3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $test = array(5.01,5.4,5.1,5.2,5.3,5.5,4.2,4.05,6.9); function sortByOrder($a, $b) { return ceil($a - $b); } usort($test, 'sortByOrder'); print_r($test);
Output for 4.3.0 - 7.1.0
Array ( [0] => 4.05 [1] => 4.2 [2] => 5.01 [3] => 5.1 [4] => 5.2 [5] => 5.3 [6] => 5.4 [7] => 5.5 [8] => 6.9 )