3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php (function():int{ return 'foo'; })();
based on H5KmG
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Return value of {closure}() must be of the type integer, string returned in /in/1McsY:3 Stack trace: #0 /in/1McsY(3): {closure}() #1 {main} thrown in /in/1McsY on line 3
Process exited with code 255.
Output for 5.3.18 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/1McsY on line 3
Process exited with code 255.