3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = ["a", "b"]; function search($input) { $result = $input; foreach($input as $a) foreach($input as $b) $result []= $a . $b; array_walk($result); return array_unique($result) } echo json_encode(search($input));
Output for 5.4.0 - 5.4.14
Parse error: syntax error, unexpected '}' in /in/df9OR on line 14
Process exited with code 255.
Output for 5.3.0 - 5.3.24
Parse error: syntax error, unexpected '[' in /in/df9OR on line 3
Process exited with code 255.