Online PHP editor | refs for DCp6N

<?php /* * This code should loop through $data, converting null to 0. * * If it finds an array inside the data, it loops through that * converting null values to 0. * * The error'ed line throws the following PHP error which breaks the code: * ------- * PHP Warning: Cannot use a scalar value as an array * ------- */ $data = json_decode('{"last":"0.692776960","high":"0.692776960","low":"0.692776960","avg":0.6928,"vol":"0.252273837","vols":{"bid":null,"ask":null}}', true); $new_data = array_replace_recursive($data, function ($value) { if ($value === null) { return 0; } }); var_dump($new_data);