3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { } foo(); @blah();
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function blah() in /in/uOIJK:11 Stack trace: #0 {main} thrown in /in/uOIJK on line 11
Process exited with code 255.
Output for 5.3.21 - 5.6.28

Process exited with code 255.