Ticket #20276: 20276.call_user_func.diff

src/wp-includes/session.php

@@ -181 +181 @@
          */
         final public static function destroy_all_tokens_for_all_users() {
                 $manager = apply_filters( 'session_token_manager', 'WP_User_Meta_Session_Tokens' );
-                $manager::drop_sessions();
+                call_user_func( array( $manager, 'drop_sessions' ) );
         }
 
         /**