3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $value = '2A'; $length = (strlen($value) == 3) ? 3 : 2; echo str_pad($value, $length, '0', STR_PAD_LEFT);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2A