[MixologyBridge] add null checks for author and timestamp elements (#4383)

* [MixologyBridge] add null checks for author and timestamp elements

* [MixologyBridge] fix formatting

1 files changed, 9 insertions, 2 deletions

diff --git a/bridges/MixologyBridge.php b/bridges/MixologyBridge.php
index e954d0d6..42192471 100644
--- a/bridges/MixologyBridge.php
+++ b/bridges/MixologyBridge.php
@@ -55,8 +55,15 @@ class MixologyBridge extends BridgeAbstract
     {
         $article = getSimpleHTMLDOMCached($item['uri']);
 
-        $item['author'] = $article->find('.beitrag-author a', 0)->plaintext;
-        $item['timestamp'] = strtotime($article->find('.beitrag-date time', 0)->datetime);
+        $authorLink = $article->find('.beitrag-author a', 0);
+        if (!empty($authorLink)) {
+            $item['author'] = $authorLink->plaintext;
+        }
+
+        $timeElement = $article->find('.beitrag-date time', 0);
+        if (!empty($timeElement)) {
+            $item['timestamp'] = strtotime($timeElement->datetime);
+        }
 
         $content = '';