public function getReferencedAttributes()
    {
        $arrAttributes = array();
        foreach ($this->arrChildren as $objSetting) {
            $arrAttributes = array_merge($arrAttributes, $objSetting->getReferencedAttributes());
        }
        return $arrAttributes;
    }
public function getReferencedAttributes()
    {
        $arrAttributes = array();
        foreach ($this->arrChildren as $objSetting) {
            $arrAttributes = array_merge($arrAttributes, $objSetting->getReferencedAttributes());
        }
        return $arrAttributes;
    }
public function getReferencedAttributes ( ) { $ arrAttributes = array ( ) ; foreach ( $ this -> arrChildren as $ objSetting ) { $ arrAttributes = array_merge ( $ arrAttributes , $ objSetting -> getReferencedAttributes ( ) ) ; } return $ arrAttributes ; }
Retrieve a list of all referenced attributes within the filter setting.

@return array
Retrieve a list of all referenced attributes within the filter setting .