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4
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ryan
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<?php
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1362
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Luisehahne
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/**
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*
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* @category framework
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* @package database
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* @author WebsiteBaker Project
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* @copyright 2004-2009, Ryan Djurovich
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* @copyright 2009-2011, Website Baker Org. e.V.
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* @link http://www.websitebaker2.org/
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* @license http://www.gnu.org/licenses/gpl.html
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* @platform WebsiteBaker 2.8.x
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1374
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Luisehahne
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* @requirements PHP 5.2.2 and higher
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1362
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Luisehahne
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* @version $Id$
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1457
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Luisehahne
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* @filesource $HeadURL$
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* @lastmodified $Date$
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1362
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Luisehahne
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*
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*/
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4
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ryan
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/*
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Database class
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This class will be used to interface between the database
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and the Website Baker code
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*/
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1496
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DarkViper
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/* -------------------------------------------------------- */
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// Must include code to stop this file being accessed directly
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1499
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DarkViper
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if(!defined('WB_PATH')) {
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require_once(dirname(__FILE__).'/globalExceptionHandler.php');
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throw new IllegalFileException();
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}
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1496
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DarkViper
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/* -------------------------------------------------------- */
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4
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ryan
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if(!defined('DB_URL')) {
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//define('DB_URL', DB_TYPE.'://'.DB_USERNAME.':'.DB_PASSWORD.'@'.DB_HOST.'/'.DB_NAME);
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}
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define('DATABASE_CLASS_LOADED', true);
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class database {
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Luisehahne
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private $db_handle = null; // readonly from outside
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private $connected = false;
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private $error = '';
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private $error_type = '';
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private $message = array();
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4
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ryan
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// Set DB_URL
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function database($url = '') {
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// Connect to database
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$this->connect();
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// Check for database connection error
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if($this->is_error()) {
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die($this->get_error());
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}
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}
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// Connect to the database
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function connect() {
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$status = $this->db_handle = mysql_connect(DB_HOST, DB_USERNAME, DB_PASSWORD);
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if(mysql_error()) {
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$this->connected = false;
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$this->error = mysql_error();
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} else {
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if(!mysql_select_db(DB_NAME)) {
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$this->connected = false;
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$this->error = mysql_error();
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} else {
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$this->connected = true;
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}
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}
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return $this->connected;
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}
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// Disconnect from the database
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function disconnect() {
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95
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stefan
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if($this->connected==true) {
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4
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ryan
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mysql_close();
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return true;
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} else {
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return false;
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}
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}
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// Run a query
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function query($statement) {
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$mysql = new mysql();
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$mysql->query($statement);
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342
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stefan
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$this->set_error($mysql->error());
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4
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ryan
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if($mysql->error()) {
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return null;
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} else {
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return $mysql;
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}
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}
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Luisehahne
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4
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ryan
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// Gets the first column of the first row
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function get_one( $statement )
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{
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$fetch_row = mysql_fetch_array(mysql_query($statement) );
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4
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ryan
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$result = $fetch_row[0];
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342
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stefan
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$this->set_error(mysql_error());
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4
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ryan
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if(mysql_error()) {
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return null;
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} else {
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return $result;
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}
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}
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// Set the DB error
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function set_error($message = null) {
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global $TABLE_DOES_NOT_EXIST, $TABLE_UNKNOWN;
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$this->error = $message;
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if(strpos($message, 'no such table')) {
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$this->error_type = $TABLE_DOES_NOT_EXIST;
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} else {
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$this->error_type = $TABLE_UNKNOWN;
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}
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}
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// Return true if there was an error
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function is_error() {
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return (!empty($this->error)) ? true : false;
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}
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// Return the error
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function get_error() {
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return $this->error;
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}
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1362
|
Luisehahne
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/*
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* default Getter
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*/
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public function __get($var_name)
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{
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if($var_name == 'db_handle')
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{
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return $this->db_handle;
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}
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return null;
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $field_name: name of the field to seek for
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* @return bool: true if field exists
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*/
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public function field_exists($table_name, $field_name)
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{
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$sql = 'DESCRIBE `'.$table_name.'` `'.$field_name.'` ';
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$query = $this->query($sql);
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return ($query->numRows() != 0);
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $index_name: name of the index to seek for
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* @return bool: true if field exists
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*/
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public function index_exists($table_name, $index_name, $number_fields = 0)
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{
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$number_fields = intval($number_fields);
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$keys = 0;
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$sql = 'SHOW INDEX FROM `'.$table_name.'`';
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if( ($res_keys = $this->query($sql)) )
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{
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while(($rec_key = $res_keys->fetchRow()))
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{
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if( $rec_key['Key_name'] == $index_name )
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{
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$keys++;
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}
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}
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}
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if( $number_fields == 0 )
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{
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return ($keys != $number_fields);
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}else
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{
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return ($keys == $number_fields);
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}
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $field_name: name of the field to add
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* @param string $description: describes the new field like ( INT NOT NULL DEFAULT '0')
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* @return bool: true if successful, otherwise false and error will be set
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*/
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public function field_add($table_name, $field_name, $description)
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{
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| 191 |
1442
|
Luisehahne
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if( !$this->field_exists($table_name, $field_name) )
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| 192 |
1362
|
Luisehahne
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{ // add new field into a table
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$sql = 'ALTER TABLE `'.$table_name.'` ADD '.$field_name.' '.$description.' ';
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$query = $this->query($sql);
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$this->set_error(mysql_error());
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if( !$this->is_error() )
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{
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| 198 |
1442
|
Luisehahne
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return ( $this->field_exists($table_name, $field_name) ) ? true : false;
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| 199 |
1362
|
Luisehahne
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}
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| 200 |
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}else
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{
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| 202 |
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$this->set_error('field \''.$field_name.'\' already exists');
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}
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return false;
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}
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| 206 |
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| 207 |
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/*
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| 208 |
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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| 209 |
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* @param string $field_name: name of the field to add
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| 210 |
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* @param string $description: describes the new field like ( INT NOT NULL DEFAULT '0')
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| 211 |
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* @return bool: true if successful, otherwise false and error will be set
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| 212 |
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*/
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| 213 |
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public function field_modify($table_name, $field_name, $description)
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| 214 |
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{
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| 215 |
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$retval = false;
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| 216 |
1486
|
DarkViper
|
if( $this->field_exists($table_name, $field_name) )
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| 217 |
1362
|
Luisehahne
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{ // modify a existing field in a table
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| 218 |
1486
|
DarkViper
|
$sql = 'ALTER TABLE `'.$table_name.'` MODIFY `'.$field_name.'` '.$description;
|
| 219 |
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$retval = ( $this->query($sql) ? true : false);
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| 220 |
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$this->set_error(mysql_error());
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| 221 |
1362
|
Luisehahne
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}
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| 222 |
1486
|
DarkViper
|
return $retval;
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| 223 |
1362
|
Luisehahne
|
}
|
| 224 |
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| 225 |
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/*
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| 226 |
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
|
| 227 |
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* @param string $field_name: name of the field to remove
|
| 228 |
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* @return bool: true if successful, otherwise false and error will be set
|
| 229 |
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*/
|
| 230 |
|
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public function field_remove($table_name, $field_name)
|
| 231 |
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{
|
| 232 |
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$retval = false;
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| 233 |
1507
|
Luisehahne
|
if( $this->field_exists($table_name, $field_name) )
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| 234 |
1362
|
Luisehahne
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{ // modify a existing field in a table
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| 235 |
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$sql = 'ALTER TABLE `'.$table_name.'` DROP `'.$field_name.'`';
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| 236 |
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$retval = ( $this->query($sql) ? true : false );
|
| 237 |
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}
|
| 238 |
|
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return $retval;
|
| 239 |
|
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}
|
| 240 |
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|
| 241 |
|
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/*
|
| 242 |
|
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
|
| 243 |
|
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* @param string $index_name: name of the new index
|
| 244 |
|
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* @param string $field_list: comma seperated list of fields for this index
|
| 245 |
|
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* @param string $index_type: kind of index (UNIQUE, PRIMARY, '')
|
| 246 |
|
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* @return bool: true if successful, otherwise false and error will be set
|
| 247 |
|
|
*/
|
| 248 |
|
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public function index_add($table_name, $index_name, $field_list, $index_type = '')
|
| 249 |
|
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{
|
| 250 |
|
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$retval = false;
|
| 251 |
|
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$field_list = str_replace(' ', '', $field_list);
|
| 252 |
|
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$field_list = explode(',', $field_list);
|
| 253 |
|
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$number_fields = sizeof($field_list);
|
| 254 |
|
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$field_list = '`'.implode('`,`', $field_list).'`';
|
| 255 |
|
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if( $this->index_exists($table_name, $index_name, $number_fields) ||
|
| 256 |
|
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$this->index_exists($table_name, $index_name))
|
| 257 |
|
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{
|
| 258 |
|
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$sql = 'ALTER TABLE `'.$table_name.'` ';
|
| 259 |
|
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$sql .= 'DROP INDEX `'.$index_name.'`';
|
| 260 |
|
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if( $this->query($sql))
|
| 261 |
|
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{
|
| 262 |
|
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$sql = 'ALTER TABLE `'.$table_name.'` ';
|
| 263 |
|
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$sql .= 'ADD '.$index_type.' `'.$index_name.'` ( '.$field_list.' ); ';
|
| 264 |
|
|
if( $this->query($sql)) { $retval = true; }
|
| 265 |
|
|
}
|
| 266 |
|
|
}
|
| 267 |
|
|
return $retval;
|
| 268 |
|
|
}
|
| 269 |
|
|
|
| 270 |
|
|
/*
|
| 271 |
|
|
* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
|
| 272 |
|
|
* @param string $field_name: name of the field to remove
|
| 273 |
|
|
* @return bool: true if successful, otherwise false and error will be set
|
| 274 |
|
|
*/
|
| 275 |
|
|
public function index_remove($table_name, $index_name)
|
| 276 |
|
|
{
|
| 277 |
|
|
$retval = false;
|
| 278 |
|
|
if( $this->index_exists($table_name, $index_name) )
|
| 279 |
|
|
{ // modify a existing field in a table
|
| 280 |
|
|
$sql = 'ALTER TABLE `'.$table_name.'` DROP INDEX `'.$index_name.'`';
|
| 281 |
|
|
$retval = ( $this->query($sql) ? true : false );
|
| 282 |
|
|
}
|
| 283 |
|
|
return $retval;
|
| 284 |
|
|
}
|
| 285 |
1586
|
darkviper
|
/**
|
| 286 |
|
|
* Import a standard *.sql dump file
|
| 287 |
|
|
* @param string $sSqlDump link to the sql-dumpfile
|
| 288 |
|
|
* @param string $sTablePrefix
|
| 289 |
1591
|
darkviper
|
* @param bool $bPreserve set to true will ignore all DROP TABLE statements
|
| 290 |
1586
|
darkviper
|
* @param string $sTblEngine
|
| 291 |
|
|
* @param string $sTblCollation
|
| 292 |
|
|
* @return boolean true if import successful
|
| 293 |
|
|
*/
|
| 294 |
|
|
public function SqlImport($sSqlDump,
|
| 295 |
|
|
$sTablePrefix = '',
|
| 296 |
1591
|
darkviper
|
$bPreserve = true,
|
| 297 |
1586
|
darkviper
|
$sTblEngine = 'ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci',
|
| 298 |
1591
|
darkviper
|
$sTblCollation = ' collate utf8_unicode_ci')
|
| 299 |
1586
|
darkviper
|
{
|
| 300 |
|
|
$retval = true;
|
| 301 |
|
|
$this->error = '';
|
| 302 |
|
|
$aSearch = array('{TABLE_PREFIX}','{TABLE_ENGINE}', '{TABLE_COLLATION}');
|
| 303 |
|
|
$aReplace = array($sTablePrefix, $sTblEngine, $sTblCollation);
|
| 304 |
|
|
$sql = '';
|
| 305 |
|
|
$aSql = file($sSqlDump);
|
| 306 |
|
|
while ( sizeof($aSql) > 0 ) {
|
| 307 |
|
|
$sSqlLine = trim(array_shift($aSql));
|
| 308 |
1591
|
darkviper
|
if (!preg_match('/^[-\/]+.*/', $sSqlLine)) {
|
| 309 |
1592
|
darkviper
|
$sql = $sql.' '.$sSqlLine;
|
| 310 |
1586
|
darkviper
|
if ((substr($sql,-1,1) == ';')) {
|
| 311 |
|
|
$sql = trim(str_replace( $aSearch, $aReplace, $sql));
|
| 312 |
|
|
if (!($bPreserve && preg_match('/^\s*DROP TABLE IF EXISTS/siU', $sql))) {
|
| 313 |
|
|
if(!mysql_query($sql, $this->db_handle)) {
|
| 314 |
|
|
$retval = false;
|
| 315 |
|
|
$this->error = mysql_error($this->db_handle);
|
| 316 |
|
|
unset($aSql);
|
| 317 |
|
|
break;
|
| 318 |
|
|
}
|
| 319 |
|
|
}
|
| 320 |
|
|
$sql = '';
|
| 321 |
|
|
}
|
| 322 |
|
|
}
|
| 323 |
|
|
}
|
| 324 |
|
|
return $retval;
|
| 325 |
|
|
}
|
| 326 |
1362
|
Luisehahne
|
|
| 327 |
1586
|
darkviper
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/**
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| 328 |
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* retuns the type of the engine used for requested table
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| 329 |
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* @param string $table name of the table, including prefix
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| 330 |
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* @return boolean/string false on error, or name of the engine (myIsam/InnoDb)
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| 331 |
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*/
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| 332 |
1535
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Luisehahne
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public function getTableEngine($table)
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| 333 |
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{
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| 334 |
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$retVal = false;
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| 335 |
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$mysqlVersion = mysql_get_server_info($this->db_handle);
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| 336 |
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$engineValue = (version_compare($mysqlVersion, '5.0') < 0) ? 'Type' : 'Engine';
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| 337 |
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$sql = "SHOW TABLE STATUS FROM " . DB_NAME . " LIKE '" . $table . "'";
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| 338 |
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if(($result = $this->query($sql))) {
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| 339 |
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if(($row = $result->fetchRow(MYSQL_ASSOC))) {
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| 340 |
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$retVal = $row[$engineValue];
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| 341 |
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}
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| 342 |
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}
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| 343 |
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return $retVal;
|
| 344 |
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}
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| 345 |
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| 346 |
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| 347 |
1362
|
Luisehahne
|
} /// end of class database
|
| 348 |
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|
| 349 |
1549
|
Luisehahne
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define('MYSQL_SEEK_FIRST', 0);
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| 350 |
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define('MYSQL_SEEK_LAST', -1);
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| 351 |
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|
| 352 |
4
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ryan
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class mysql {
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| 353 |
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| 354 |
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// Run a query
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| 355 |
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function query($statement) {
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| 356 |
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$this->result = mysql_query($statement);
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| 357 |
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$this->error = mysql_error();
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| 358 |
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return $this->result;
|
| 359 |
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}
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| 360 |
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|
| 361 |
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// Fetch num rows
|
| 362 |
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function numRows() {
|
| 363 |
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return mysql_num_rows($this->result);
|
| 364 |
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}
|
| 365 |
1011
|
Ruebenwurz
|
|
| 366 |
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// Fetch row $typ = MYSQL_ASSOC, MYSQL_NUM, MYSQL_BOTH
|
| 367 |
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function fetchRow($typ = MYSQL_BOTH) {
|
| 368 |
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return mysql_fetch_array($this->result, $typ);
|
| 369 |
4
|
ryan
|
}
|
| 370 |
1011
|
Ruebenwurz
|
|
| 371 |
1549
|
Luisehahne
|
function rewind()
|
| 372 |
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{
|
| 373 |
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return $this->seekRow();
|
| 374 |
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}
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| 375 |
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|
| 376 |
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function seekRow( $position = MYSQL_SEEK_FIRST )
|
| 377 |
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{
|
| 378 |
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$pmax = $this->numRows() - 1;
|
| 379 |
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$p = (($position < 0 || $position > $pmax) ? $pmax : $position);
|
| 380 |
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return mysql_data_seek($this->result, $p);
|
| 381 |
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}
|
| 382 |
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|
| 383 |
4
|
ryan
|
// Get error
|
| 384 |
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function error() {
|
| 385 |
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if(isset($this->error)) {
|
| 386 |
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return $this->error;
|
| 387 |
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} else {
|
| 388 |
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return null;
|
| 389 |
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}
|
| 390 |
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}
|
| 391 |
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|
| 392 |
|
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}
|
| 393 |
1364
|
Luisehahne
|
/* this function is placed inside this file temporarely until a better place is found */
|
| 394 |
|
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/* function to update a var/value-pair(s) in table ****************************
|
| 395 |
|
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* nonexisting keys are inserted
|
| 396 |
|
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* @param string $table: name of table to use (without prefix)
|
| 397 |
|
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* @param mixed $key: a array of key->value pairs to update
|
| 398 |
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* or a string with name of the key to update
|
| 399 |
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* @param string $value: a sting with needed value, if $key is a string too
|
| 400 |
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* @return bool: true if any keys are updated, otherwise false
|
| 401 |
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*/
|
| 402 |
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function db_update_key_value($table, $key, $value = '')
|
| 403 |
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{
|
| 404 |
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global $database;
|
| 405 |
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if( !is_array($key))
|
| 406 |
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{
|
| 407 |
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if( trim($key) != '' )
|
| 408 |
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{
|
| 409 |
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$key = array( trim($key) => trim($value) );
|
| 410 |
|
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} else {
|
| 411 |
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$key = array();
|
| 412 |
|
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}
|
| 413 |
|
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}
|
| 414 |
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$retval = true;
|
| 415 |
|
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foreach( $key as $index=>$val)
|
| 416 |
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{
|
| 417 |
|
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$index = strtolower($index);
|
| 418 |
|
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$sql = 'SELECT COUNT(`setting_id`) FROM `'.TABLE_PREFIX.$table.'` WHERE `name` = \''.$index.'\' ';
|
| 419 |
|
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if($database->get_one($sql))
|
| 420 |
|
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{
|
| 421 |
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$sql = 'UPDATE ';
|
| 422 |
|
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$sql_where = 'WHERE `name` = \''.$index.'\'';
|
| 423 |
|
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}else {
|
| 424 |
|
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$sql = 'INSERT INTO ';
|
| 425 |
|
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$sql_where = '';
|
| 426 |
|
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}
|
| 427 |
|
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$sql .= '`'.TABLE_PREFIX.$table.'` ';
|
| 428 |
|
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$sql .= 'SET `name` = \''.$index.'\', ';
|
| 429 |
|
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$sql .= '`value` = \''.$val.'\' '.$sql_where;
|
| 430 |
|
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if( !$database->query($sql) )
|
| 431 |
|
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{
|
| 432 |
|
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$retval = false;
|
| 433 |
|
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}
|
| 434 |
|
|
}
|
| 435 |
|
|
return $retval;
|
| 436 |
|
|
}
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