<?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;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
final class SessionBagProxy implements SessionBagInterface
{
private $bag;
private $data;
private $usageIndex;
public function __construct(SessionBagInterface $bag, array &$data, &$usageIndex)
{
$this->bag = $bag;
$this->data = &$data;
$this->usageIndex = &$usageIndex;
}
/**
* @return SessionBagInterface
*/
public function getBag()
{
++$this->usageIndex;
return $this->bag;
}
/**
* @return bool
*/
public function isEmpty()
{
if (!isset($this->data[$this->bag->getStorageKey()])) {
return true;
}
++$this->usageIndex;
return empty($this->data[$this->bag->getStorageKey()]);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return $this->bag->getName();
}
/**
* {@inheritdoc}
*/
public function initialize(array &$array)
{
++$this->usageIndex;
$this->data[$this->bag->getStorageKey()] = &$array;
$this->bag->initialize($array);
}
/**
* {@inheritdoc}
*/
public function getStorageKey()
{
return $this->bag->getStorageKey();
}
/**
* {@inheritdoc}
*/
public function clear()
{
return $this->bag->clear();
}
}