registerNamespace('Symfony', $_SERVER['SYMFONY']); $loader->registerNamespace('Assetic', $_SERVER['ASSETIC']); $loader->registerPrefix('Twig_', $_SERVER['TWIG']); $loader->register(); spl_autoload_register(function($class) { if (0 === strpos($class, 'Symfony\\Bundle\\AsseticBundle\\') && file_exists($file = __DIR__.'/../'.implode('/', array_slice(explode('\\', $class), 3)).'.php')) { require_once $file; } });