3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define('test', function($input) { $output = $input; // do something here return $output; }); $n = test(123);
Output for 7.0.0 - 7.1.0
Warning: Constants may only evaluate to scalar values or arrays in /in/LkNAi on line 8 Fatal error: Uncaught Error: Call to undefined function test() in /in/LkNAi:10 Stack trace: #0 {main} thrown in /in/LkNAi on line 10
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Warning: Constants may only evaluate to scalar values in /in/LkNAi on line 8 Fatal error: Call to undefined function test() in /in/LkNAi on line 10
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/LkNAi 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/LkNAi on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LkNAi on line 3
Process exited with code 255.