575      *

   575      *

   576      * @internal You should not use this directly from another application

   576      * @internal You should not use this directly from another application

   577      *

   577      *

   578      * @param string $str

   578      * @param string $str

   579      * @return SplFixedArray

   579      * @return SplFixedArray

   580      */

   581      */

   581     public static function stringToSplFixedArray($str = '')

   582     public static function stringToSplFixedArray($str = '')

   582     {

   583     {

   583         $values = unpack('C*', $str);

   584         $values = unpack('C*', $str);

   584         return SplFixedArray::fromArray(array_values($values));

   585         return SplFixedArray::fromArray(array_values($values));