WriteCheckSessionHandler.php in Zircon Profile 8.0

Namespace

Symfony\Component\HttpFoundation\Session\Storage\Handler

File

vendor/symfony/http-foundation/Session/Storage/Handler/WriteCheckSessionHandler.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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 <[e-mail]>
 */
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);
  }

}

Classes

Name	Description
WriteCheckSessionHandler	Wraps another SessionHandlerInterface to only write the session when it has been modified.