3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = function () { return 'b'; }(); echo $a;
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.1.6
Parse error: syntax error, unexpected '(' in /in/XBR4T on line 3
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected '(' in /in/XBR4T:3 Stack trace: #0 {main}
Process exited with code 255.