vendor/phpoffice/phpexcel/Classes/PHPExcel/Autoloader.php

   1 <?php
   2 /**
   3  * PHPExcel
   4  *
   5  * Copyright (c) 2006 - 2014 PHPExcel
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20  *
  21  * @category   PHPExcel
  22  * @package    PHPExcel
  23  * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
  24  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
  25  * @version    ##VERSION##, ##DATE##
  26  */
  27
  28 PHPExcel_Autoloader::Register();
  29 //    As we always try to run the autoloader before anything else, we can use it to do a few
  30 //        simple checks and initialisations
  31 //PHPExcel_Shared_ZipStreamWrapper::register();
  32 // check mbstring.func_overload
  33 if (ini_get('mbstring.func_overload') & 2) {
  34     throw new PHPExcel_Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
  35 }
  36 PHPExcel_Shared_String::buildCharacterSets();
  37
  38
  39 /**
  40  * PHPExcel_Autoloader
  41  *
  42  * @category    PHPExcel
  43  * @package     PHPExcel
  44  * @copyright   Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
  45  */
  46 class PHPExcel_Autoloader
  47 {
  48     /**
  49      * Register the Autoloader with SPL
  50      *
  51      */
  52     public static function Register() {
  53         if (function_exists('__autoload')) {
  54             //    Register any existing autoloader function with SPL, so we don't get any clashes
  55             spl_autoload_register('__autoload');
  56         }
  57         //    Register ourselves with SPL
  58         if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
  59             return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'), true, true);
  60         } else {
  61             return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'));
  62         }
  63     }   //    function Register()
  64
  65
  66     /**
  67      * Autoload a class identified by name
  68      *
  69      * @param    string    $pClassName        Name of the object to load
  70      */
  71     public static function Load($pClassName){
  72         if ((class_exists($pClassName,FALSE)) || (strpos($pClassName, 'PHPExcel') !== 0)) {
  73             //    Either already loaded, or not a PHPExcel class request
  74             return FALSE;
  75         }
  76
  77         $pClassFilePath = PHPEXCEL_ROOT .
  78                           str_replace('_',DIRECTORY_SEPARATOR,$pClassName) .
  79                           '.php';
  80
  81         if ((file_exists($pClassFilePath) === FALSE) || (is_readable($pClassFilePath) === FALSE)) {
  82             //    Can't load
  83             return FALSE;
  84         }
  85
  86         require($pClassFilePath);
  87     }   //    function Load()
  88
  89 }