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src/Core/Entity.php

@@ -151,7 +151,7 @@ abstract class Entity
     public function getNotificationTargetIds(array $ids_already_known = [], ?int $sender_id = null, bool $include_additional = true): array
     {
         // Additional actors that should know about this
-        if (array_key_exists('additional', $ids_already_known)) {
+        if (\array_key_exists('additional', $ids_already_known)) {
             return $ids_already_known['additional'];
         }
         return [];