string(3) "YEP"

array(4) {
  ["filter_marka"]=>
  string(5) "digel"
  ["filter_meret"]=>
  string(8) "28,30,34"
  ["filter_meretallas"]=>
  string(10) "hosszitott"
  ["query_type_marka"]=>
  string(2) "or"
}