original_string: public function generateId()
      {
          return sprintf(
              '%08X-%04X-%04X-%02X%02X-%012X',
              mt_rand(),
              mt_rand(0, 65535),
              bindec(substr_replace(
                  sprintf('%016b', mt_rand(0, 65535)), '0100', 11, 4)
              ),
              bindec(substr_replace(sprintf('%08b', mt_rand(0, 255)), '01', 5, 2)),
              mt_rand(0, 255),
              mt_rand()
          );
      }
code: public function generateId()
      {
          return sprintf(
              '%08X-%04X-%04X-%02X%02X-%012X',
              mt_rand(),
              mt_rand(0, 65535),
              bindec(substr_replace(
                  sprintf('%016b', mt_rand(0, 65535)), '0100', 11, 4)
              ),
              bindec(substr_replace(sprintf('%08b', mt_rand(0, 255)), '01', 5, 2)),
              mt_rand(0, 255),
              mt_rand()
          );
      }
code_tokens: public function generateId ( ) { return sprintf ( '%08X-%04X-%04X-%02X%02X-%012X' , mt_rand ( ) , mt_rand ( 0 , 65535 ) , bindec ( substr_replace ( sprintf ( '%016b' , mt_rand ( 0 , 65535 ) ) , '0100' , 11 , 4 ) ) , bindec ( substr_replace ( sprintf ( '%08b' , mt_rand ( 0 , 255 ) ) , '01' , 5 , 2 ) ) , mt_rand ( 0 , 255 ) , mt_rand ( ) ) ; }
docstring: generate a unique id
  
  Format is: ########-####-####-####-############
  Where # is an uppercase letter or number
  example: 6D9DC7EC-A273-83A9-ABE3-00005FD752D6
  
  @return string
docstring_tokens: generate a unique id