Array ( )

Array ( [0] => 614 [1] => 615 [2] => 621 [3] => 644 )

Array ( [0] => Array ( [term_taxonomy_id] => 614 [term_id] => 614 [taxonomy] => product_cat [parent] => 613 ) [1] => Array ( [term_taxonomy_id] => 615 [term_id] => 615 [taxonomy] => product_cat [parent] => 613 ) [2] => Array ( [term_taxonomy_id] => 621 [term_id] => 621 [taxonomy] => product_cat [parent] => 613 ) [3] => Array ( [term_taxonomy_id] => 644 [term_id] => 644 [taxonomy] => product_cat [parent] => 613 ) )