3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_replace_keys($array, $keys) { print_r($keys);die; foreach ($keys as $search => $replace) { if ( isset($array[$search])) { $array[$replace] = $array[$search]; unset($array[$search]); } } return $array; } $var = '[{"player":"Tiger Woods"},{"player":"Gary Player"}]'; $temp = json_decode($var, true); $temp = array_map(function($item){ return array_combine(['golfer'], $item); }, $temp); print_r($temp);

preferences:
28.54 ms | 408 KiB | 5 Q