3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = [ "test", "test2" ]; $b = [1, 2]; echo implode(', ', array_map(function ($entry) { return $entry['tag_name']; }, $input));
based on ltBZ0
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: input in /in/YYBj0 on line 11 Warning: array_map(): Argument #2 should be an array in /in/YYBj0 on line 11 Warning: implode(): Invalid arguments passed in /in/YYBj0 on line 11
Output for hhvm-3.12.0
Notice: Undefined variable: input in /in/YYBj0 on line 11 Warning: array_map(): Argument #2 should be an array or collection Warning: Invalid operand type was used: implode() expects a container as one of the arguments in /in/YYBj0 on line 11
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/YYBj0 on line 2
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 '[' in /in/YYBj0 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YYBj0 on line 2
Process exited with code 255.