mod/wiki/ewiki/plugins/page/orphanedpages.php

   1 <?php
   2
   3 #  lists all pages, which are not referenced from others
   4 #  (works rather unclean and dumb)
   5
   6
   7 define("EWIKI_PAGE_ORPHANEDPAGES", "OrphanedPages");
   8 $ewiki_plugins["page"][EWIKI_PAGE_ORPHANEDPAGES] = "ewiki_page_orphanedpages";
   9
  10
  11 function ewiki_page_orphanedpages($id, $data, $action) {
  12
  13    global $ewiki_links;
  14
  15    $o = ewiki_make_title($id, $id, 2);
  16
  17    $pages = array();
  18    $refs = array();
  19    $orphaned = array();
  20
  21    #-- read database
  22    $db = ewiki_database("GETALL", array("refs", "flags"));
  23    $n=0;
  24    while ($row = $db->get()) {
  25
  26       $p = $row["id"];
  27
  28       #-- remove self-reference
  29       $row["refs"] = str_replace("\n$p\n", "\n", $row["refs"]);
  30
  31       #-- add to list of referenced pages
  32       $rf = explode("\n", trim($row["refs"]));
  33       $refs = array_merge($refs, $rf);
  34       if ($n++ > 299) {
  35          $refs = array_unique($refs);
  36          $n=0;
  37       } // (clean-up only every 300th loop)
  38
  39       #-- add page name
  40       if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_TEXT) {
  41          $pages[] = $row["id"];
  42       }
  43    }
  44    $refs = array_unique($refs);
  45
  46     #-- check pages to be referenced from somewhere
  47     foreach ($pages as $p) {
  48         if (!ewiki_in_array($p, $refs)) {
  49             if (!EWIKI_PROTECTED_MODE || EWIKI_PROTECTED_MODE_HIDING || ewiki_auth($p, $uu, "view")) {
  50                 $orphaned[] = $p;
  51             }
  52         }
  53     }
  54
  55    #-- output
  56    $o .= ewiki_list_pages($orphaned, 0);
  57
  58    return($o);
  59 }
  60
  61
  62 ?>