public static function wrapMany(array $keys)
    {
        foreach ($keys as &$key) {
            $key = self::wrap($key);
        }

        return $keys;
    }
public static function wrapMany(array $keys)
    {
        foreach ($keys as &$key) {
            $key = self::wrap($key);
        }

        return $keys;
    }
public static function wrapMany ( array $ keys ) { foreach ( $ keys as & $ key ) { $ key = self :: wrap ( $ key ) ; } return $ keys ; }
Wrap many keys

@param array $keys
@return array
Wrap many keys