3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('a' => 2, 'b' => 1, 'c' => 4); krsort($array); print_r($array); $array = array('q' => 2, 'b' => 1, 'z' => 4); $array = array_reverse($array); print_r($array); $array = array('a' => 2, 'b' => 1, 'c' => 4); $first = array(key($array) => current($array)); array_shift($array); end($array); $last = array(key($array) => current($array)); array_pop($array); $array = array_merge($last, $array, $first); print_r($array);
Output for 4.3.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [c] => 4 [b] => 1 [a] => 2 ) Array ( [z] => 4 [b] => 1 [q] => 2 ) Array ( [c] => 4 [b] => 1 [a] => 2 )