3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function my_function(callable $a) { $a('hello'); } my_function('print');
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to my_function() must be callable, string given, called in /in/ci8o9 on line 7 and defined in /in/ci8o9:3 Stack trace: #0 /in/ci8o9(7): my_function('print') #1 {main} thrown in /in/ci8o9 on line 3
Process exited with code 255.
Output for 5.4.9 - 5.6.28
Catchable fatal error: Argument 1 passed to my_function() must be callable, string given, called in /in/ci8o9 on line 7 and defined in /in/ci8o9 on line 3
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Catchable fatal error: Argument 1 passed to my_function() must be an instance of callable, string given, called in /in/ci8o9 on line 7 and defined in /in/ci8o9 on line 3
Process exited with code 255.