PPM/Bridge.php
public function bootstrap($appBootstrap, $appenv, $debug)
    {
        $bootstrap = (new $appBootstrap());
        $bootstrap->initialize($appenv, $debug);
        $kernel = $bootstrap->getApplication();
        $this->requestHandler = new RequestHandler($kernel);
    }
public function bootstrap($appBootstrap, $appenv, $debug)
    {
        $bootstrap = (new $appBootstrap());
        $bootstrap->initialize($appenv, $debug);
        $kernel = $bootstrap->getApplication();
        $this->requestHandler = new RequestHandler($kernel);
    }
Bootstrap an application.

@param string|null $appBootstrap
@param string      $appenv
@param bool        $debug