/**
* Singleton function for connecting to the database
* @access public
* @final
* @param array $params An array of connection parameters
*
* @return obj Returns a static instance of the DB connection
*/
public static final function connect_db($params)
{
if (!isset(self::$instance)) {
self::$instance = new MySQLIE($params);
}
return self::$instance;
}
/**
* Singleton function to connect to the database
* @param array $params An array of connection parameters
* @return obj Returns a mysqli database object
*
*/
function connect_db($params = null)
{
$params = $params == null ? $_SESSION["db_data"] : $params;
$db = MySQLIE::connect_db($params);
return $db;
}
