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HttpFoundation
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Filename :
AttributeBag.php
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<?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; /** * This class relates to session attribute storage */ class AttributeBag implements AttributeBagInterface, \IteratorAggregate, \Countable { private $name = 'attributes'; /** * @var string */ private $storageKey; /** * @var array */ protected $attributes = array(); /** * Constructor. * * @param string $storageKey The key used to store attributes in the session */ public function __construct($storageKey = '_sf2_attributes') { $this->storageKey = $storageKey; } /** * {@inheritdoc} */ public function getName() { return $this->name; } public function setName($name) { $this->name = $name; } /** * {@inheritdoc} */ public function initialize(array &$attributes) { $this->attributes = &$attributes; } /** * {@inheritdoc} */ public function getStorageKey() { return $this->storageKey; } /** * {@inheritdoc} */ public function has($name) { return array_key_exists($name, $this->attributes); } /** * {@inheritdoc} */ public function get($name, $default = null) { return array_key_exists($name, $this->attributes) ? $this->attributes[$name] : $default; } /** * {@inheritdoc} */ public function set($name, $value) { $this->attributes[$name] = $value; } /** * {@inheritdoc} */ public function all() { return $this->attributes; } /** * {@inheritdoc} */ public function replace(array $attributes) { $this->attributes = array(); foreach ($attributes as $key => $value) { $this->set($key, $value); } } /** * {@inheritdoc} */ public function remove($name) { $retval = null; if (array_key_exists($name, $this->attributes)) { $retval = $this->attributes[$name]; unset($this->attributes[$name]); } return $retval; } /** * {@inheritdoc} */ public function clear() { $return = $this->attributes; $this->attributes = array(); return $return; } /** * Returns an iterator for attributes. * * @return \ArrayIterator An \ArrayIterator instance */ public function getIterator() { return new \ArrayIterator($this->attributes); } /** * Returns the number of attributes. * * @return integer The number of attributes */ public function count() { return count($this->attributes); } }