3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(int $x = NUM) {} foo(12); foo(null);
based on XdW4t
Output for 7.2.0
Warning: Use of undefined constant NUM - assumed 'NUM' (this will throw an Error in a future version of PHP) in /in/7N3R0 on line 3 Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type integer, null given, called in /in/7N3R0 on line 6 and defined in /in/7N3R0:3 Stack trace: #0 /in/7N3R0(6): foo(NULL) #1 {main} thrown in /in/7N3R0 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.1.10
Notice: Use of undefined constant NUM - assumed 'NUM' in /in/7N3R0 on line 3 Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type integer, null given, called in /in/7N3R0 on line 6 and defined in /in/7N3R0:3 Stack trace: #0 /in/7N3R0(6): foo(NULL) #1 {main} thrown in /in/7N3R0 on line 3
Process exited with code 255.
Output for 5.6.4 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be an instance of int, integer given, called in /in/7N3R0 on line 5 and defined in /in/7N3R0 on line 3
Process exited with code 255.
Output for 5.4.0 - 5.6.3
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/7N3R0 on line 3
Process exited with code 255.