FriendsOfSymfony / FOSRestBundle

     */

    private function includeFormatIfNeeded(&$path, &$requirements)

    {

        if ($this->includeFormat === true) {

            $path .= '.{_format}';

            if (!isset($requirements['_format']) && !empty($this->formats)) {

                $requirements['_format'] = implode('|', array_keys($this->formats));

            }

        }

    }

    /**

                    }

                    // set format requirement if configured globally

                    if (!isset($config['requirements']['_format']) && !empty($this->formats)) {

                        $config['requirements']['_format'] = implode('|', array_keys($this->formats));

                    }

                }

                // set the default format if configured