<?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\Storage\Handler;
/**
* Wraps another SessionHandlerInterface to only write the session when it has been modified.
*
* @author Adrien Brault <adrien.brault@gmail.com>
*
* @deprecated since version 3.4, to be removed in 4.0. Implement `SessionUpdateTimestampHandlerInterface` or extend `AbstractSessionHandler` instead.
*/
class WriteCheckSessionHandler implements \SessionHandlerInterface
{
private $wrappedSessionHandler;
/**
* @var array sessionId => session
*/
private $readSessions;
public function __construct(\SessionHandlerInterface $wrappedSessionHandler)
{
@trigger_error(sprintf('The %s class is deprecated since Symfony 3.4 and will be removed in 4.0. Implement `SessionUpdateTimestampHandlerInterface` or extend `AbstractSessionHandler` instead.', self::class), \E_USER_DEPRECATED);
$this->wrappedSessionHandler = $wrappedSessionHandler;
}
/**
* {@inheritdoc}
*/
public function close()
{
return $this->wrappedSessionHandler->close();
}
/**
* {@inheritdoc}
*/
public function destroy($sessionId)
{
return $this->wrappedSessionHandler->destroy($sessionId);
}
/**
* {@inheritdoc}
*/
public function gc($maxlifetime)
{
return $this->wrappedSessionHandler->gc($maxlifetime);
}
/**
* {@inheritdoc}
*/
public function open($savePath, $sessionName)
{
return $this->wrappedSessionHandler->open($savePath, $sessionName);
}
/**
* {@inheritdoc}
*/
public function read($sessionId)
{
$session = $this->wrappedSessionHandler->read($sessionId);
$this->readSessions[$sessionId] = $session;
return $session;
}
/**
* {@inheritdoc}
*/
public function write($sessionId, $data)
{
if (isset($this->readSessions[$sessionId]) && $data === $this->readSessions[$sessionId]) {
return true;
}
return $this->wrappedSessionHandler->write($sessionId, $data);
}
}