From 4f2b318646b113aa8bbd2f6f719090265aa93166 Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Fri, 2 Sep 2022 12:38:46 +0900
Subject: [PATCH] docs: add comment

---
 system/Validation/Validation.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/system/Validation/Validation.php b/system/Validation/Validation.php
index 057118018ad9..e919f3eaee5a 100644
--- a/system/Validation/Validation.php
+++ b/system/Validation/Validation.php
@@ -361,6 +361,7 @@ private function isStringList(array $array): bool
         $expectedKey = 0;
 
         foreach ($array as $key => $val) {
+            // Note: also covers PHP array key conversion, e.g. '5' and 5.1 both become 5
             if (! is_int($key)) {
                 return false;
             }