3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = (object) array(); $callback = function & () use (&$a) { return $a; }; $b = &$callback(); $c = &call_user_func($callback); var_dump($b === $a); var_dump($c === $a);
based on 6dFIl
Output for 7.0.0 - 7.2.0
bool(true) bool(true)
Output for 5.3.0 - 5.6.28
Strict Standards: Only variables should be assigned by reference in /in/msaIZ on line 10 bool(true) bool(true)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/msaIZ on line 5
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/msaIZ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/msaIZ on line 5
Process exited with code 255.