3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = function ($it) : int { return $it; }; $a("a");
based on lPBEp
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/iXOHq:4 Stack trace: #0 /in/iXOHq(7): {closure}('a') #1 {main} thrown in /in/iXOHq on line 4
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/iXOHq on line 3
Process exited with code 255.