From ebdc48d54d82b74230a8aed6458c238ec5788e38 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Mon, 17 Apr 2023 17:04:56 +0200
Subject: [PATCH] [Form] fix merge

---
 ChoiceList/Loader/AbstractChoiceLoader.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ChoiceList/Loader/AbstractChoiceLoader.php b/ChoiceList/Loader/AbstractChoiceLoader.php
index 1eae069b2..0f6a64dd3 100644
--- a/ChoiceList/Loader/AbstractChoiceLoader.php
+++ b/ChoiceList/Loader/AbstractChoiceLoader.php
@@ -59,7 +59,7 @@ public function loadValuesForChoices(array $choices, callable $value = null)
 
         if ($value) {
             // if a value callback exists, use it
-            return array_map(function ($item) use ($value): string { return $value($item); }, $choices);
+            return array_map(function ($item) use ($value) { return (string) $value($item); }, $choices);
         }
 
         return $this->doLoadValuesForChoices($choices);