From 3a5b6588eba669c8e1f40e6d044c37db91bca82f Mon Sep 17 00:00:00 2001
From: Max Roeleveld <doenietzomoeilijk@gmail.com>
Date: Mon, 9 Oct 2023 11:02:20 +0200
Subject: [PATCH] Make the fix PHP7.x compatible.

---
 src/Controller/Backend/ContentEditController.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Controller/Backend/ContentEditController.php b/src/Controller/Backend/ContentEditController.php
index 5041d41f..a960dd47 100644
--- a/src/Controller/Backend/ContentEditController.php
+++ b/src/Controller/Backend/ContentEditController.php
@@ -630,7 +630,11 @@ class ContentEditController extends TwigAwareController implements BackendZoneIn
             ) {
                 $currentRelation->getFromContent()->removeRelationsFromThisContent($currentRelation);
             }
-            $currentRelations = $currentRelations->filter(fn(Relation $r) => $r !== $currentRelation);
+            $currentRelations = $currentRelations->filter(
+                static function (Relation $r) use ($currentRelation) {
+                    return $r !== $currentRelation;
+                }
+            );
             $this->em->remove($currentRelation);
         }