From dd6c20780b8696fe058220d8f69bcecc5fb53ed0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20B=C3=B6hmer?= <mail@jan-boehmer.de>
Date: Sun, 18 Jan 2026 22:53:37 +0100
Subject: [PATCH] Ensure that the ids passed to
 DBElementRepository::findByIDInMatchingOrder are all ints

This might help to diagnose #1188
---
 src/Repository/DBElementRepository.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Repository/DBElementRepository.php b/src/Repository/DBElementRepository.php
index 2437e848..f737d91d 100644
--- a/src/Repository/DBElementRepository.php
+++ b/src/Repository/DBElementRepository.php
@@ -109,6 +109,13 @@ class DBElementRepository extends EntityRepository
             return [];
         }
 
+        //Ensure that all IDs are integers and none is null
+        foreach ($ids as $id) {
+            if (!is_int($id)) {
+                throw new \InvalidArgumentException('Non-integer ID given to findByIDInMatchingOrder: ' . var_export($id, true));
+            }
+        }
+
         $cache_key = implode(',', $ids);
 
         //Check if the result is already cached