3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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";
Output for 4.3.0 - 4.4.0, 4.4.2 - 5.2.3, hhvm-3.12.0, 7.0.0 - 7.1.0
0=>1 1=>2 2=>3 3=>4 4=>5 =>
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.4 - 5.6.28
1=>2 2=>3 3=>4 4=>5 => =>
Output for 4.4.1
1=>2 1=>2 2=>3 3=>4 4=>5 =>