3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function fun(boolean $bool): boolean { return $bool; } do_the_thing((bool) true);
based on d9tEK
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function do_the_thing() in /in/5vpOc:4 Stack trace: #0 {main} thrown in /in/5vpOc on line 4
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/5vpOc on line 3
Process exited with code 255.