3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo '1' . (print '2') + 3;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
214
Output for hhvm-3.14.4
Uncaught exception: std::bad_alloc
Process exited with code 255.