3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo sprintf('%.4d %.4f', 0xFF, 0xFF); echo printf("%d and %.2f makes %o", 4+7,4/7,47);
based on tZtdJ
Output for 4.3.7 - 7.2.0
255 255.000011 and 0.57 makes 5720
Output for 4.3.0 - 4.3.6
255 255.000011 and 0.57 makes 57