3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array (0 ,1); next($x); $y = $x; echo 'a'.current($x); next($x); $z = $x; echo 'b'.current($z); // * echo 'c'.current($x); ?>

preferences:
32.65 ms | 402 KiB | 5 Q