Update auf 1.13.0

1 files changed, 46 insertions, 0 deletions

diff --git a/includes/specials/SpecialUnusedcategories.php b/includes/specials/SpecialUnusedcategories.php
new file mode 100644
index 00000000..406f7944
--- /dev/null
+++ b/includes/specials/SpecialUnusedcategories.php
@@ -0,0 +1,46 @@
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * @ingroup SpecialPage
+ */
+class UnusedCategoriesPage extends QueryPage {
+
+	function isExpensive() { return true; }
+
+	function getName() {
+		return 'Unusedcategories';
+	}
+
+	function getPageHeader() {
+		return wfMsgExt( 'unusedcategoriestext', array( 'parse' ) );
+	}
+
+	function getSQL() {
+		$NScat = NS_CATEGORY;
+		$dbr = wfGetDB( DB_SLAVE );
+		list( $categorylinks, $page ) = $dbr->tableNamesN( 'categorylinks', 'page' );
+		return "SELECT 'Unusedcategories' as type,
+				{$NScat} as namespace, page_title as title, page_title as value
+				FROM $page
+				LEFT JOIN $categorylinks ON page_title=cl_to
+				WHERE cl_from IS NULL
+				AND page_namespace = {$NScat}
+				AND page_is_redirect = 0";
+	}
+
+	function formatResult( $skin, $result ) {
+		$title = Title::makeTitle( NS_CATEGORY, $result->title );
+		return $skin->makeLinkObj( $title, $title->getText() );
+	}
+}
+
+/** constructor */
+function wfSpecialUnusedCategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+	$uc = new UnusedCategoriesPage();
+	return $uc->doQuery( $offset, $limit );
+}