PHPUnit_Util_PHP::factory PHP Method

    public static function factory()
    {
        if (DIRECTORY_SEPARATOR == '\\') {
            return new PHPUnit_Util_PHP_Windows();
        }
        return new PHPUnit_Util_PHP_Default();
    }

 /**
  * @param array $requestArguments
  * @param bool $failOnFailure
  * @return Response
  */
 protected function fetchFrontendResponse(array $requestArguments, $failOnFailure = true)
 {
     if (!empty($requestArguments['url'])) {
         $requestUrl = '/' . ltrim($requestArguments['url'], '/');
     } else {
         $requestUrl = '/?' . GeneralUtility::implodeArrayForUrl('', $requestArguments);
     }
     if (property_exists($this, 'instancePath')) {
         $instancePath = $this->instancePath;
     } else {
         $instancePath = ORIGINAL_ROOT . 'typo3temp/functional-' . substr(sha1(get_class($this)), 0, 7);
     }
     $arguments = array('documentRoot' => $instancePath, 'requestUrl' => 'http://localhost' . $requestUrl);
     $template = new \Text_Template(ORIGINAL_ROOT . 'typo3/sysext/core/Tests/Functional/Fixtures/Frontend/request.tpl');
     $template->setVar(array('arguments' => var_export($arguments, true), 'originalRoot' => ORIGINAL_ROOT));
     $php = \PHPUnit_Util_PHP::factory();
     $response = $php->runJob($template->render());
     $result = json_decode($response['stdout'], true);
     if ($result === null) {
         $this->fail('Frontend Response is empty');
     }
     if ($failOnFailure && $result['status'] === Response::STATUS_Failure) {
         $this->fail('Frontend Response has failure:' . LF . $result['error']);
     }
     $response = new Response($result['status'], $result['content'], $result['error']);
     return $response;
 }