3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{ "uid":1, "selected":[ { "questionsid":1, "val":"1" }, { "questionsid":2, "val":"1" } ] }'; $_POST = json_decode($json, true); $uid = $_POST['uid']; $answers = $_POST['selected']; $current = ''; $current .= "uid: $uid\n"; foreach ($answers as $item) { $line = ''; foreach ($item as $key => $value) { $line .= "$key: $value, "; } $current .= rtrim($line, ', ')."\n"; } print_r($current);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
uid: 1 questionsid: 1, val: 1 questionsid: 2, val: 1

preferences:
149.41 ms | 408 KiB | 5 Q