92 lines
2.0 KiB
PHP
92 lines
2.0 KiB
PHP
<?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\Storage\Handler;
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/**
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* Wraps another SessionHandlerInterface to only write the session when it has been modified.
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*
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* @author Adrien Brault <adrien.brault@gmail.com>
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*/
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class WriteCheckSessionHandler implements \SessionHandlerInterface
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{
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/**
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* @var \SessionHandlerInterface
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*/
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private $wrappedSessionHandler;
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/**
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* @var array sessionId => session
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*/
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private $readSessions;
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public function __construct(\SessionHandlerInterface $wrappedSessionHandler)
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{
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$this->wrappedSessionHandler = $wrappedSessionHandler;
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}
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/**
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* {@inheritdoc}
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*/
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public function close()
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{
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return $this->wrappedSessionHandler->close();
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}
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/**
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* {@inheritdoc}
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*/
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public function destroy($sessionId)
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{
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return $this->wrappedSessionHandler->destroy($sessionId);
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}
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/**
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* {@inheritdoc}
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*/
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public function gc($maxlifetime)
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{
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return $this->wrappedSessionHandler->gc($maxlifetime);
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}
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/**
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* {@inheritdoc}
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*/
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public function open($savePath, $sessionName)
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{
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return $this->wrappedSessionHandler->open($savePath, $sessionName);
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}
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/**
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* {@inheritdoc}
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*/
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public function read($sessionId)
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{
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$session = $this->wrappedSessionHandler->read($sessionId);
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$this->readSessions[$sessionId] = $session;
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return $session;
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}
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/**
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* {@inheritdoc}
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*/
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public function write($sessionId, $data)
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{
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if (isset($this->readSessions[$sessionId]) && $data === $this->readSessions[$sessionId]) {
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return true;
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}
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return $this->wrappedSessionHandler->write($sessionId, $data);
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}
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}
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