3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "Hello"; $b = function() { echo ",world"; }; $arr = [$a,$b]; array_walk($arr, function() { echo $this; });
Output for 7.1.0
Fatal error: Uncaught Error: Using $this when not in object context in /in/ADNHr:10 Stack trace: #0 [internal function]: {closure}('Hello', 0) #1 /in/ADNHr(11): array_walk(Array, Object(Closure)) #2 {main} thrown in /in/ADNHr on line 10
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.0.14
Notice: Undefined variable: this in /in/ADNHr on line 10 Notice: Undefined variable: this in /in/ADNHr on line 10
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ADNHr on line 7
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/ADNHr 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/ADNHr on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ADNHr on line 5
Process exited with code 255.