public function requestAction()
 {
     $request = $this->get('request');
     if ($request->isXmlHttpRequest() && $request->getMethod() == 'POST') {
         // retrieve command string
         $sf2Command = stripslashes($request->request->get('command'));
         if ($sf2Command == '.') {
             // this trick is used to give the possibility to have "php app/console" equivalent
             $sf2Command = 'list';
         } elseif ($sf2Command == 'cache:clear') {
             // warming up the cache cannot be done after clearing it
             // fix issue #11
             $sf2Command .= ' --no-warmup';
         }
         //TODO: not really efficient
         $rootFolder = basename($this->container->getParameter('kernel.root_dir'));
         $app = $request->request->get('app') ?: $rootFolder;
         if (!in_array($app, $this->container->getParameter('sf2gen_console.apps'))) {
             return new Response('This application is not allowed...', 200);
             // set to 200 to allow console display
         }
         //Try to run a separate shell process
         if ($this->container->getParameter('sf2gen_console.new_process')) {
             //Try to run a separate shell process
             try {
                 $php = $this->getPhpExecutable();
                 $commandLine = $php . ' ' . $app . '/' . 'console ';
                 if (!empty($sf2Command)) {
                     $commandLine .= $sf2Command;
                 }
                 $p = new Process($commandLine, $rootFolder, null, null, 30, array('suppress_errors' => false, 'bypass_shell' => false));
                 $p->run();
                 $output = $p->getOutput();
                 /*
                 if the process is not successful:
                 - 1) Symfony throws an error and ouput is not empty; continue without Exception.
                 - 2) Process throws an error and ouput is empty => Exception!
                 */
                 if (!$p->isSuccessful() && empty($output)) {
                     throw new \RuntimeException('Unabled to run the process.');
                 }
             } catch (\Exception $e) {
                 // not trying the other method. It is interesting to know where it is not working (single process or not)
                 return new Response(nl2br("The request failed when using a separated shell process. Try to use 'new_process: false' in configuration.\n Error : " . $e->getMessage()));
             }
         } else {
             //Try to execute a console within this process
             //TODO: fix cache:clear issue
             try {
                 $input = new StringInput($sf2Command);
                 //Prepare output
                 ob_start();
                 $output = new StreamOutput(fopen("php://output", 'w'), StreamOutput::VERBOSITY_NORMAL, true, new OutputFormatterHtml(true));
                 //Start a kernel/console and an application
                 $env = $input->getParameterOption(array('--env', '-e'), $this->container->getParameter('sf2gen_console.default_env'));
                 $debug = !$input->hasParameterOption(array('--no-debug', ''));
                 $kernel = new \AppKernel($env, $debug);
                 $application = new Application($kernel);
                 $application->setAutoExit(false);
                 //Find, initialize and run the real command
                 $run = $application->run($input, $output);
                 $output = ob_get_contents();
                 ob_end_clean();
             } catch (\Exception $e) {
                 return new Response(nl2br("The request failed  when using same process.\n Error : " . $e->getMessage()));
             }
         }
         // common response for both methods
         if (empty($output)) {
             $output = 'The command "' . $sf2Command . '" was successful.';
         }
         return new Response($this->convertOutput($output));
     }
     return new Response('This request was not found.', 404);
     // request is not a POST request
 }