3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace middleware; /** * Initialize a middleware action * * @param callable $anAction * @param callable $aNextAction (optional) * @return callable */ function init_action(callable $anAction, callable $aNextAction = null) { return function (...$args) use ($anAction, $aNextAction) { $result = $anAction(...$args); if (is_callable($aNextAction)) { $result = $aNextAction($result); } return $result; }; } $action = init_action(function() { return "foo"; }, function($foo) { echo "I said, $foo"; }); $action();
based on H3Ymq
Output for 5.6.7 - 7.2.0
I said, foo
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/9O71q on line 14
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/9O71q on line 14
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_STRING in /in/9O71q on line 3
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_STRING in /in/9O71q on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9O71q on line 3
Process exited with code 255.