public function id() {
		$id = $this->slug;
		if ( ! empty( $this->parent ) ) {
			$id = $this->parent->id() . '-' . $this->slug;
		}

		return $id;
	}
public function id() {
		$id = $this->slug;
		if ( ! empty( $this->parent ) ) {
			$id = $this->parent->id() . '-' . $this->slug;
		}

		return $id;
	}
public function id ( ) { $ id = $ this -> slug ; if ( ! empty ( $ this -> parent ) ) { $ id = $ this -> parent -> id ( ) . '-' . $ this -> slug ; } return $ id ; }
uix object id

@since  1.0.0
@access public
@return string The object ID
uix object id