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run code in 300+ PHP versions simultaneously
<?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 $e->getMessage(), PHP_EOL; }
Output for 7.0.0 - 7.0.1
Fatal error: Constant expression contains invalid operations in /in/OeQrl on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '$mandatory' (T_VARIABLE) in /in/OeQrl on line 7
Process exited with code 255.
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