From 440d31dc0be54e32a12ebf29850efabcd545e914 Mon Sep 17 00:00:00 2001
From: Josemar Lohn <j@lohn.in>
Date: Sat, 7 Aug 2021 05:02:26 -0300
Subject: [PATCH] Fix Domdocument error

---
 lib/XRay/Formats/HTML.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/XRay/Formats/HTML.php b/lib/XRay/Formats/HTML.php
index eb53c7e..9219610 100644
--- a/lib/XRay/Formats/HTML.php
+++ b/lib/XRay/Formats/HTML.php
@@ -25,6 +25,9 @@ class HTML extends Format {
 
     // attempt to parse the page as HTML
     $doc = new DOMDocument();
+    if (empty($html)) {
+        $html=' '; // ugly hack to make DOMDocument happy
+    };
     @$doc->loadHTML(self::toHtmlEntities($html));
 
     if(!$doc) {