SessionBagProxy.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;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
final class SessionBagProxy implements SessionBagInterface
{
private $bag;
private $data;
private $usageIndex;
private $usageReporter;
public function __construct(SessionBagInterface $bag, array &$data, ?int &$usageIndex, ?callable $usageReporter)
{
$this->bag = $bag;
$this->data = &$data;
$this->usageIndex = &$usageIndex;
$this->usageReporter = $usageReporter;
}
public function getBag(): SessionBagInterface
{
++$this->usageIndex;
if ($this->usageReporter && 0 <= $this->usageIndex) {
($this->usageReporter)();
}
return $this->bag;
}
public function isEmpty(): bool
{
if (!isset($this->data[$this->bag->getStorageKey()])) {
return true;
}
++$this->usageIndex;
if ($this->usageReporter && 0 <= $this->usageIndex) {
($this->usageReporter)();
}
return empty($this->data[$this->bag->getStorageKey()]);
}
/**
* {@inheritdoc}
*/
public function getName(): string
{
return $this->bag->getName();
}
/**
* {@inheritdoc}
*/
public function initialize(array &$array): void
{
++$this->usageIndex;
if ($this->usageReporter && 0 <= $this->usageIndex) {
($this->usageReporter)();
}
$this->data[$this->bag->getStorageKey()] = &$array;
$this->bag->initialize($array);
}
/**
* {@inheritdoc}
*/
public function getStorageKey(): string
{
return $this->bag->getStorageKey();
}
/**
* {@inheritdoc}
*/
public function clear()
{
return $this->bag->clear();
}
}