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<?php |
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namespace Elgg\Http; |
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/** |
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* Database session handler |
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* |
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* @access private |
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* |
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* @package Elgg.Core |
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* @subpackage Http |
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*/ |
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class DatabaseSessionHandler implements \SessionHandlerInterface { |
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/** @var \Elgg\Database $db */ |
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protected $db; |
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/** |
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* Constructor |
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* |
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* @param \Elgg\Database $db The database |
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*/ |
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public function __construct(\Elgg\Database $db) { |
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$this->db = $db; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function open($save_path, $name) { |
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return true; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function read($session_id) { |
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$id = sanitize_string($session_id); |
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$query = "SELECT * FROM {$this->db->prefix}users_sessions WHERE session='$id'"; |
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$result = $this->db->getDataRow($query); |
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if ($result) { |
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return (string) $result->data; |
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} else { |
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return ''; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function write($session_id, $session_data) { |
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$id = sanitize_string($session_id); |
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$time = time(); |
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$sess_data_sanitised = sanitize_string($session_data); |
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$query = "INSERT INTO {$this->db->prefix}users_sessions |
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(session, ts, data) VALUES |
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('$id', '$time', '$sess_data_sanitised') |
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ON DUPLICATE KEY UPDATE ts = '$time', data = '$sess_data_sanitised'"; |
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if ($this->db->insertData($query) !== false) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function close() { |
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return true; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function destroy($session_id) { |
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$id = sanitize_string($session_id); |
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$query = "DELETE FROM {$this->db->prefix}users_sessions WHERE session='$id'"; |
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return (bool) $this->db->deleteData($query); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function gc($max_lifetime) { |
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$life = time() - $max_lifetime; |
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$query = "DELETE FROM {$this->db->prefix}users_sessions WHERE ts < '$life'"; |
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return (bool) $this->db->deleteData($query); |
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} |
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} |
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Elgg /
Elgg
Loading history...
This function has been deprecated. The supplier of the function has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the function will be removed and what other function to use instead.