3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = [1, 2, 3, 4]; $array2 = [5, 6, 7, 8]; $function = function($array) { if ($array == 1) { $function($array); } return $array; }; var_dump(array_map($function, $array));
based on ZgQQ2
Output for 7.0.0 - 7.2.0
Notice: Undefined variable: function in /in/HLBv8 on line 8 Fatal error: Uncaught Error: Function name must be a string in /in/HLBv8:8 Stack trace: #0 [internal function]: {closure}(1) #1 /in/HLBv8(14): array_map(Object(Closure), Array) #2 {main} thrown in /in/HLBv8 on line 8
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Notice: Undefined variable: function in /in/HLBv8 on line 8 Fatal error: Function name must be a string in /in/HLBv8 on line 8
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/HLBv8 on line 3
Process exited with code 255.