1 files changed, 78 insertions, 0 deletions
diff --git a/includes/specials/SpecialMostlinkedcategories.php b/includes/specials/SpecialMostlinkedcategories.php
new file mode 100644
index 00000000..ab250675
--- /dev/null
+++ b/includes/specials/SpecialMostlinkedcategories.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * A querypage to show categories ordered in descending order by the pages  in them
+ *
+ * @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
+ */
+class MostlinkedCategoriesPage extends QueryPage {
+
+	function getName() { return 'Mostlinkedcategories'; }
+	function isExpensive() { return true; }
+	function isSyndicated() { return false; }
+
+	function getSQL() {
+		$dbr = wfGetDB( DB_SLAVE );
+		$categorylinks = $dbr->tableName( 'categorylinks' );
+		$name = $dbr->addQuotes( $this->getName() );
+		return
+			"
+			SELECT
+				$name as type,
+				" . NS_CATEGORY . " as namespace,
+				cl_to as title,
+				COUNT(*) as value
+			FROM $categorylinks
+			GROUP BY cl_to
+			";
+	}
+
+	function sortDescending() { return true; }
+
+	/**
+	 * Fetch user page links and cache their existence
+	 */
+	function preprocessResults( $db, $res ) {
+		$batch = new LinkBatch;
+		while ( $row = $db->fetchObject( $res ) )
+			$batch->add( $row->namespace, $row->title );
+		$batch->execute();
+
+		// Back to start for display
+		if ( $db->numRows( $res ) > 0 )
+			// If there are no rows we get an error seeking.
+			$db->dataSeek( $res, 0 );
+	}
+
+	function formatResult( $skin, $result ) {
+		global $wgLang, $wgContLang;
+
+		$nt = Title::makeTitle( $result->namespace, $result->title );
+		$text = $wgContLang->convert( $nt->getText() );
+
+		$plink = $skin->makeLinkObj( $nt, htmlspecialchars( $text ) );
+
+		$nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape'),
+			$wgLang->formatNum( $result->value ) );
+		return wfSpecialList($plink, $nlinks);
+	}
+}
+
+/**
+ * constructor
+ */
+function wfSpecialMostlinkedCategories() {
+	list( $limit, $offset ) = wfCheckLimits();
+
+	$wpp = new MostlinkedCategoriesPage();
+
+	$wpp->doQuery( $offset, $limit );
+}