vendor/twig/twig/lib/Twig/Autoloader.php

   1 <?php
   2
   3 /*
   4  * This file is part of Twig.
   5  *
   6  * (c) 2009 Fabien Potencier
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 /**
  13  * Autoloads Twig classes.
  14  *
  15  * @author Fabien Potencier <fabien@symfony.com>
  16  */
  17 class Twig_Autoloader
  18 {
  19     /**
  20      * Registers Twig_Autoloader as an SPL autoloader.
  21      *
  22      * @param Boolean $prepend Whether to prepend the autoloader or not.
  23      */
  24     public static function register($prepend = false)
  25     {
  26         if (version_compare(phpversion(), '5.3.0', '>=')) {
  27             spl_autoload_register(array(new self, 'autoload'), true, $prepend);
  28         } else {
  29             spl_autoload_register(array(new self, 'autoload'));
  30         }
  31     }
  32
  33     /**
  34      * Handles autoloading of classes.
  35      *
  36      * @param string $class A class name.
  37      */
  38     public static function autoload($class)
  39     {
  40         if (0 !== strpos($class, 'Twig')) {
  41             return;
  42         }
  43
  44         if (is_file($file = dirname(__FILE__).'/../'.str_replace(array('_', "\0"), array('/', ''), $class).'.php')) {
  45             require $file;
  46         }
  47     }
  48 }