From c766fcb2e2efca2371c9a83ef488d878d645c185 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20L=C3=B8vgaard?= <joachim@loevgaard.dk>
Date: Thu, 9 Jan 2025 12:19:29 +0100
Subject: [PATCH] Add comment explaining sorting

---
 src/Model/ProductTrait.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Model/ProductTrait.php b/src/Model/ProductTrait.php
index b20e911..e0cd6ee 100644
--- a/src/Model/ProductTrait.php
+++ b/src/Model/ProductTrait.php
@@ -50,6 +50,7 @@ public function hasPreQualifiedCatalogPromotions(): bool
      */
     private static function sanitizeCodes(array $codes): array
     {
+        // The reason for sorting is that we use the imploded string as a cache key elsewhere
         sort($codes, \SORT_STRING);
 
         return array_values(array_unique($codes));