1 files changed, 58 insertions, 0 deletions
diff --git a/includes/specials/SpecialMostcategories.php b/includes/specials/SpecialMostcategories.php
new file mode 100644
index 00000000..e6810999
--- /dev/null
+++ b/includes/specials/SpecialMostcategories.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ *
+ * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+/**
+ * implements Special:Mostcategories
+ * @ingroup SpecialPage
+ */
+class MostcategoriesPage extends QueryPage {
+
+	function getName() { return 'Mostcategories'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr = wfGetDB( DB_SLAVE );
+		list( $categorylinks, $page) = $dbr->tableNamesN( 'categorylinks', 'page' );
+		return
+			"
+			SELECT
+			 	'Mostcategories' as type,
+				page_namespace as namespace,
+				page_title as title,
+				COUNT(*) as value
+			FROM $categorylinks
+			LEFT JOIN $page ON cl_from = page_id
+			WHERE page_namespace = " . NS_MAIN . "
+			GROUP BY page_namespace, page_title
+			HAVING COUNT(*) > 1
+			";
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang;
+		$title = Title::makeTitleSafe( $result->namespace, $result->title );
+		if ( !$title instanceof Title ) { throw new MWException('Invalid title in database'); }
+		$count = wfMsgExt( 'ncategories', array( 'parsemag', 'escape' ), $wgLang->formatNum( $result->value ) );
+		$link = $skin->makeKnownLinkObj( $title, $title->getText() );
+		return wfSpecialList( $link, $count );
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostcategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostcategoriesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}