3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $match = 'wordtwo=fuck()'; if (preg_match('/^(\w+)(?:\|(\w+))?(?:=(\w+\(\)))?$/', $match, $var)) { print_r($var); } else { print('Not matching :('); }
Output for 4.3.0 - 7.1.0
Array ( [0] => wordtwo=fuck() [1] => wordtwo [2] => [3] => fuck() )