3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function a(bool $a){} a('a');
based on kQ8GL
Output for 7.0.0 - 7.2.0
Output for 5.3.18 - 5.6.28
Catchable fatal error: Argument 1 passed to a() must be an instance of bool, string given, called in /in/20YDL on line 5 and defined in /in/20YDL on line 3
Process exited with code 255.