3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types = 1); function thing() : void { } thing();
based on RioUB
Output for 7.1.0 - 7.2.0
Output for 7.0.0 - 7.0.20
Fatal error: Uncaught TypeError: Return value of thing() must be an instance of void, none returned in /in/qCCmA:6 Stack trace: #0 /in/qCCmA(8): thing() #1 {main} thrown in /in/qCCmA on line 6
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/qCCmA on line 1 Parse error: syntax error, unexpected ':', expecting '{' in /in/qCCmA on line 3
Process exited with code 255.