From bfd367ec38a0050278261b461a725683af1361ff Mon Sep 17 00:00:00 2001
From: Andres Rey <andreskrey@gmail.com>
Date: Fri, 22 Dec 2017 14:52:54 -0300
Subject: Check for node type when scanning for better topCandidates

---
 src/Readability.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Readability.php b/src/Readability.php
index f22c1e2..7ff302f 100644
--- a/src/Readability.php
+++ b/src/Readability.php
@@ -898,7 +898,8 @@ class Readability
             $scoreThreshold = $lastScore / 3;
 
             /* @var DOMElement $parentOfTopCandidate */
-            while ($parentOfTopCandidate->nodeName !== 'body') {
+            // Check if we are actually dealing with a DOMNode and not a DOMDocument node or higher
+            while ($parentOfTopCandidate->nodeName !== 'body' && $parentOfTopCandidate->nodeType === XML_ELEMENT_NODE) {
                 $parentScore = $parentOfTopCandidate->contentScore;
                 if ($parentScore < $scoreThreshold) {
                     break;
-- 
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