Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\HttpFoundation\Session\Storage\Handler;
Chris@0: 
Chris@14: @trigger_error(sprintf('The class %s is deprecated since Symfony 3.4 and will be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\MemcachedSessionHandler instead.', MemcacheSessionHandler::class), E_USER_DEPRECATED);
Chris@14: 
Chris@0: /**
Chris@14:  * @author Drak <drak@zikula.org>
Chris@0:  *
Chris@14:  * @deprecated since version 3.4, to be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\MemcachedSessionHandler instead.
Chris@0:  */
Chris@0: class MemcacheSessionHandler implements \SessionHandlerInterface
Chris@0: {
Chris@0:     private $memcache;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var int Time to live in seconds
Chris@0:      */
Chris@0:     private $ttl;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var string Key prefix for shared environments
Chris@0:      */
Chris@0:     private $prefix;
Chris@0: 
Chris@0:     /**
Chris@0:      * Constructor.
Chris@0:      *
Chris@0:      * List of available options:
Chris@0:      *  * prefix: The prefix to use for the memcache keys in order to avoid collision
Chris@0:      *  * expiretime: The time to live in seconds
Chris@0:      *
Chris@0:      * @param \Memcache $memcache A \Memcache instance
Chris@0:      * @param array     $options  An associative array of Memcache options
Chris@0:      *
Chris@0:      * @throws \InvalidArgumentException When unsupported options are passed
Chris@0:      */
Chris@17:     public function __construct(\Memcache $memcache, array $options = [])
Chris@0:     {
Chris@17:         if ($diff = array_diff(array_keys($options), ['prefix', 'expiretime'])) {
Chris@17:             throw new \InvalidArgumentException(sprintf('The following options are not supported "%s"', implode(', ', $diff)));
Chris@0:         }
Chris@0: 
Chris@0:         $this->memcache = $memcache;
Chris@0:         $this->ttl = isset($options['expiretime']) ? (int) $options['expiretime'] : 86400;
Chris@0:         $this->prefix = isset($options['prefix']) ? $options['prefix'] : 'sf2s';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function open($savePath, $sessionName)
Chris@0:     {
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function close()
Chris@0:     {
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function read($sessionId)
Chris@0:     {
Chris@0:         return $this->memcache->get($this->prefix.$sessionId) ?: '';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function write($sessionId, $data)
Chris@0:     {
Chris@0:         return $this->memcache->set($this->prefix.$sessionId, $data, 0, time() + $this->ttl);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function destroy($sessionId)
Chris@0:     {
Chris@14:         $this->memcache->delete($this->prefix.$sessionId);
Chris@14: 
Chris@14:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function gc($maxlifetime)
Chris@0:     {
Chris@0:         // not required here because memcache will auto expire the records anyhow.
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Return a Memcache instance.
Chris@0:      *
Chris@0:      * @return \Memcache
Chris@0:      */
Chris@0:     protected function getMemcache()
Chris@0:     {
Chris@0:         return $this->memcache;
Chris@0:     }
Chris@0: }