From dbc1e9d57b102aa3f0c26a21b6aa1b7016bcf644 Mon Sep 17 00:00:00 2001
From: Thomas Hackl <hackl@data-quest.de>
Date: Tue, 18 Jun 2024 07:41:19 +0000
Subject: [PATCH] Resolve "Exception in OpenGraph::extract() bei null-String"
Closes #4319
Merge request studip/studip!3119
---
lib/classes/OpenGraph.php | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/classes/OpenGraph.php b/lib/classes/OpenGraph.php
index fb0ac5cb151..845f5cb21fb 100644
--- a/lib/classes/OpenGraph.php
+++ b/lib/classes/OpenGraph.php
@@ -11,14 +11,14 @@ class OpenGraph
/**
* Extracts urls and their according open graph infos from a given string
*
- * @param string $string Text to extract urls and open graph infos from
+ * @param string|null $string Text to extract urls and open graph infos from
* @return OpenGraphURLCollection containing the extracted urls
*/
- public static function extract(string $string): OpenGraphURLCollection
+ public static function extract(?string $string): OpenGraphURLCollection
{
$collection = new OpenGraphURLCollection();
- if (!Config::get()->OPENGRAPH_ENABLE) {
+ if (!Config::get()->OPENGRAPH_ENABLE || !$string) {
return $collection;
}
--
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