From 9bc37532b5e5b241961aa7cb5edce24e9178b8b5 Mon Sep 17 00:00:00 2001
From: "FiveFilters.org" <fivefilters@fivefilters.org>
Date: Fri, 20 Aug 2021 16:04:28 +0200
Subject: Fix previousElementSibling() implementation

---
 src/Nodes/DOM/DOMElement.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Nodes/DOM/DOMElement.php b/src/Nodes/DOM/DOMElement.php
index 7486bad..b0da84f 100644
--- a/src/Nodes/DOM/DOMElement.php
+++ b/src/Nodes/DOM/DOMElement.php
@@ -35,11 +35,12 @@ class DOMElement extends \DOMElement
     public function previousElementSibling()
     {
         $previous = $this->previousSibling;
-        do {
+        while ($previous) {
             if ($previous->nodeType === XML_ELEMENT_NODE) {
                 return $previous;
             }
-        } while ($previous = $previous->previousSibling);
+            $previous = $previous->previousSibling;
+        }
         return null;
     }
 }
-- 
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