Ticket #12615: garyc40.12615.diff

wp-includes/widgets.php

@@ -861 +861 @@
         $sidebar = $wp_registered_sidebars[$index];
 
         $did_one = false;
-        foreach ( (array) $sidebars_widgets[$index] as $id ) {
+        $widgets = (array) $sidebars_widgets[$index];
+        $i = 0;
+        $count = count( $widgets );
+        foreach ( $widgets as $id ) {
 
                 if ( !isset($wp_registered_widgets[$id]) ) continue;
 
+                $i ++;
+                
                 $params = array_merge(
                         array( array_merge( $sidebar, array('widget_id' => $id, 'widget_name' => $wp_registered_widgets[$id]['name']) ) ),
                         (array) $wp_registered_widgets[$id]['params']
@@ -879 +884 @@
                                 $classname_ .= '_' . get_class($cn);
                 }
                 $classname_ = ltrim($classname_, '_');
+                
+                if ($i == 1)
+                        $classname_ .= ' first';
+                elseif ( $i == count( $widgets ) )
+                        $classname_ .= ' last';
+                
                 $params[0]['before_widget'] = sprintf($params[0]['before_widget'], $id, $classname_);
 
                 $params = apply_filters( 'dynamic_sidebar_params', $params );