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<?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 git.master, git.master_jit, rfc.property-hooks
Array ( [0] => cao [1] => pala [2] => temp )

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