3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $mandatory = function () { throw new Exception('Mandatory Argument is Missing'); }; function hello($argument = $mandatory) { echo $argument, PHP_EOL; } try { hello('Hello World'); hello(); } catch (Exception $e) { echo $e->getMessage(), PHP_EOL; }
based on qaSff
Output for 7.0.0 - 7.0.1
Fatal error: Constant expression contains invalid operations in /in/OeQrl on line 7
Process exited with code 255.
Output for 5.4.11 - 5.6.16
Parse error: syntax error, unexpected '$mandatory' (T_VARIABLE) in /in/OeQrl on line 7
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/OeQrl on line 7
Process exited with code 255.