They probably mean "Should look like the output of json_encode($data, JSON_PRETTY_PRINT)". Which most PHP devs would be familiar with.
It sounds plausible, but they really need to spell out exactly what the formatting requirements are, because it can make a huge difference in how efficiently you can write the json out.
It sounds plausible, but they really need to spell out exactly what the formatting requirements are, because it can make a huge difference in how efficiently you can write the json out.