public static function get_session()
{
if (!isset(PhpSession::$instance)) {
PhpSession::$instance = new PhpSession();
}
return PhpSession::$instance;
}
/**
* Exclude object from result
*
* @param PhpSession $phpSession Object to remove from the list of results
*
* @return PhpSessionQuery The current query, for fluid interface
*/
public function prune($phpSession = null)
{
if ($phpSession) {
$this->addUsingAlias(PhpSessionPeer::SESSION_ID, $phpSession->getSessionId(), Criteria::NOT_EQUAL);
}
return $this;
}
/**
* 析构函数
*/
public function __construct($config = array())
{
session_set_save_handler(array($this, 'open'), array($this, 'close'), array($this, 'read'), array($this, 'write'), array($this, 'destroy'), array($this, 'gc'));
register_shutdown_function('session_write_close');
parent::__construct($config);
}
/**
* Adds an object to the instance pool.
*
* Propel keeps cached copies of objects in an instance pool when they are retrieved
* from the database. In some cases -- especially when you override doSelect*()
* methods in your stub classes -- you may need to explicitly add objects
* to the cache in order to ensure that the same objects are always returned by doSelect*()
* and retrieveByPK*() calls.
*
* @param PhpSession $value A PhpSession object.
* @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally).
*/
public static function addInstanceToPool(PhpSession $obj, $key = null)
{
if (Propel::isInstancePoolingEnabled()) {
if ($key === null) {
$key = (string) $obj->getSessionId();
}
// if key === null
self::$instances[$key] = $obj;
}
}
