/**
* close Db
* @author LamTX
*/
public static function closeDb()
{
//check empty
if (!empty(self::$_db)) {
//loop db ins to close
foreach (self::$_db as $dbName => $db) {
//check connected
if ($db->isConnected()) {
$db->closeConnection();
}
}
}
self::$_db = array();
}
