3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $numbers = array(1,2,3,4); $total = count($numbers); $sum = 0; $output = ""; $i = 0; foreach($numbers as $number) { $i = $i + 1; if ($i < $total) { echo $number; $output = $number . $output; } } ?>
based on oJQrH
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
123