string(6) "$where"
string(0) ""
array(5) {
  ["where"]=>
  string(6) "$where"
  ["order"]=>
  string(53) "category_post.list_order asc,post.published_time desc"
  ["categoryIds"]=>
  string(15) "$category['id']"
  ["item"]=>
  string(4) "data"
  ["limit"]=>
  string(1) "6"
}