From: Alexander Ebert <ebert@woltlab.com>
Date: Mon, 18 Jul 2022 10:20:11 +0000 (+0200)
Subject: Replace use of a PHP 8+ feature
X-Git-Tag: 5.5.3_dev_2~10
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c70a77e262ed65c0d92cc3ecb0e1cb1967d5b74d;p=GitHub%2FWoltLab%2FWCF.git

Replace use of a PHP 8+ feature

`DOMElement::$childElementCount` is supported in PHP 8.0+ only, for PHP 7 we need to manually check for child elements.

See https://www.woltlab.com/community/thread/296485-zitat-von-user-nochmal-zitieren/
---

diff --git a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php
index 9385bea52d..c672bebdbd 100644
--- a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php
+++ b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php
@@ -319,7 +319,18 @@ class HtmlInputNodeProcessor extends AbstractHtmlNodeProcessor
         if ($depth === 0 && $isFullQuote && \count($quotes) > 0) {
             /** @var \DOMElement $body */
             $body = $this->getDocument()->getElementsByTagName('body')[0];
-            if ($body->childElementCount === 0) {
+
+            // TODO: This can be simplified in PHP 8.0+ by checking against `$body->childElementCount`.
+            $hasChildren = false;
+            /** @var \DOMNode $node */
+            foreach ($body->childNodes as $node) {
+                if ($node->nodeType === \XML_ELEMENT_NODE) {
+                    $hasChildren = true;
+                    break;
+                }
+            }
+
+            if (!$hasChildren) {
                 $p = $body->ownerDocument->createElement('p');
                 $p->textContent = "[\u{2026}]";
                 $body->appendChild($p);