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<?php
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/**
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 * @category        include
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 * @package         jscalendar
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 * @subpackage      jscalendar-functions
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 * @author          Dietmar Wöllbrink
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 * @copyright       WebsiteBaker Org. e.V.
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 * @link            http://websitebaker.org/
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 * @license         http://www.gnu.org/licenses/gpl.html
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 * @platform        WebsiteBaker 2.8.3
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 * @requirements    PHP 5.3.6 and higher
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 * @version         $Id: jscalendar-functions.php 2 2017-07-02 15:14:29Z Manuela $
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 * @filesource      $HeadURL: svn://isteam.dynxs.de/wb/2.10.x/branches/main/include/jscalendar/jscalendar-functions.php $
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 * @lastmodified    $Date: 2017-07-02 17:14:29 +0200 (Sun, 02 Jul 2017) $
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 *
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 */
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/* -------------------------------------------------------- */
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// $Id: jscalendar-functions.php 2 2017-07-02 15:14:29Z Manuela $
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// Must include code to stop this file being accessed directly
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if(!defined('WB_PATH')) {
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    require_once(dirname(dirname(dirname(__FILE__))).'/framework/globalExceptionHandler.php');
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    throw new IllegalFileException();
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} else {
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    // convert string from jscalendar to timestamp.
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    // converts dd.mm.yyyy and mm/dd/yyyy, with or without time.
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    // strtotime() may fails with e.g. "dd.mm.yyyy" and PHP4
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    function jscalendar_to_timestamp($str, $offset='') {
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        $str = trim($str);
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        if ($str == '0' || $str == ''){return('0');}
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        if ($offset == '0'){$offset = '';}
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        // convert to yyyy-mm-dd
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        // "dd.mm.yyyy"?
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        if(preg_match('/^\d{1,2}\.\d{1,2}\.\d{2}(\d{2})?/', $str)) {
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            $str = preg_replace('/^(\d{1,2})\.(\d{1,2})\.(\d{2}(\d{2})?)/', '$3-$2-$1', $str);
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        }
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        // "mm/dd/yyyy"?
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        if(preg_match('#^\d{1,2}/\d{1,2}/(\d{2}(\d{2})?)#', $str)) {
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            $str = preg_replace('#^(\d{1,2})/(\d{1,2})/(\d{2}(\d{2})?)#', '$3-$1-$2', $str);
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        }
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        // use strtotime()
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      if($offset!=''){
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          return(strtotime($str, $offset)-TIMEZONE);
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      } else{
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          return(strtotime($str)-TIMEZONE);
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      }
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    }
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}
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