Ticket #10956: is_active_sidebar.diff

.php

@@ -934 +934 @@
  * @return bool true if the sidebar is in use, false otherwise.
  */
 function is_active_sidebar( $index ) {
-        $index = ( is_int($index) ) ? "sidebar-$index" : sanitize_title($index);
-        $sidebars_widgets = wp_get_sidebars_widgets();
-        if ( isset($sidebars_widgets[$index]) && !empty($sidebars_widgets[$index]) )
-                return true;
-
+        global $wp_registered_sidebars, $_wp_sidebars_widgets;
+        if ( is_int($index) ) {
+                if (!empty($_wp_sidebars_widgets[sanitize_title("sidebar-$index")]) )
+                        return true;
+        } else {
+                $i = 1;
+                foreach ( $wp_registered_sidebars as $sidebar => $registered_sidebar ) {
+                        if ( $index == $registered_sidebar['name'] && !empty($_wp_sidebars_widgets[sanitize_title("sidebar-$i")]) )
+                                return true;
+                        $i++; 
+                }
+        }
         return false;
 }