Ticket #10805: 10805.diff

wp-includes/capabilities.php

@@ -699 +699 @@
          * @return bool True, if user has capability; false, if user does not have capability.
          */
         function has_cap( $cap ) {
-                if ( is_numeric( $cap ) )
+                if ( is_numeric( $cap ) ) {
                         $cap = $this->translate_level_to_cap( $cap );
+                        _deprecated_function(__('Usage of User Levels by Plugins and Themes'), '2.0', __('Roles and Capabilities') );
+                }
 
                 $args = array_slice( func_get_args(), 1 );
                 $args = array_merge( array( $cap, $this->ID ), $args );