3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 'credit/'.sprintf('%03d', substr(1523, -3)).'/1523/';
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
credit/523/1523/