Modify PHP array structure for JSON encoding

Question

How can I turn an array like this:

Array ( [1396076400000] => 1587 [1396162800000] => 1776 [1396249200000] => 2860 )

into a JSON array with this format:

[[1396076400000,1587],[1396162800000,1776],[1396249200000,2860]]

I've tried json_encode() but it seems I need to do some work on the array structure before I call that. How can I convert the keys and values of one array into the format that I need?

foreach array as key => value items = [value, key], json_encode items. — Tomasz Kowalczyk
– Tomasz Kowalczyk, Commented Apr 16, 2014 at 19:06

Stackia · Accepted Answer · 2014-04-16 19:16:58Z

2

function json_custom_encode($arr)
{
    foreach ($arr as $key => $value) {
        $newArr[] = array($key, $value);
    }
    return json_encode($newArr);
}

Try this instead of json_encode.

answered Apr 16, 2014 at 19:16

Stackia

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