Ticket #18230: 18230.diff

wp-includes/functions.php

@@ -3202 +3202 @@
  */
 function wp_list_pluck( $list, $field ) {
         foreach ( $list as $key => $value ) {
-                $value = (array) $value;
-                $list[ $key ] = $value[ $field ];
+                if ( is_object( $value ) ) $list[ $key ] = $value->$field;
+                else $list[ $key ] = $value[ $field ];
         }
 
         return $list;