[5.x] Enable foreach to work with Values

src/Tags/Iterate.php

@@ -39,6 +39,8 @@ protected function iterate($items)
     {
         [$keyKey, $valueKey] = $this->getKeyNames();
 
+        $items = $items instanceof Value ? $items->value() : $items;
+
         $items = collect($items)
             ->map(function ($value, $key) use ($keyKey, $valueKey) {
                 return [$keyKey => $key, $valueKey => $value];

tests/Tags/IterateTest.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Tests\Tags;
+
+use PHPUnit\Framework\Attributes\Test;
+use Statamic\Facades\Parse;
+use Tests\TestCase;
+
+class IterateTest extends TestCase
+{
+    #[Test]
+    public function arrays_work()
+    {
+        $template = '{{ foreach:group_field }}{{ key }} - {{ value }} {{ /foreach:group_field }}';
+
+        $this->assertSame(
+            'first - One second - Two ',
+            $this->tag($template, [
+                'group_field' => [
+                    'first' => 'One',
+                    'second' => 'Two',
+                ],
+            ])
+        );
+    }
+
+    #[Test]
+    public function values_work()
+    {
+        $this->markTestSkipped('needs implementation');
+
+        $template = '{{ foreach:group_field }}{{ key }} - {{ value }} {{ /foreach:group_field }}';
+
+        $this->assertSame(
+            'first - One second - Two ',
+            $this->tag($template, [
+                'group_field' => [
+                    'first' => 'One',
+                    'second' => 'Two',
+                ],
+            ])
+        );
+    }
+
+    private function tag($tag, $context = [])
+    {
+        return (string) Parse::template($tag, $context);
+    }
+}