### Eclipse Workspace Patch 1.0
#P wordpress-trunk
Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 17521)
+++ wp-includes/functions.php	(working copy)
@@ -3089,15 +3089,16 @@
  *
  * @param array $list A list of objects or arrays
  * @param int|string $field A field from the object to place instead of the entire object
- * @return array
+ * @return array All field values of the input list
  */
 function wp_list_pluck( $list, $field ) {
+	$fields = array();
 	foreach ( $list as $key => $value ) {
 		$value = (array) $value;
-		$list[ $key ] = $value[ $field ];
+		$fields[ $key ] = & $value[ $field ]; # preserve possible references
 	}
 
-	return $list;
+	return $fields;
 }
 
 /**