Ticket #13258: wp-dropdown-categories-slug-value.patch

wp-includes/category-template.php

@@ -937 +937 @@
                 $pad = str_repeat(' ', $depth * 3);
 
                 $cat_name = apply_filters('list_cats', $category->name, $category);
-                $output .= "\t<option class=\"level-$depth\" value=\"".$category->term_id."\"";
-                if ( $category->term_id == $args['selected'] )
+
+                if( !empty($args['value']) ){
+                        $value = ($args['value']=='slug' ? $category->slug : $category->term_id );
+                }else{
+                        $value = ( $category->taxonomy != 'category' ? $category->slug : $category->term_id );
+                }
+                
+                $output .= "\t<option class=\"level-$depth\" value=\"".$value."\"";
+                if ( $value == $args['selected'] )
                         $output .= ' selected="selected"';
                 $output .= '>';
                 $output .= $pad.$cat_name;
                 if ( $args['show_count'] )
                         $output .= '&nbsp;&nbsp;('. $category->count .')';
+                if ( $args['show_last_update'] ) {
+                        $format = 'Y-m-d';
+                        $output .= '&nbsp;&nbsp;' . gmdate($format, $category->last_update_timestamp);
+                }
                 $output .= "</option>\n";
         }
 }