fix class might be undefined

Co-Authored-By: blizzz <blizzz@arthur-schiwon.de>
Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

diff --git a/lib/private/Log/ExceptionSerializer.php b/lib/private/Log/ExceptionSerializer.php
index b9932cfa05ceb99cc9e9adf9a9f773d0130992ab..8cfdb57b225cec373f547c043bfcb0b91b16795c 100644 (file)
--- a/lib/private/Log/ExceptionSerializer.php
+++ b/lib/private/Log/ExceptionSerializer.php
@@ -100,8 +100,8 @@ class ExceptionSerializer {
        private function filterTrace(array $trace) {
                $sensitiveValues = [];
                $trace = array_map(function (array $traceLine) use (&$sensitiveValues) {
-                       $className = $traceLine['class'];
-                       if (isset(self::methodsWithSensitiveParametersByClass[$className])
+                       $className = $traceLine['class'] ?? '';
+                       if ($className && isset(self::methodsWithSensitiveParametersByClass[$className])
                                && in_array($traceLine['function'], self::methodsWithSensitiveParametersByClass[$className], true)) {
                                return $this->editTrace($sensitiveValues, $traceLine);
                        }