3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4,5); foreach($arr as $key => $row) { echo key($arr), '=>', current($arr), "\r\n"; //next($arr); } echo key($arr), '=>', current($arr), "\r\n";

preferences:
37.54 ms | 402 KiB | 5 Q