From 5e0f8326de29dda55bb050cfa9c51486c1772f4e Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@qossmic.com>
Date: Tue, 11 Jul 2023 14:48:01 +0200
Subject: [PATCH] fetch all known ChoiceType values at once

---
 .../Component/Form/Extension/Core/Type/ChoiceType.php     | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php b/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php
index 3881d1fb8bf76..c5f27b2f4811a 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php
@@ -165,11 +165,9 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                         }
                     }
                 } else {
-                    foreach ($data as $value) {
-                        if ($choiceList->getChoicesForValues([$value])) {
-                            $knownValues[] = $value;
-                            unset($unknownValues[$value]);
-                        }
+                    foreach ($choiceList->getChoicesForValues($data) as $key => $choice) {
+                        $knownValues[] = $data[$key];
+                        unset($unknownValues[$data[$key]]);
                     }
                 }