3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = function(callable $func) { return $func(); }; $s = function() { echo 'E'; }; $t($s);
Output for 5.4.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.13
E
Output for 5.3.0 - 5.3.29
Catchable fatal error: Argument 1 passed to {closure}() must be an instance of callable, instance of Closure given, called in /in/qAX7O on line 11 and defined in /in/qAX7O on line 3
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_FUNCTION in /in/qAX7O 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_FUNCTION in /in/qAX7O on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/qAX7O on line 3
Process exited with code 255.