public function getCategoryIDs()
    {
        $ids = array();
        //ancestors
        foreach ($this->getAncestors() as $ancestor) {
            $ids[$ancestor->ID] = $ancestor->ID;
        }
        //additional categories
        $ids += $this->ProductCategories()->getIDList();

        return $ids;
    }
public function getCategoryIDs()
    {
        $ids = array();
        //ancestors
        foreach ($this->getAncestors() as $ancestor) {
            $ids[$ancestor->ID] = $ancestor->ID;
        }
        //additional categories
        $ids += $this->ProductCategories()->getIDList();

        return $ids;
    }
public function getCategoryIDs ( ) { $ ids = array ( ) ; //ancestors foreach ( $ this -> getAncestors ( ) as $ ancestor ) { $ ids [ $ ancestor -> ID ] = $ ancestor -> ID ; } //additional categories $ ids += $ this -> ProductCategories ( ) -> getIDList ( ) ; return $ ids ; }
Get ids of all categories that this product appears in.

@return array ids list
Get ids of all categories that this product appears in .