3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = sprintf('%03d', 12); echo $s, PHP_EOL;
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.20, 8.1.0 - 8.1.7
012
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
012 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/aROnh on line 4 PHP_EOL

preferences:
60.53 ms | 410 KiB | 5 Q