3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $count = 0; $counter1 = function () use ($count) { echo $count; }; $counter2 = function () { echo $count; }; $counter1(); $count = 1; $counter1(); $count = 2; $counter2();
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
00 Notice: Undefined variable: count in /in/ti7Qa on line 10
Output for hhvm-3.10.0
00 Notice: Undefined variable: count in /in/ti7Qa on line 27
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/ti7Qa 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/ti7Qa on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ti7Qa on line 5
Process exited with code 255.