+
+ /**
+ * Does this namespace contain content, for the purposes of calculating
+ * statistics, etc?
+ *
+ * @param $index Int: index to check
+ * @return bool
+ */
+ public static function isContent( $index ) {
+ global $wgContentNamespaces;
+ return $index == NS_MAIN || in_array( $index, $wgContentNamespaces );
+ }
+
+ /**
+ * Can pages in a namespace be watched?
+ *
+ * @param $index Int
+ * @return bool
+ */
+ public static function isWatchable( $index ) {
+ return $index >= NS_MAIN;
+ }
+
+ /**
+ * Does the namespace allow subpages?
+ *
+ * @param $index int Index to check
+ * @return bool
+ */
+ public static function hasSubpages( $index ) {
+ global $wgNamespacesWithSubpages;
+ return !empty( $wgNamespacesWithSubpages[$index] );
+ }
+