includes/SpecialRandompage.php

   1 <?
   2
   3 function wfSpecialRandompage()
   4 {
   5         global $wgOut, $wgTitle, $wgArticle, $force;
   6         $fname = "wfSpecialRandompage";
   7
   8         wfSeedRandom();
   9         $rand = mt_rand() / mt_getrandmax();
  10         # interpolation and sprintf() can muck up with locale-specific decimal separator
  11         $randstr = number_format( $rand, 12, ".", "" );
  12         $sqlget = "SELECT cur_id,cur_title
  13                 FROM cur USE INDEX (cur_random)
  14                 WHERE cur_namespace=0 AND cur_is_redirect=0
  15                 AND cur_random>$randstr
  16                 ORDER BY cur_random
  17                 LIMIT 1";
  18         $res = wfQuery( $sqlget, DB_READ, $fname );
  19         if( $s = wfFetchObject( $res ) ) {
  20                 $rt = wfUrlEncode( $s->cur_title );
  21         } else {
  22                 # No articles?!
  23                 $rt = "";
  24         }
  25
  26         $wgOut->reportTime(); # for logfile
  27         $wgOut->redirect( wfLocalUrl( $rt ) );
  28 }
  29
  30 ?>