3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function mandatory() { 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 mJVk0
Output for 7.0.0 - 7.0.1
Fatal error: Constant expression contains invalid operations in /in/Z9QRC on line 7
Process exited with code 255.
Output for 5.3.21 - 5.6.16
Parse error: syntax error, unexpected '(', expecting ')' in /in/Z9QRC on line 7
Process exited with code 255.