/application/helpers/uuid.php

https://github.com/lmorchard/friendfeedarchiver · PHP · 24 lines · 11 code · 2 blank · 11 comment · 0 complexity · 38f08e2336c31382a95141528b359ef3 MD5 · raw file 

    

  1. <?php
    2. 

  2. /**
    3. 

  3.  * Generate UUIDs
    4. 

  4.  *
    5. 

  5.  * @package OpenInterocitor
    6. 

  6.  * @author  l.m.orchard@pobox.com
    7. 

  7.  * @licence Share and Enjoy
    8. 

  8.  */
    9. 

  9. class uuid_Core
    10. 

  10. {
    11. 

  11. 

  12.     /**
    13. 

  13.      * Produce a UUID per RFC 4122, version 4 
    14. 

  14.      * See also: http://us.php.net/manual/en/function.uniqid.php#69164
    15. 

  15.      */
    16. 

  16.     public static function uuid() {
    17. 

  17.         return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
    18. 

  18.             mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
    19. 

  19.             mt_rand( 0, 0x0fff ) | 0x4000,
    20. 

  20.             mt_rand( 0, 0x3fff ) | 0x8000,
    21. 

  21.             mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ) );
    22. 

  22.     }
    23. 

  23. 

  24. }
    25.