+ /** @var array Array of DBKEY category names for categories that don't have a page */
+ protected $deadend = array();
+
+ /** @var array Array of [ID => array()] */
+ protected $parents = array();
+
+ /** @var array Array of article/category IDs */
+ protected $next = array();
+
+ /** @var array Array of DBKEY category names */
+ protected $targets = array();
+
+ /** @var array */
+ protected $name2id = array();
+
+ /** @var "AND" or "OR" */
+ protected $mode;
+
+ /** @var DatabaseBase Read-DB slave */
+ protected $dbr;