/**
* Returns Router instance
*
* @return self
*/
public static function getInstance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
self::$_instance->connect();
}
return self::$_instance;
}
/**
* Destroy Connection
*
* @return mixed
**/
public static function close()
{
return self::$pdo = null;
}
