3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(null ?? foo());
based on GIRTB
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function foo() in /in/tdoMU:3 Stack trace: #0 {main} thrown in /in/tdoMU on line 3
Process exited with code 255.
Output for 5.3.18 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/tdoMU on line 3
Process exited with code 255.