<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation\Session;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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final class SessionBagProxy implements SessionBagInterface
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{
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private $bag;
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private $data;
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private $usageIndex;
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public function __construct(SessionBagInterface $bag, array &$data, ?int &$usageIndex)
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{
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$this->bag = $bag;
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$this->data = &$data;
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$this->usageIndex = &$usageIndex;
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}
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public function getBag(): SessionBagInterface
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{
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++$this->usageIndex;
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return $this->bag;
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}
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public function isEmpty(): bool
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{
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if (!isset($this->data[$this->bag->getStorageKey()])) {
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return true;
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}
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++$this->usageIndex;
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return empty($this->data[$this->bag->getStorageKey()]);
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}
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/**
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* {@inheritdoc}
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*/
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public function getName(): string
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{
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return $this->bag->getName();
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}
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/**
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* {@inheritdoc}
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*/
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public function initialize(array &$array): void
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{
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++$this->usageIndex;
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$this->data[$this->bag->getStorageKey()] = &$array;
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$this->bag->initialize($array);
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}
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/**
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* {@inheritdoc}
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*/
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public function getStorageKey(): string
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{
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return $this->bag->getStorageKey();
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}
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/**
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* {@inheritdoc}
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*/
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public function clear()
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{
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return $this->bag->clear();
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}
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}
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