PhpSpreadsheet/Classes/PHPExcel/Autoloader.php

90 lines
3.1 KiB
PHP

<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2015 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
PHPExcel_Autoloader::Register();
// As we always try to run the autoloader before anything else, we can use it to do a few
// simple checks and initialisations
//PHPExcel_Shared_ZipStreamWrapper::register();
// check mbstring.func_overload
if (ini_get('mbstring.func_overload') & 2) {
throw new PHPExcel_Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
}
PHPExcel_Shared_String::buildCharacterSets();
/**
* PHPExcel_Autoloader
*
* @category PHPExcel
* @package PHPExcel
* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Autoloader
{
/**
* Register the Autoloader with SPL
*
*/
public static function Register() {
if (function_exists('__autoload')) {
// Register any existing autoloader function with SPL, so we don't get any clashes
spl_autoload_register('__autoload');
}
// Register ourselves with SPL
if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'), true, true);
} else {
return spl_autoload_register(array('PHPExcel_Autoloader', 'Load'));
}
} // function Register()
/**
* Autoload a class identified by name
*
* @param string $pClassName Name of the object to load
*/
public static function Load($pClassName){
if ((class_exists($pClassName,FALSE)) || (strpos($pClassName, 'PHPExcel') !== 0)) {
// Either already loaded, or not a PHPExcel class request
return FALSE;
}
$pClassFilePath = PHPEXCEL_ROOT .
str_replace('_',DIRECTORY_SEPARATOR,$pClassName) .
'.php';
if ((file_exists($pClassFilePath) === FALSE) || (is_readable($pClassFilePath) === FALSE)) {
// Can't load
return FALSE;
}
require($pClassFilePath);
} // function Load()
}