Array ( )

Array ( [0] => 631 [1] => 633 [2] => 634 [3] => 645 )

Array ( [0] => Array ( [term_taxonomy_id] => 631 [term_id] => 631 [taxonomy] => product_cat [parent] => 740 ) [1] => Array ( [term_taxonomy_id] => 633 [term_id] => 633 [taxonomy] => product_cat [parent] => 740 ) [2] => Array ( [term_taxonomy_id] => 634 [term_id] => 634 [taxonomy] => product_cat [parent] => 740 ) [3] => Array ( [term_taxonomy_id] => 645 [term_id] => 645 [taxonomy] => product_cat [parent] => 740 ) )