How to get selected taxonomy or category ID if using custom walker?
May be easier to just work with it, than against it… Instead of: $cat_id = sanitize_text_field($_POST[‘cat’]); Try: $cat_name = sanitize_text_field( $_POST[‘cat’] ); $cat = get_term_by( ‘name’, $cat_name, ‘category’ ); $cat_id = $cat->term_id;