From a47230585e4d10b70f98a8a1b9c73c9de2fb1be2 Mon Sep 17 00:00:00 2001
From: Florent Torregrosa <florent.torregrosa@gmail.com>
Date: Sat, 9 May 2015 14:04:04 +0200
Subject: [PATCH] Issue #2479177: Use function element_children to remove
 $node->content children.

---
 protected_node.module | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/protected_node.module b/protected_node.module
index 629813f..c5dc7d2 100644
--- a/protected_node.module
+++ b/protected_node.module
@@ -663,12 +663,10 @@ function protected_node_protected_node_hide(&$node) {
   }
   $node->teaser = '';
   $node->body = '';
-  // Does not remove the keys starting with '#' as they usually contain
-  // information for other modules.
-  foreach ($node->content as $content_key => $content) {
-    if (substr($content_key, 0, 1) !== "#") {
-      unset($node->content[$content_key]);
-    }
+  // Remove $node->content children.
+  $content_children = element_children($node->content);
+  foreach ($content_children as $content_key) {
+    unset($node->content[$content_key]);
   }
 }
 
-- 
2.1.4