3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php Echo "hello";
Output for 5.4.0 - 5.6.30, hhvm-3.10.1 - 3.13.2, hhvm-3.15.4 - 3.17.1, 7.0.0 - 7.1.1
hello
Output for hhvm-3.14.5
Uncaught exception: std::bad_alloc
Process exited with code 255.