Pimcore\Model\Object\Data\Link::isEmpty PHP Метод

    public function isEmpty()
    {
        $vars = get_object_vars($this);
        foreach ($vars as $key => $value) {
            if (!empty($value)) {
                return false;
            }
        }
        return true;
    }

 /**
  * @see Model\Object\ClassDefinition\Data::getDataFromEditmode
  * @param string $data
  * @param null|Model\Object\AbstractObject $object
  * @return string
  */
 public function getDataFromEditmode($data, $object = null)
 {
     $link = new Object\Data\Link();
     $link->setValues($data);
     if ($link->isEmpty()) {
         return false;
     }
     return $link;
 }