original_string: public function handleRequest(Request $req)
      {
          // set host name from request if not already set
          $config = $this['config'];
          if (!$config->get('app.hostname')) {
              $config->set('app.hostname', $req->host());
          }
  
          $res = new Response();
          try {
              // determine route by dispatching to router
              $routeInfo = $this['router']->dispatch($req->method(), $req->path());
              $this['routeInfo'] = $routeInfo;
  
              // set any route arguments on the request
              if (isset($routeInfo[2])) {
                  $req->setParams($routeInfo[2]);
              }
  
              // the dispatch middleware is the final step
              $dispatch = new DispatchMiddleware();
              $dispatch->setApp($this);
              $this->middleware($dispatch);
  
              // the request is handled by returning the response
              // generated by the middleware chain
              return $this->runMiddleware($req, $res);
          } catch (\Exception $e) {
              return $this['exception_handler']($req, $res, $e);
          } catch (\Error $e) {
              return $this['php_error_handler']($req, $res, $e);
          }
      }
code: public function handleRequest(Request $req)
      {
          // set host name from request if not already set
          $config = $this['config'];
          if (!$config->get('app.hostname')) {
              $config->set('app.hostname', $req->host());
          }
  
          $res = new Response();
          try {
              // determine route by dispatching to router
              $routeInfo = $this['router']->dispatch($req->method(), $req->path());
              $this['routeInfo'] = $routeInfo;
  
              // set any route arguments on the request
              if (isset($routeInfo[2])) {
                  $req->setParams($routeInfo[2]);
              }
  
              // the dispatch middleware is the final step
              $dispatch = new DispatchMiddleware();
              $dispatch->setApp($this);
              $this->middleware($dispatch);
  
              // the request is handled by returning the response
              // generated by the middleware chain
              return $this->runMiddleware($req, $res);
          } catch (\Exception $e) {
              return $this['exception_handler']($req, $res, $e);
          } catch (\Error $e) {
              return $this['php_error_handler']($req, $res, $e);
          }
      }
code_tokens: public function handleRequest ( Request $ req ) { // set host name from request if not already set $ config = $ this [ 'config' ] ; if ( ! $ config -> get ( 'app.hostname' ) ) { $ config -> set ( 'app.hostname' , $ req -> host ( ) ) ; } $ res = new Response ( ) ; try { // determine route by dispatching to router $ routeInfo = $ this [ 'router' ] -> dispatch ( $ req -> method ( ) , $ req -> path ( ) ) ; $ this [ 'routeInfo' ] = $ routeInfo ; // set any route arguments on the request if ( isset ( $ routeInfo [ 2 ] ) ) { $ req -> setParams ( $ routeInfo [ 2 ] ) ; } // the dispatch middleware is the final step $ dispatch = new DispatchMiddleware ( ) ; $ dispatch -> setApp ( $ this ) ; $ this -> middleware ( $ dispatch ) ; // the request is handled by returning the response // generated by the middleware chain return $ this -> runMiddleware ( $ req , $ res ) ; } catch ( \ Exception $ e ) { return $ this [ 'exception_handler' ] ( $ req , $ res , $ e ) ; } catch ( \ Error $ e ) { return $ this [ 'php_error_handler' ] ( $ req , $ res , $ e ) ; } }
docstring: Builds a response to an incoming request by routing
  it through the application.
  
  @param Request $req
  
  @return Response
docstring_tokens: Builds a response to an incoming request by routing it through the application .