3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = '[{"player":"Tiger Woods"},{"player":"Gary Player"}]'; $temp = json_decode($var, true); function json_change_key($arr, $oldkey, $newkey) { $json = str_replace('"'.$oldkey.'":', '"'.$newkey.'":', json_encode($arr)); return json_decode($json, true); } $temp = json_change_key($temp, 'player', 'golfer'); print_r($temp);
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [golfer] => Tiger Woods ) [1] => Array ( [golfer] => Gary Player ) )

preferences:
85.65 ms | 1518 KiB | 4 Q