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Co-authored-by: Philipp <admin+Github@philipp.info>

libravatar/libravatar.php

@@ -89,6 +89,6 @@ function libravatar_addon_admin(&$a, &$o)
  */
 function libravatar_addon_admin_post(&$a)
 {
-	$default_avatar = (!empty($_POST['avatar']) ? trim($_POST['avatar']) : 'identicon');
+	$default_avatar = trim($_POST['avatar'] ?? 'identicon');
 	DI::config()->set('libravatar', 'default_avatar', $default_avatar);
 }