Viewing file:  MySQLiHandler.php (1.2 KB) -rw-r--r--
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<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace CodeIgniter\Session\Handlers\Database;
use CodeIgniter\Session\Handlers\DatabaseHandler;
/**
* Session handler for MySQLi
*/
class MySQLiHandler extends DatabaseHandler
{
/**
* Lock the session.
*/
protected function lockSession(string $sessionID): bool
{
$arg = md5($sessionID . ($this->matchIP ? '_' . $this->ipAddress : ''));
if ($this->db->query("SELECT GET_LOCK('{$arg}', 300) AS ci_session_lock")->getRow()->ci_session_lock) {
$this->lock = $arg;
return true;
}
return $this->fail();
}
/**
* Releases the lock, if any.
*/
protected function releaseLock(): bool
{
if (! $this->lock) {
return true;
}
if ($this->db->query("SELECT RELEASE_LOCK('{$this->lock}') AS ci_session_lock")->getRow()->ci_session_lock) {
$this->lock = false;
return true;
}
return $this->fail();
}
}
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