/**
 * Takes a needle and haystack (just like in_array()) and does a wildcard search on it's values.
 *
 * @param    string        $string        Needle to find
 * @param    array        $array        Haystack to look through
 * @result    array                    Returns the elements that the $string was found in
 */
function wildcard_in_array ($string, $array = array ())
{       
    foreach ($array as $key => $value) {
        unset ($array[$key]);
        if (strpos($value, $string) !== false) {
            $array[$key] = $value;
        }
    }       
    return $array;
}

find needle w/ wildcard in an array

PHP