From 5f0081b05bac2d12fe2d24e385bffc53daabeb5f Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Mon, 25 Mar 2013 09:17:14 +0400
Subject: tweak strip_harmful_tags() for php 5.3.2 compatibility (refs #620)

---
 include/functions.php | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'include')

diff --git a/include/functions.php b/include/functions.php
index 962ebb057..5582c2b0b 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -2685,16 +2685,22 @@
 			}
 
 			if ($entry->hasAttributes()) {
-				foreach (iterator_to_array($entry->attributes) as $attr) {
+				$attrs_to_remove = array();
+
+				foreach ($entry->attributes as $attr) {
 
 					if (strpos($attr->nodeName, 'on') === 0) {
-						$entry->removeAttributeNode($attr);
+						array_push($attrs_to_remove, $attr);
 					}
 
 					if (in_array($attr->nodeName, $disallowed_attributes)) {
-						$entry->removeAttributeNode($attr);
+						array_push($attrs_to_remove, $attr);
 					}
 				}
+
+				foreach ($attrs_to_remove as $attr) {
+					$entry->removeAttributeNode($attr);
+				}
 			}
 		}
 
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