From eb43d9f4a8a8609b7f30ef4e2add425b9c91fe00 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Sun, 12 Aug 2018 19:27:04 +0300
Subject: [PATCH] fix previous to not crash if document first child is not a
 DOMElement or whatever

---
 classes/feeditem/atom.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/classes/feeditem/atom.php b/classes/feeditem/atom.php
index ee5591757..8c3e0f8a7 100644
--- a/classes/feeditem/atom.php
+++ b/classes/feeditem/atom.php
@@ -205,7 +205,11 @@ class FeedItem_Atom extends FeedItem_Common {
 			return $lang;
 		} else {
 			// Fall back to the language declared on the feed, if any.
-			return $this->doc->firstChild->getAttributeNS(self::NS_XML, "lang");
+			foreach ($this->doc->childNodes as $child) {
+				if (method_exists($child, "getAttributeNS")) {
+					return $child->getAttributeNS(self::NS_XML, "lang");
+				}
+			}
 		}
 	}
 }