3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(sprintf('%u', -1380556906));
Output for 5.2.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(20) "18446744072328994710"
Output for 4.3.0 - 5.2.3
string(10) "2914410390"