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EDIT :: AttributeBagInterface.php

<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpFoundation\Session\Attribute; use Symfony\Component\HttpFoundation\Session\SessionBagInterface; /** * Attributes store. * * @author Drak <drak@zikula.org> */ interface AttributeBagInterface extends SessionBagInterface { /** * Checks if an attribute is defined. * * @param string $name The attribute name * * @return Boolean true if the attribute is defined, false otherwise */ public function has($name); /** * Returns an attribute. * * @param string $name The attribute name * @param mixed $default The default value if not found * * @return mixed */ public function get($name, $default = null); /** * Sets an attribute. * * @param string $name * @param mixed $value */ public function set($name, $value); /** * Returns attributes. * * @return array Attributes */ public function all(); /** * Sets attributes. * * @param array $attributes Attributes */ public function replace(array $attributes); /** * Removes an attribute. * * @param string $name * * @return mixed The removed value or null when it does not exist */ public function remove($name); }

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