Source of file MemcachedSessionHandler.php
Size: 2,771 Bytes - Last Modified: 2013-07-17T08:22:21+02:00
/home/theseer/Downloads/Symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcachedSessionHandler.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116 | <?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; /** * MemcachedSessionHandler. * * Memcached based session storage handler based on the Memcached class * provided by the PHP memcached extension. * * @see http://php.net/memcached * * @author Drak <drak@zikula.org> */ class MemcachedSessionHandler implements \SessionHandlerInterface { /** * @var \Memcached Memcached driver. */ private $memcached; /** * @var integer Time to live in seconds */ private $ttl; /** * @var string Key prefix for shared environments. */ private $prefix; /** * Constructor. * * List of available options: * * prefix: The prefix to use for the memcached keys in order to avoid collision * * expiretime: The time to live in seconds * * @param \Memcached $memcached A \Memcached instance * @param array $options An associative array of Memcached options * * @throws \InvalidArgumentException When unsupported options are passed */ public function __construct(\Memcached $memcached, array $options = array()) { $this->memcached = $memcached; if ($diff = array_diff(array_keys($options), array('prefix', 'expiretime'))) { throw new \InvalidArgumentException(sprintf( 'The following options are not supported "%s"', implode(', ', $diff) )); } $this->ttl = isset($options['expiretime']) ? (int) $options['expiretime'] : 86400; $this->prefix = isset($options['prefix']) ? $options['prefix'] : 'sf2s'; } /** * {@inheritDoc} */ public function open($savePath, $sessionName) { return true; } /** * {@inheritDoc} */ public function close() { return true; } /** * {@inheritDoc} */ public function read($sessionId) { return $this->memcached->get($this->prefix.$sessionId) ?: ''; } /** * {@inheritDoc} */ public function write($sessionId, $data) { return $this->memcached->set($this->prefix.$sessionId, $data, time() + $this->ttl); } /** * {@inheritDoc} */ public function destroy($sessionId) { return $this->memcached->delete($this->prefix.$sessionId); } /** * {@inheritDoc} */ public function gc($lifetime) { // not required here because memcached will auto expire the records anyhow. return true; } } |