3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $func = function($param, $block) { echo $block($param); }; $another_func = function() { $block = function($param) { echo $param; }; $func("Hello", $block); }; $another_func(); ?>
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: func in /in/kvuU4 on line 15 Fatal error: Uncaught Error: Function name must be a string in /in/kvuU4:15 Stack trace: #0 /in/kvuU4(18): {closure}() #1 {main} thrown in /in/kvuU4 on line 15
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Notice: Undefined variable: func in /in/kvuU4 on line 15 Fatal error: Function name must be a string in /in/kvuU4 on line 15
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/kvuU4 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/kvuU4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kvuU4 on line 3
Process exited with code 255.