Ticket #10663: 10633.diff

wp-includes/query.php

@@ -188 +188 @@
 
         if ( empty($category) )
                 return true;
-
+                
         $cat_obj = $wp_query->get_queried_object();
 
         $category = (array) $category;
 
-        if ( in_array( $cat_obj->term_id, $category ) )
-                return true;
-        elseif ( in_array( $cat_obj->name, $category ) )
-                return true;
-        elseif ( in_array( $cat_obj->slug, $category ) )
-                return true;
+        foreach($category as $cat){
+                if ( is_numeric($cat) )
+                        if ( absint($cat) == $cat_obj->term_id )
+                                return true;
+                if ( $cat == $cat_obj->name )
+                        return true;
+                if ( $cat == $cat_obj->slug )
+                        return true;
+        }
 
         return false;
 }