How to remake json config?

Question

PHP

There is a json like this
[{ "cards": {"status1": null, "status2": null, "status3": null}, {"status4": null, "status5": null, "status6": null}} ]
how to convert it to this form using php
{ "cards": [{"status1": null, "status2": null, "status3": null}, {"status4": null, "status5": null, "status6" : null}]}

Answer 1

json_decode
Do whatever you want with the array
json_encode