3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(printf('%.1f',5.3));
Output for 4.3.7 - 7.1.7, 7.2.0
5.3int(3)
Output for 7.1.10

Process exited with code 137.
Output for 4.3.0 - 4.3.6
5.3NULL