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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\Storage\Handler;
- /**
- * Wraps another SessionHandlerInterface to only write the session when it has been modified.
- *
- * @author Adrien Brault <adrien.brault@gmail.com>
- */
- class WriteCheckSessionHandler implements \SessionHandlerInterface
- {
- /**
- * @var \SessionHandlerInterface
- */
- private $wrappedSessionHandler;
- /**
- * @var array sessionId => session
- */
- private $readSessions;
- public function __construct(\SessionHandlerInterface $wrappedSessionHandler)
- {
- $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);
- }
- }
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