3v4l.org

run code in 200+ php & hhvm versions
<?php $cb = function (int $bar = "42") { };
based on Sva6t
Output for 7.0.3 - 7.0.6
Fatal error: Default value for parameters with a integer type can only be integer or NULL in /in/gq95J on line 2
Process exited with code 255.
Output for 7.0.0 - 7.0.2
Fatal error: Default value for parameters with a integer type hint can only be integer or NULL in /in/gq95J on line 2
Process exited with code 255.
Output for 5.3.0 - 5.6.21
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/gq95J on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/gq95J on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/gq95J on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gq95J on line 2
Process exited with code 255.