Cake\View\Helper\FormHelper::secure PHP Метод

    public function secure(array $fields = [], array $secureAttributes = [])
    {
        if (empty($this->request['_Token'])) {
            return '';
        }
        $debugSecurity = Configure::read('debug');
        if (isset($secureAttributes['debugSecurity'])) {
            $debugSecurity = $debugSecurity && $secureAttributes['debugSecurity'];
            unset($secureAttributes['debugSecurity']);
        }
        $secureAttributes['secure'] = static::SECURE_SKIP;
        $tokenData = $this->_buildFieldToken($this->_lastAction, $fields, $this->_unlockedFields);
        $tokenFields = array_merge($secureAttributes, ['value' => $tokenData['fields']]);
        $out = $this->hidden('_Token.fields', $tokenFields);
        $tokenUnlocked = array_merge($secureAttributes, ['value' => $tokenData['unlocked']]);
        $out .= $this->hidden('_Token.unlocked', $tokenUnlocked);
        if ($debugSecurity) {
            $tokenDebug = array_merge($secureAttributes, ['value' => urlencode(json_encode([$this->_lastAction, $fields, $this->_unlockedFields]))]);
            $out .= $this->hidden('_Token.debug', $tokenDebug);
        }
        return $this->formatTemplate('hiddenBlock', ['content' => $out]);
    }