Neos\ContentRepository\Domain\Model\NodeInterface::hasProperty PHP Метод

    public function hasProperty($propertyName);

 /**
  * Sets the best possible uriPathSegment for the given Node.
  * Will use an already set uriPathSegment or alternatively the node name as base,
  * then checks if the uriPathSegment already exists on the same level and appends a counter until a unique path segment was found.
  *
  * @param NodeInterface $node
  * @return void
  */
 public static function setUniqueUriPathSegment(NodeInterface $node)
 {
     if ($node->getNodeType()->isOfType('Neos.Neos:Document')) {
         $q = new FlowQuery(array($node));
         $q = $q->context(array('invisibleContentShown' => true, 'removedContentShown' => true, 'inaccessibleContentShown' => true));
         $possibleUriPathSegment = $initialUriPathSegment = !$node->hasProperty('uriPathSegment') ? $node->getName() : $node->getProperty('uriPathSegment');
         $i = 1;
         while ($q->siblings('[instanceof Neos.Neos:Document][uriPathSegment="' . $possibleUriPathSegment . '"]')->count() > 0) {
             $possibleUriPathSegment = $initialUriPathSegment . '-' . $i++;
         }
         $node->setProperty('uriPathSegment', $possibleUriPathSegment);
     }
 }