3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php static $log = ""; $log .= sprintf("--%s--\n", "foo"); print $log; ?>
based on sX96v
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
--foo--
Output for hhvm-3.10.0

Process exited with code 153.