3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = null; $b = $a ?? clone $a;
based on FRbqr
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: __clone method called on non-object in /in/1sIHm:4 Stack trace: #0 {main} thrown in /in/1sIHm on line 4
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/1sIHm on line 4
Process exited with code 255.