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[github/wallabag/wallabag.git] / 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 }