prevent CollectionTrait::combine keypath being used with non-backed e…

…nums
cakephp · Jan 5, 2024 · 1d3fa10 · 1d3fa10
1 parent b886c3a
commit 1d3fa10
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/CollectionTrait.php b/CollectionTrait.php
@@ -40,6 +40,7 @@
 use OuterIterator;
 use RecursiveIteratorIterator;
 use Traversable;
+use UnitEnum;
 use const SORT_ASC;
 use const SORT_DESC;
 use const SORT_NUMERIC;
@@ -615,6 +616,8 @@ public function combine(
 
                 if ($mapKey instanceof BackedEnum) {
                     $mapKey = $mapKey->value;
+                } elseif ($mapKey instanceof UnitEnum) {
+                    throw new InvalidArgumentException('Cannot index by path on a non-backed enum.');
                 }
 
                 $mapReduce->emit($rowVal($value, $key), $mapKey);