docs: add comment

codeigniter4 · Sep 2, 2022 · 4f2b318 · 4f2b318
1 parent cf15897
commit 4f2b318
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;
  }