Prado\TApplication::run PHP Метод

    public function run()
    {
        try {
            $this->initApplication();
            $n = count(self::$_steps);
            $this->_step = 0;
            $this->_requestCompleted = false;
            while ($this->_step < $n) {
                if ($this->_mode === self::STATE_OFF) {
                    throw new THttpException(503, 'application_unavailable');
                }
                if ($this->_requestCompleted) {
                    break;
                }
                $method = self::$_steps[$this->_step];
                Prado::trace("Executing {$method}()", 'Prado\\TApplication');
                $this->{$method}();
                $this->_step++;
            }
        } catch (\Exception $e) {
            $this->onError($e);
        }
        $this->onEndRequest();
    }