data, JSON_PRETTY_PRINT ); $prd_ids = array(); $list_idx = 0; foreach ( $products as $p ) $prd_ids[] = array( 'product_id' => $p->productid, 'list_id' => $p->listid, 'list_idx' => $list_idx ++ ); $str_products = wp_json_encode( $prd_ids, JSON_PRETTY_PRINT ); $uid = uniqid(); ?>