4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\HttpFoundation\Session\Storage\Handler;
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);
17 * @author Drak <drak@zikula.org>
19 * @deprecated since version 3.4, to be removed in 4.0. Use Symfony\Component\HttpFoundation\Session\Storage\Handler\MemcachedSessionHandler instead.
21 class MemcacheSessionHandler implements \SessionHandlerInterface
26 * @var int Time to live in seconds
31 * @var string Key prefix for shared environments
38 * List of available options:
39 * * prefix: The prefix to use for the memcache keys in order to avoid collision
40 * * expiretime: The time to live in seconds
42 * @param \Memcache $memcache A \Memcache instance
43 * @param array $options An associative array of Memcache options
45 * @throws \InvalidArgumentException When unsupported options are passed
47 public function __construct(\Memcache $memcache, array $options = array())
49 if ($diff = array_diff(array_keys($options), array('prefix', 'expiretime'))) {
50 throw new \InvalidArgumentException(sprintf(
51 'The following options are not supported "%s"', implode(', ', $diff)
55 $this->memcache = $memcache;
56 $this->ttl = isset($options['expiretime']) ? (int) $options['expiretime'] : 86400;
57 $this->prefix = isset($options['prefix']) ? $options['prefix'] : 'sf2s';
63 public function open($savePath, $sessionName)
71 public function close()
79 public function read($sessionId)
81 return $this->memcache->get($this->prefix.$sessionId) ?: '';
87 public function write($sessionId, $data)
89 return $this->memcache->set($this->prefix.$sessionId, $data, 0, time() + $this->ttl);
95 public function destroy($sessionId)
97 $this->memcache->delete($this->prefix.$sessionId);
105 public function gc($maxlifetime)
107 // not required here because memcache will auto expire the records anyhow.
112 * Return a Memcache instance.
116 protected function getMemcache()
118 return $this->memcache;