src/Sulu/Component/Content/Compat/Structure.php
public function __isset($property)
    {
        if (null !== $this->findProperty($property)) {
            return true;
        } else {
            return isset($this->$property);
        }
    }
public function __isset($property)
    {
        if (null !== $this->findProperty($property)) {
            return true;
        } else {
            return isset($this->$property);
        }
    }
public function __isset ( $ property ) { if ( null !== $ this -> findProperty ( $ property ) ) { return true ; } else { return isset ( $ this -> $ property ) ; } }
magic isset.

@param $property

@return bool
magic isset .