3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('a' => 2, 'b' => 1, 'c' => 4); $first = array(key($array) => current($array)); end($array); array_pop($array); array_shift($array); $array = array_merge(array(key($array) => current($array)), $array, $first); print_r($array);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [b] => 1 [a] => 2 )
Output for hhvm-3.10.0

Process exited with code 153.