3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $Jack = 'world'; @printf("Hello " . $Jack . "!\n"); @printf("Hello " . Jack . "!\n"); ?>
based on NoI7q
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Hello world! Hello Jack!
Output for hhvm-3.10.0

Process exited with code 153.