3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "cao isso pala só temp que pala vai temp aparecer temp aqui cao"; $match=array(); preg_match_all('#\b(pala|cao|temp)\b#', $str, $match ); $return = array_unique( $match[0] ); print_r($return);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => cao [1] => pala [2] => temp )