code: public static function hashPassword($pPassword)
      {
          $password = 0x0000;
          $charPos = 1; // char position
  
          // split the plain text password in its component characters
          $chars = preg_split('//', $pPassword, -1, PREG_SPLIT_NO_EMPTY);
          foreach ($chars as $char) {
              $value = ord($char) << $charPos++; // shifted ASCII value
              $rotated_bits = $value >> 15; // rotated bits beyond bit 15
              $value &= 0x7fff; // first 15 bits
              $password ^= ($value | $rotated_bits);
          }
  
          $password ^= strlen($pPassword);
          $password ^= 0xCE4B;
  
          return strtoupper(dechex($password));
      }
docs: Create a password hash from a given string.
  
  This method is based on the algorithm provided by
  Daniel Rentz of OpenOffice and the PEAR package
  Spreadsheet_Excel_Writer by Xavier Noguer <xnoguer@rezebra.com>.
  
  @param string $pPassword Password to hash
  
  @return string Hashed password