Last modified: 2008-04-11 08:33:32 UTC

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Bug 11891 - Add randomseed
Add randomseed
Status: RESOLVED FIXED
Product: MediaWiki extensions
Classification: Unclassified
DynamicPageList2 (Other open bugs)
unspecified
All All
: Normal enhancement (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2007-11-07 01:45 UTC by John Erling Blad
Modified: 2008-04-11 08:33 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description John Erling Blad 2007-11-07 01:45:03 UTC
It is useful to be able to add a random seed. This will make it possible to use random lists which changes content in a controllable fashion.

In addition a call to srand() is changed to mt_srand()

-------------------

219a220,221
>  * @version 1.5.1
>  *                    added: randomseed
222c224
< define('DPL2_VERSION', '1.5.0');               // current version 
---
> define('DPL2_VERSION', '1.5.1');               // current version 
308a311,314
>        * Seed to be used when calling random.
>        */
>       'randomseed'           => array('default' => '', 'pattern' => '/^\d*$/'),
>       /**
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>       $_sRandomSeed = $wgDPL2Options['randomseed']['default'];
>       $iRandomSeed = ($_sRandomSeed == '') ? NULL: intval($_sRandomSeed);
> 
1507a1517,1524
>                       case 'randomseed':
>                               //ensure that $iRandomSeed is a number;
>                               if( preg_match($wgDPL2Options['randomseed']['pattern'], $sArg) )
>                                       $iRandomSeed = ($sArg == '') ? NULL: intval($sArg);
>                               else // wrong value
>                                       $output .= $logger->msgWrongParam('randomseed', $sArg);
>                               break;
> 
2653,2654c2670,2672
<               $nResults = $dbr->numRows( $res ) - $iOffset;
<               srand((float) microtime() * 10000000);
---
>               $nResults = $dbr->numRows( $res ) - $iOffset;
>               if (isset($iRandomSeed)) mt_srand($iRandomSeed);
>               else mt_srand((float) microtime() * 10000000);
Comment 1 John Erling Blad 2007-11-07 01:51:31 UTC
A typical call can be extended with "randomseed={{#time:Ymd}}" to make a dynamic list change once each day, or like "randomseed={{#time:YW}}" to change it once a week.

Note that the page with the list still needs to be purged or updated in some other fashion.
Comment 2 John Erling Blad 2008-04-11 08:33:32 UTC
This is now included in the DPL functionality.

[[:no:Jeblad]]

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