includes/SpecialWhatlinkshere.php

   1 <?php
   2
   3 function wfSpecialWhatlinkshere($par = NULL)
   4 {
   5         global $wgUser, $wgOut, $target;
   6         $fname = "wfSpecialWhatlinkshere";
   7
   8         if($par) {
   9                 $target = $par;
  10         } else {
  11                 $target = $_REQUEST['target'] ;
  12         }
  13         if ( "" == $target ) {
  14                 $wgOut->errorpage( "notargettitle", "notargettext" );
  15                 return;
  16         }
  17         $nt = Title::newFromURL( $target );
  18         if( !$nt ) {
  19                 $wgOut->errorpage( "notargettitle", "notargettext" );
  20                 return;
  21         }
  22         $wgOut->setPagetitle( $nt->getPrefixedText() );
  23         $wgOut->setSubtitle( wfMsg( "linklistsub" ) );
  24
  25         $id = $nt->getArticleID();
  26         $sk = $wgUser->getSkin();
  27         $isredir = " (" . wfMsg( "isredirect" ) . ")\n";
  28
  29         if ( 0 == $id ) {
  30                 $sql = "SELECT cur_id,cur_namespace,cur_title,cur_is_redirect FROM brokenlinks,cur WHERE bl_to='" .
  31                   wfStrencode( $nt->getPrefixedDBkey() ) . "' AND bl_from=cur_id LIMIT 500";
  32                 $res = wfQuery( $sql, DB_READ, $fname );
  33
  34                 if ( 0 == wfNumRows( $res ) ) {
  35                         $wgOut->addHTML( wfMsg( "nolinkshere" ) );
  36                 } else {
  37                         $wgOut->addHTML( wfMsg( "linkshere" ) );
  38                         $wgOut->addHTML( "\n<ul>" );
  39
  40                         while ( $row = wfFetchObject( $res ) ) {
  41                                 $nt = Title::makeTitle( $row->cur_namespace, $row->cur_title );
  42                                 if( !$nt ) {
  43                                         continue;
  44                                 }
  45                                 $link = $sk->makeKnownLinkObj( $nt, "", "redirect=no" );
  46                                 $wgOut->addHTML( "<li>{$link}" );
  47
  48                                 if ( $row->cur_is_redirect ) {
  49                                         $wgOut->addHTML( $isredir );
  50                                         wfShowIndirectLinks( 1, $row->cur_id );
  51                                 }
  52                                 $wgOut->addHTML( "</li>\n" );
  53                         }
  54                         $wgOut->addHTML( "</ul>\n" );
  55                         wfFreeResult( $res );
  56                 }
  57         } else {
  58                 wfShowIndirectLinks( 0, $id );
  59         }
  60 }
  61
  62 function wfShowIndirectLinks( $level, $lid )
  63 {
  64         global $wgOut, $wgUser;
  65         $fname = "wfShowIndirectLinks";
  66
  67         $sql = "SELECT cur_id,cur_namespace,cur_title,cur_is_redirect FROM links,cur WHERE l_to={$lid} AND l_from=cur_id LIMIT 500";
  68         $res = wfQuery( $sql, DB_READ, $fname );
  69
  70         if ( 0 == wfNumRows( $res ) ) {
  71                 if ( 0 == $level ) {
  72                         $wgOut->addHTML( wfMsg( "nolinkshere" ) );
  73                 }
  74                 return;
  75         }
  76         if ( 0 == $level ) {
  77                 $wgOut->addHTML( wfMsg( "linkshere" ) );
  78         }
  79         $sk = $wgUser->getSkin();
  80         $isredir = " (" . wfMsg( "isredirect" ) . ")\n";
  81
  82         $wgOut->addHTML( "<ul>" );
  83         while ( $row = wfFetchObject( $res ) ) {
  84                 $nt = Title::makeTitle( $row->cur_namespace, $row->cur_title );
  85                 if( !$nt ) {
  86                         $wgOut->addHTML( "<!-- bad backlink: " . htmlspecialchars( $row->l_from ) . " -->\n" );
  87                         continue;
  88                 }
  89
  90                 if ( $row->cur_is_redirect ) {
  91                     $extra = "redirect=no";
  92                 } else {
  93                     $extra = "";
  94                 }
  95
  96                 $link = $sk->makeKnownLinkObj( $nt, "", $extra );
  97                 $wgOut->addHTML( "<li>{$link}" );
  98
  99                 if ( $row->cur_is_redirect ) {
 100                     $wgOut->addHTML( $isredir );
 101                     if ( $level < 2 ) {
 102                         wfShowIndirectLinks( $level + 1, $row->cur_id );
 103                     }
 104                 }
 105                 $wgOut->addHTML( "</li>\n" );
 106         }
 107         $wgOut->addHTML( "</ul>\n" );
 108 }
 109
 110 ?>