Habari\DB::connect PHP Метод

    public static function connect()
    {
        /*
        	if connection has been instantiated (ie: not null), check if is already connected
        */
        if (null != DB::instance()->connection) {
            if (func_num_args() == 0 && false != DB::instance()->connection->is_connected()) {
                return true;
            }
        }
        if (func_num_args() > 0) {
            $connect_string = func_get_arg(0);
            $db_user = func_get_arg(1);
            $db_pass = func_get_arg(2);
        } else {
            /* We use the config.php variables */
            $connect_string = Config::get('db_connection')->connection_string;
            $db_user = Config::get('db_connection')->username;
            $db_pass = Config::get('db_connection')->password;
        }
        DB::instance()->connection = DatabaseConnection::ConnectionFactory($connect_string);
        if (null != DB::instance()->connection) {
            return DB::instance()->connection->connect($connect_string, $db_user, $db_pass);
        } else {
            // do some error handling here. The connect string does not have a corresponding DB connection object
            print _t('Panic! No database connection class appears to be found for the connection string specified. Please check config.php');
        }
    }