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run code in 200+ php & hhvm versions
Bugs & Features
<?php define('OK', function_exists('ok')); var_dump( OK ); class A{ const OK = function_exists('ok'); } var_dump( A::OK );
based on KgaIO
Output for 7.0.0 - 7.1.6
Fatal error: Constant expression contains invalid operations in /in/tOnQh on line 7
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected '(', expecting ',' or ';' in /in/tOnQh:7 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/tOnQh on line 7
Process exited with code 255.