Pop\Form\Element\Csrf::setValidator PHP Метод

    protected function setValidator()
    {
        // Get query data
        if ($_SERVER['REQUEST_METHOD']) {
            $queryData = array();
            switch ($_SERVER['REQUEST_METHOD']) {
                case 'GET':
                    $queryData = $_GET;
                    break;
                case 'POST':
                    $queryData = $_POST;
                    break;
                default:
                    $input = fopen('php://input', 'r');
                    $qData = null;
                    while ($data = fread($input, 1024)) {
                        $qData .= $data;
                    }
                    parse_str($qData, $queryData);
            }
            // If there is query data, set validator to check against the token value
            if (count($queryData) > 0) {
                $val = isset($queryData[$this->name]) ? $queryData[$this->name] : '';
                $this->addValidator(new \Pop\Validator\Equal($val, \Pop\I18n\I18n::factory()->__('The security token does not match.')));
            }
        } else {
            throw new \Pop\Form\Exception('Error: The server request method is not set.');
        }
    }