removed in release 2.2 see readme file
            // The check of the file size is a little too strict.
            // Some bugs where found when a zip is encrypted/decrypted with 'crypt'.
            // While decrypted, zip has training 0 bytes
            if (0) {
                // Error log
                $this->privErrorLog(
                    self::ERR_BAD_FORMAT,
                    'The central dir is not at the end of the archive. Some trailing bytes exists after the archive.'
                );
                return self::errorCode();
            }
        }
        // Get comment
        if ($v_data['comment_size'] != 0) {
            $p_central_dir['comment'] = fread($this->zip_fd, $v_data['comment_size']);
        } else {
            $p_central_dir['comment'] = '';
        }
        $p_central_dir['entries']      = $v_data['entries'];
        $p_central_dir['disk_entries'] = $v_data['disk_entries'];
        $p_central_dir['offset']       = $v_data['offset'];
        $p_central_dir['size']         = $v_data['size'];
        $p_central_dir['disk']         = $v_data['disk'];
        $p_central_dir['disk_start']   = $v_data['disk_start'];
        // TBC
        //for(reset($p_central_dir); $key = key($p_central_dir); next($p_central_dir)) {
        //}
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privDeleteByRule()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privDeleteByRule(&$p_result_list, &$p_options)
    {
        $v_result = 1;
        $v_list_detail = array();
        // Open the zip file
        if (($v_result=$this->privOpenFd('rb')) != 1) {
            return $v_result;
        }
        // Read the central directory informations
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
            $this->privCloseFd();
            return $v_result;
        }
        // Go to beginning of File
        @rewind($this->zip_fd);
        // Scan all the files
        // Start at beginning of Central Dir
        $v_pos_entry = $v_central_dir['offset'];
        @rewind($this->zip_fd);
        if (@fseek($this->zip_fd, $v_pos_entry)) {
            // Close the zip file
            $this->privCloseFd();
            // Error log
            $this->privErrorLog(self::ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
            return self::errorCode();
        }
        // Read each entry
        $v_header_list = array();
        $j_start = 0;
        for ($i=0, $v_nb_extracted=0; $i<$v_central_dir['entries']; $i++) {
            // Read the file header
            $v_header_list[$v_nb_extracted] = array();
            if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1) {
                // Close the zip file
                $this->privCloseFd();
                return $v_result;
            }
            // Store the index
            $v_header_list[$v_nb_extracted]['index'] = $i;
            // Look for the specific extract rules
            $v_found = false;
            // Look for extract by name rule
            if ((isset($p_options[self::OPT_BY_NAME])) && ($p_options[self::OPT_BY_NAME] != 0)) {
                // Look if the filename is in the list
                for ($j=0; ($j<sizeof($p_options[self::OPT_BY_NAME])) && (!$v_found); $j++) {
                    // Look for a directory
                    if (substr($p_options[self::OPT_BY_NAME][$j], -1) == "/") {
                        // Look if the directory is in the filename path
                        if (
                            (strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_options[self::OPT_BY_NAME][$j])) &&
                            (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[self::OPT_BY_NAME][$j]))
                                == $p_options[self::OPT_BY_NAME][$j])
                        ) {
                            $v_found = true;
                        } elseif (
                            (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) && /* Indicates a folder */
                            ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_options[self::OPT_BY_NAME][$j])
                        ) {
                            $v_found = true;
                        }
                    } elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[self::OPT_BY_NAME][$j]) {
                        // Look for a filename
                        $v_found = true;
                    }
                }
            } else if (   (isset($p_options[self::OPT_BY_PREG]))
                     && ($p_options[self::OPT_BY_PREG] != "")) {
            // Look for extract by ereg rule
            // ereg() is deprecated with PHP 5.3
            /*
            else if (   (isset($p_options[PCLZIP_OPT_BY_EREG]))
                     && ($p_options[PCLZIP_OPT_BY_EREG] != "")) {
                if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
                    $v_found = true;
                }
            }
            */
                // Look for extract by preg rule
                if (preg_match($p_options[self::OPT_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
                    $v_found = true;
                }
            } else if ((isset($p_options[self::OPT_BY_INDEX])) && ($p_options[self::OPT_BY_INDEX] != 0)) {
                // Look for extract by index rule
                // Look if the index is in the list
                for ($j=$j_start; ($j<sizeof($p_options[self::OPT_BY_INDEX])) && (!$v_found); $j++) {
                    if (($i>=$p_options[self::OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[self::OPT_BY_INDEX][$j]['end'])) {
                        $v_found = true;
                    }
                    if ($i>=$p_options[self::OPT_BY_INDEX][$j]['end']) {
                        $j_start = $j+1;
                    }
                    if ($p_options[self::OPT_BY_INDEX][$j]['start']>$i) {
                        break;
                    }
                }
            } else {
                $v_found = true;
            }
            // Look for deletion
            if ($v_found) {
                unset($v_header_list[$v_nb_extracted]);
            } else {
                $v_nb_extracted++;
            }
        }
        // Look if something need to be deleted
        if ($v_nb_extracted > 0) {
            // Creates a temporay file
            $v_zip_temp_name = self::TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
            // Creates a temporary zip archive
            $sClass = __CLASS__;
            $v_temp_zip = new $sClass($v_zip_temp_name);
            // Open the temporary zip file in write mode
            if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1) {
                $this->privCloseFd();
                return $v_result;
            }
            // Look which file need to be kept
            for ($i=0; $i<sizeof($v_header_list); $i++) {
                // Calculate the position of the header
                @rewind($this->zip_fd);
                if (@fseek($this->zip_fd,  $v_header_list[$i]['offset'])) {
                    // Close the zip file
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    // Error log
                    $this->privErrorLog(self::ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
                    return self::errorCode();
                }
                // Read the file header
                $v_local_header = array();
                if (($v_result = $this->privReadFileHeader($v_local_header)) != 1) {
                    // Close the zip file
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
                // Check that local file header is same as central file header
                if ($this->privCheckFileHeaders($v_local_header, $v_header_list[$i]) != 1) {
                    // TBC
                }
                unset($v_local_header);
                // Write the file header
                if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1) {
                    // Close the zip file
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
                // Read/write the data block
                if (($v_result = self::UtilCopyBlock(
                    $this->zip_fd,
                    $v_temp_zip->zip_fd,
                    $v_header_list[$i]['compressed_size'])) != 1
                ) {
                    // Close the zip file
                    $this->privCloseFd();
                    $v_temp_zip->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
            }
            // Store the offset of the central dir
            $v_offset = @ftell($v_temp_zip->zip_fd);
            // Re-Create the Central Dir files header
            for ($i=0; $i<sizeof($v_header_list); $i++) {
                // Create the file header
                if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
                    $v_temp_zip->privCloseFd();
                    $this->privCloseFd();
                    @unlink($v_zip_temp_name);
                    return $v_result;
                }
                // Transform the header to a 'usable' info
                $v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
            }
            // Zip file comment
            $v_comment = '';
            if (isset($p_options[self::OPT_COMMENT])) {
                $v_comment = $p_options[self::OPT_COMMENT];
            }
            // Calculate the size of the central header
            $v_size = @ftell($v_temp_zip->zip_fd)-$v_offset;
            // Create the central dir footer
            if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment)) != 1) {
                // Reset the file list
                unset($v_header_list);
                $v_temp_zip->privCloseFd();
                $this->privCloseFd();
                @unlink($v_zip_temp_name);
                return $v_result;
            }
            // Close
            $v_temp_zip->privCloseFd();
            $this->privCloseFd();
            // Delete the zip file
            // TBC : I should test the result ...
            @unlink($this->zipname);
            // Rename the temporary file
            // TBC : I should test the result ...
            //@rename($v_zip_temp_name, $this->zipname);
            self::UtilRename($v_zip_temp_name, $this->zipname);
            // Destroy the temporary archive
            unset($v_temp_zip);
        } else if ($v_central_dir['entries'] != 0) {
            // Remove every files : reset the file
            $this->privCloseFd();
            if (($v_result = $this->privOpenFd('wb')) != 1) {
                return $v_result;
            }
            if (($v_result = $this->privWriteCentralHeader(0, 0, 0, '')) != 1) {
                return $v_result;
            }
            $this->privCloseFd();
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privDirCheck()
  // Description :
  //   Check if a directory exists, if not it creates it and all the parents directory
  //   which may be useful.
  // Parameters :
  //   $p_dir : Directory path to check.
  // Return Values :
  //    1 : OK
  //   -1 : Unable to create directory
  // --------------------------------------------------------------------------------
    protected function privDirCheck($p_dir, $p_is_dir=false)
    {
        $v_result = 1;
        // Remove the final '/'
        if (($p_is_dir) && (substr($p_dir, -1)=='/')) {
            $p_dir = substr($p_dir, 0, strlen($p_dir)-1);
        }
        // Check the directory availability
        if ((is_dir($p_dir)) || ($p_dir == '')) {
            return 1;
        }
        // Extract parent directory
        $p_parent_dir = dirname($p_dir);
        // Just a check
        if ($p_parent_dir != $p_dir) {
            // Look for parent directory
            if ($p_parent_dir != '') {
                if (($v_result = $this->privDirCheck($p_parent_dir)) != 1) {
                    return $v_result;
                }
            }
        }
        // Create the directory
        if (!@mkdir($p_dir, 0777)) {
            // Error log
            $this->privErrorLog(self::ERR_DIR_CREATE_FAIL, 'Unable to create directory \''.$p_dir.'\'');
            return self::errorCode();
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privMerge()
  // Description :
  //   If $p_archive_to_add does not exist, the function exit with a success result.
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privMerge(&$p_archive_to_add)
    {
        $v_result = 1;
        // Look if the archive_to_add exists
        if (!is_file($p_archive_to_add->zipname)) {
            // Nothing to merge, so merge is a success
            $v_result = 1;
            return $v_result;
        }
        // Look if the archive exists
        if (!is_file($this->zipname)) {
            // Do a duplicate
            $v_result = $this->privDuplicate($p_archive_to_add->zipname);
            return $v_result;
        }
        // Open the zip file
        if (($v_result=$this->privOpenFd('rb')) != 1) {
            return $v_result;
        }
        // Read the central directory informations
        $v_central_dir = array();
        if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
            $this->privCloseFd();
            return $v_result;
        }
        // Go to beginning of File
        @rewind($this->zip_fd);
        // Open the archive_to_add file
        if (($v_result=$p_archive_to_add->privOpenFd('rb')) != 1) {
            $this->privCloseFd();
            return $v_result;
        }
        // Read the central directory informations
        $v_central_dir_to_add = array();
        if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1) {
            $this->privCloseFd();
            $p_archive_to_add->privCloseFd();
            return $v_result;
        }
        // Go to beginning of File
        @rewind($p_archive_to_add->zip_fd);
        // Creates a temporay file
        $v_zip_temp_name = self::TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
        // Open the temporary file in write mode
        if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
            $this->privCloseFd();
            $p_archive_to_add->privCloseFd();
            $this->privErrorLog(
                self::ERR_READ_OPEN_FAIL,
                'Unable to open temporary file \''.$v_zip_temp_name.'\' in binary write mode'
            );
            return self::errorCode();
        }
        // Copy the files from the archive to the temporary file
        // TBC : Here I should better append the file and go back to erase the central dir
        $v_size = $v_central_dir['offset'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = fread($this->zip_fd, $v_read_size);
            @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Copy the files from the archive_to_add into the temporary file
        $v_size = $v_central_dir_to_add['offset'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = fread($p_archive_to_add->zip_fd, $v_read_size);
            @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Store the offset of the central dir
        $v_offset = @ftell($v_zip_temp_fd);
        // Copy the block of file headers from the old archive
        $v_size = $v_central_dir['size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @fread($this->zip_fd, $v_read_size);
            @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Copy the block of file headers from the archive_to_add
        $v_size = $v_central_dir_to_add['size'];
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = @fread($p_archive_to_add->zip_fd, $v_read_size);
            @fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Merge the file comments
        $v_comment = $v_central_dir['comment'].' '.$v_central_dir_to_add['comment'];
        // Calculate the size of the (new) central header
        $v_size = @ftell($v_zip_temp_fd)-$v_offset;
        // Swap the file descriptor
        // Here is a trick : I swap the temporary fd with the zip fd, in order to use
        // the following methods on the temporary fil and not the real archive fd
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        // Create the central dir footer
        if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries']+$v_central_dir_to_add['entries'], $v_size, $v_offset, $v_comment)) != 1) {
            $this->privCloseFd();
            $p_archive_to_add->privCloseFd();
            @fclose($v_zip_temp_fd);
            $this->zip_fd = null;
            // Reset the file list
            unset($v_header_list);
            return $v_result;
        }
        // Swap back the file descriptor
        $v_swap = $this->zip_fd;
        $this->zip_fd = $v_zip_temp_fd;
        $v_zip_temp_fd = $v_swap;
        // Close
        $this->privCloseFd();
        $p_archive_to_add->privCloseFd();
        // Close the temporary file
        @fclose($v_zip_temp_fd);
        // Delete the zip file
        // TBC : I should test the result ...
        @unlink($this->zipname);
        // Rename the temporary file
        // TBC : I should test the result ...
        //@rename($v_zip_temp_name, $this->zipname);
        self::UtilRename($v_zip_temp_name, $this->zipname);
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privDuplicate()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privDuplicate($p_archive_filename)
    {
        $v_result = 1;
        // Look if the $p_archive_filename exists
        if (!is_file($p_archive_filename)) {
            // Nothing to duplicate, so duplicate is a success.
            $v_result = 1;
            return $v_result;
        }
        // Open the zip file
        if (($v_result=$this->privOpenFd('wb')) != 1) {
            return $v_result;
        }
        // Open the temporary file in write mode
        if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0) {
            $this->privCloseFd();
            $this->privErrorLog(self::ERR_READ_OPEN_FAIL, 'Unable to open archive file \''.$p_archive_filename.'\' in binary write mode');
            return self::errorCode();
        }
        // Copy the files from the archive to the temporary file
        // TBC : Here I should better append the file and go back to erase the central dir
        $v_size = filesize($p_archive_filename);
        while ($v_size != 0) {
            $v_read_size = ($v_size < self::READ_BLOCK_SIZE ? $v_size : self::READ_BLOCK_SIZE);
            $v_buffer = fread($v_zip_temp_fd, $v_read_size);
            @fwrite($this->zip_fd, $v_buffer, $v_read_size);
            $v_size -= $v_read_size;
        }
        // Close
        $this->privCloseFd();
        // Close the temporary file
        @fclose($v_zip_temp_fd);
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privErrorLog()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    protected function privErrorLog($p_error_code=0, $p_error_string='')
    {
        if (self::ERROR_EXTERNAL == 1) {
            PclError($p_error_code, $p_error_string);
        } else {
            $this->error_code = $p_error_code;
            $this->error_string = $p_error_string;
        }
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privErrorReset()
  // Description :
  // Parameters :
  // --------------------------------------------------------------------------------
    protected function privErrorReset()
    {
        if (self::ERROR_EXTERNAL == 1) {
            PclErrorReset();
        } else {
            $this->error_code = 0;
            $this->error_string = '';
        }
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privDisableMagicQuotes()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privDisableMagicQuotes()
    {
        $v_result = 1;
        // Look if function exists
        if ((!function_exists('get_magic_quotes_runtime')) || (!function_exists('set_magic_quotes_runtime'))) {
            return $v_result;
        }
        // Look if already done
        if ($this->magic_quotes_status != -1) {
            return $v_result;
        }
        // Get and memorize the magic_quote value
        $this->magic_quotes_status = @get_magic_quotes_runtime();
        // Disable magic_quotes
        if ($this->magic_quotes_status == 1) {
            @set_magic_quotes_runtime(0);
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : privSwapBackMagicQuotes()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    protected function privSwapBackMagicQuotes()
    {
        $v_result = 1;
        // Look if function exists
        if ((!function_exists('get_magic_quotes_runtime')) || (!function_exists('set_magic_quotes_runtime'))) {
            return $v_result;
        }
        // Look if something to do
        if ($this->magic_quotes_status != -1) {
            return $v_result;
        }
        // Swap back magic_quotes
        if ($this->magic_quotes_status == 1) {
            @set_magic_quotes_runtime($this->magic_quotes_status);
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

/**
 * get all
 * @staticvar null $aFullList
 * @return array
 */
    protected static function getClassConstants()
    {
        static $aFullList = null; // list caching
        if ($aFullList === null) {
            // load cache
            $reflect = new ReflectionClass(__CLASS__);
            // read list of constants and remove unneeded from list
            $aFullList = array_diff_key(
                $reflect->getConstants(),
                array_flip(
                    array(
                        'READ_BLOCK_SIZE','SEPARATOR','ERROR_EXTERNAL',
                        'TEMPORARY_DIR', 'TEMPORARY_FILE_RATIO'
                    )
                )
            );
        }
        return $aFullList;
    }

  // --------------------------------------------------------------------------------
  // Function : UtilPathReduction()
  // Description :
  // Parameters :
  // Return Values :
  // --------------------------------------------------------------------------------
    public static function UtilPathReduction($p_dir)
    {
        $v_result = '';
        // Look for not empty path
        if ($p_dir != "") {
            // Explode path by directory names
            $v_list = explode("/", $p_dir);
            // Study directories from last to first
            $v_skip = 0;
            for ($i=sizeof($v_list)-1; $i>=0; $i--) {
                // Look for current path
                if ($v_list[$i] == ".") {
                  // Ignore this directory
                  // Should be the first $i=0, but no check is done
                } else if ($v_list[$i] == "..") {
                    $v_skip++;
                } else if ($v_list[$i] == "") {
                // First '/' i.e. root slash
                    if ($i == 0) {
                        $v_result = "/".$v_result;
                        if ($v_skip > 0) {
                            // It is an invalid path, so the path is not modified
                            // TBC
                            $v_result = $p_dir;
                            $v_skip = 0;
                        }
                    } else if ($i == (sizeof($v_list)-1)) {
                        // Last '/' i.e. indicates a directory
                        $v_result = $v_list[$i];
                    } else {
                        // Double '/' inside the path
                        // Ignore only the double '//' in path,
                        // but not the first and last '/'
                    }
                } else {
                    // Look for item to skip
                    if ($v_skip > 0) {
                        $v_skip--;
                    } else {
                        $v_result = $v_list[$i].($i!=(sizeof($v_list)-1)?"/".$v_result:"");
                    }
                }
            }
            // Look for skip
            if ($v_skip > 0) {
                while ($v_skip > 0) {
                    $v_result = '../'.$v_result;
                    $v_skip--;
                }
            }
        }
        // Return
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : self::UtilPathInclusion()
  // Description :
  //   This function indicates if the path $p_path is under the $p_dir tree. Or,
  //   said in an other way, if the file or sub-dir $p_path is inside the dir
  //   $p_dir.
  //   The function indicates also if the path is exactly the same as the dir.
  //   This function supports path with duplicated '/' like '//', but does not
  //   support '.' or '..' statements.
  // Parameters :
  // Return Values :
  //   0 if $p_path is not inside directory $p_dir
  //   1 if $p_path is inside directory $p_dir
  //   2 if $p_path is exactly the same as $p_dir
  // --------------------------------------------------------------------------------
    public static function UtilPathInclusion($p_dir, $p_path)
    {
        $v_result = 1;
        // Look for path beginning by ./
        if (($p_dir == '.') || ((strlen($p_dir) >=2) && (substr($p_dir, 0, 2) == './'))) {
            $p_dir = self::UtilTranslateWinPath(getcwd(), false).'/'.substr($p_dir, 1);
        }
        if (($p_path == '.') || ((strlen($p_path) >=2) && (substr($p_path, 0, 2) == './'))) {
            $p_path = self::UtilTranslateWinPath(getcwd(), false).'/'.substr($p_path, 1);
        }
        // Explode dir and path by directory separator
        $v_list_dir       = explode("/", $p_dir);
        $v_list_dir_size  = sizeof($v_list_dir);
        $v_list_path      = explode("/", $p_path);
        $v_list_path_size = sizeof($v_list_path);
        // Study directories paths
        $i = 0;
        $j = 0;
        while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) {
            // Look for empty dir (path reduction)
            if ($v_list_dir[$i] == '') {
                $i++;
                continue;
            }
            if ($v_list_path[$j] == '') {
                $j++;
                continue;
            }
            // Compare the items
            if (($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != '')) {
                $v_result = 0;
            }
            // Next items
            $i++;
            $j++;
        }
        // Look if everything seems to be the same
        if ($v_result) {
            // Skip all the empty items
            while (($j < $v_list_path_size) && ($v_list_path[$j] == '')) { $j++; }
            while (($i < $v_list_dir_size) && ($v_list_dir[$i] == '')) { $i++; }
            if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) {
                // There are exactly the same
                $v_result = 2;
            } else if ($i < $v_list_dir_size) {
                // The path is shorter than the dir
                $v_result = 0;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : self::UtilCopyBlock()
  // Description :
  // Parameters :
  //   $p_mode : read/write compression mode
  //             0 : src & dest normal
  //             1 : src gzip, dest normal
  //             2 : src normal, dest gzip
  //             3 : src & dest gzip
  // Return Values :
  // --------------------------------------------------------------------------------
    public static function UtilCopyBlock($p_src, $p_dest, $p_size, $p_mode=0)
    {
        $v_result = 1;
        if ($p_mode==0) {
            while ($p_size != 0) {
                $v_read_size = ($p_size < self::READ_BLOCK_SIZE ? $p_size : self::READ_BLOCK_SIZE);
                $v_buffer = @fread($p_src, $v_read_size);
                @fwrite($p_dest, $v_buffer, $v_read_size);
                $p_size -= $v_read_size;
            }
        } else if ($p_mode==1) {
            while ($p_size != 0) {
                $v_read_size = ($p_size < self::READ_BLOCK_SIZE ? $p_size : self::READ_BLOCK_SIZE);
                $v_buffer = @gzread($p_src, $v_read_size);
                @fwrite($p_dest, $v_buffer, $v_read_size);
                $p_size -= $v_read_size;
            }
        } else if ($p_mode==2) {
            while ($p_size != 0) {
                $v_read_size = ($p_size < self::READ_BLOCK_SIZE ? $p_size : self::READ_BLOCK_SIZE);
                $v_buffer = @fread($p_src, $v_read_size);
                @gzwrite($p_dest, $v_buffer, $v_read_size);
                $p_size -= $v_read_size;
            }
        } else if ($p_mode==3) {
            while ($p_size != 0) {
                $v_read_size = ($p_size < self::READ_BLOCK_SIZE ? $p_size : self::READ_BLOCK_SIZE);
                $v_buffer = @gzread($p_src, $v_read_size);
                @gzwrite($p_dest, $v_buffer, $v_read_size);
                $p_size -= $v_read_size;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : self::UtilRename()
  // Description :
  //   This function tries to do a simple rename() function. If it fails, it
  //   tries to copy the $p_src file in a new $p_dest file and then unlink the
  //   first one.
  // Parameters :
  //   $p_src : Old filename
  //   $p_dest : New filename
  // Return Values :
  //   1 on success, 0 on failure.
  // --------------------------------------------------------------------------------
    public static function UtilRename($p_src, $p_dest)
    {
        $v_result = 1;
        // Try to rename the files
        if (!@rename($p_src, $p_dest)) {
            // Try to copy & unlink the src
            if (!@copy($p_src, $p_dest)) {
                $v_result = 0;
            } else if (!@unlink($p_src)) {
                $v_result = 0;
            }
        }
        return $v_result;
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : self::UtilOptionText()
  // Description :
  //   Translate option value in text. Mainly for debug purpose.
  // Parameters :
  //   $p_option : the option value.
  // Return Values :
  //   The option text value.
  // --------------------------------------------------------------------------------
    public static function UtilOptionText($p_option)
    {
        // search the const whitch is defined to $p_option
        $aResult = array_filter(
            self::getClassConstants(),
            function ($val) use ($p_option) { return ($p_option == $val); }
        );
        return ($aResult ? key($aResult) : 'Unknown');
    }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : self::UtilTranslateWinPath()
  // Description :
  //   Translate windows path by replacing '\' by '/' and optionally removing
  //   drive letter.
  // Parameters :
  //   $p_path : path to translate.
  //   $p_remove_disk_letter : true | false
  // Return Values :
  //   The path translated.
  // --------------------------------------------------------------------------------
    public static function UtilTranslateWinPath($p_path, $p_remove_disk_letter=true)
    {
        if (stristr(php_uname(), 'windows')) {
            // Look for potential disk letter
            if (($p_remove_disk_letter) && (($v_position = strpos($p_path, ':')) != false)) {
                $p_path = substr($p_path, $v_position+1);
            }
            // Change potential windows directory separator
            $p_path = str_replace('\\', '/', $p_path);
//            if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0,1) == '\\')) {
//                $p_path = strtr($p_path, '\\', '/');
//            }
        }
        return $p_path;
    }
  // --------------------------------------------------------------------------------
} // End of class
  // --------------------------------------------------------------------------------
// end of file