- var_dump: documentation ( source)
- json_decode: documentation ( source)
- http_build_query: documentation ( source)
<?php
$res= json_decode('{"filters":[{"property":"id","name":"id","operation":"eq","value":3}],"values":[{"login":"denis.maximovskikh","locked":1,"country_id":null,"id":3}]}');
$url = http_build_query($res);
var_dump($url);