From: Alexander Ebert <ebert@woltlab.com>
Date: Sun, 25 Sep 2016 21:46:51 +0000 (+0200)
Subject: Fixed handling of dynamically removed nodes
X-Git-Tag: 3.0.0_Beta_2~138
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4849330560eb5b16a6db17df9c211fb7751f9f14;p=GitHub%2FWoltLab%2FWCF.git

Fixed handling of dynamically removed nodes
---

diff --git a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeWoltlabMetacode.class.php b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeWoltlabMetacode.class.php
index 4870748bf6..4c67812b78 100644
--- a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeWoltlabMetacode.class.php
+++ b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeWoltlabMetacode.class.php
@@ -66,6 +66,12 @@ class HtmlInputNodeWoltlabMetacode extends AbstractHtmlInputNode {
 		
 		/** @var \DOMElement $element */
 		foreach ($elements as $element) {
+			if ($element->parentNode === null) {
+				// ignore elements that existed, but have been removed
+				// from the DOM due to action taken by a converter
+				continue;
+			}
+			
 			$name = $element->getAttribute('data-name');
 			if ($name === 'abstract') {
 				continue;