3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $callback = function ($p1, $p2) use (&$count, $values) { echo "OK!"; }; var_dump($callback);
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: values in /in/srfUt on line 3 object(Closure)#1 (2) { ["static"]=> array(2) { ["count"]=> &NULL ["values"]=> NULL } ["parameter"]=> array(2) { ["$p1"]=> string(10) "<required>" ["$p2"]=> string(10) "<required>" } }
Output for hhvm-3.12.0
Notice: Undefined variable: values in /in/srfUt on line 3 object(Closure$;866246303$b9cff01a738f3bec26e88fe5889b8a50$)#1 (2) { ["static"]=> array(2) { ["count"]=> &NULL ["values"]=> NULL } ["parameter"]=> array(2) { ["$p1"]=> string(10) "<required>" ["$p2"]=> string(10) "<required>" } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/srfUt 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/srfUt on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/srfUt on line 3
Process exited with code 255.