+
+ /**
+ * Check to see if an event handler exists
+ *
+ * Look to see if there's any handler for a given event, or narrow
+ * by providing the name of a specific plugin class.
+ *
+ * @param string $name Name of the event to look for
+ * @param string $plugin Optional name of the plugin class to look for
+ *
+ * @return boolean flag saying whether such a handler exists
+ *
+ */
+
+ public static function hasHandler($name, $plugin=null) {
+ if (array_key_exists($name, Event::$_handlers)) {
+ if (isset($plugin)) {
+ foreach (Event::$_handlers[$name] as $handler) {
+ if (get_class($handler[0]) == $plugin) {
+ return true;
+ }
+ }
+ } else {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ public static function getHandlers($name)
+ {
+ return Event::$_handlers[$name];
+ }
+
+ /**
+ * Disables any and all handlers that have been set up so far;
+ * use only if you know it's safe to reinitialize all plugins.
+ */
+ public static function clearHandlers() {
+ Event::$_handlers = array();
+ }