Array ( )

Array ( [0] => 660 [1] => 669 [2] => 684 [3] => 770 )

Array ( [0] => Array ( [term_taxonomy_id] => 660 [term_id] => 660 [taxonomy] => product_cat [parent] => 736 ) [1] => Array ( [term_taxonomy_id] => 669 [term_id] => 669 [taxonomy] => product_cat [parent] => 736 ) [2] => Array ( [term_taxonomy_id] => 684 [term_id] => 684 [taxonomy] => product_cat [parent] => 736 ) [3] => Array ( [term_taxonomy_id] => 770 [term_id] => 770 [taxonomy] => product_cat [parent] => 736 ) )