public function getChildren()
    {
        $property = $this->_propertyExtractor($this->_nestKey);

        return new static($property($this->current()), $this->_nestKey);
    }
public function getChildren()
    {
        $property = $this->_propertyExtractor($this->_nestKey);

        return new static($property($this->current()), $this->_nestKey);
    }
public function getChildren ( ) { $ property = $ this -> _propertyExtractor ( $ this -> _nestKey ) ; return new static ( $ property ( $ this -> current ( ) ) , $ this -> _nestKey ) ; }
Returns a traversable containing the children for the current item

@return \Traversable
Returns a traversable containing the children for the current item