From 00bc65e491fe2053f1bdb9c5c49ab7cddda0025d Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.com>
Date: Wed, 5 Mar 2025 16:35:04 +0100
Subject: [PATCH] Implement IteratorAggregate for Resolution::class

---
 src/Resolution.php            | 19 ++++++++++++++++++-
 tests/Unit/ResolutionTest.php |  8 ++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/Resolution.php b/src/Resolution.php
index 6dd13077..1e614ce3 100644
--- a/src/Resolution.php
+++ b/src/Resolution.php
@@ -4,10 +4,16 @@ declare(strict_types=1);
 
 namespace Intervention\Image;
 
+use ArrayIterator;
 use Intervention\Image\Interfaces\ResolutionInterface;
+use IteratorAggregate;
 use Stringable;
+use Traversable;
 
-class Resolution implements ResolutionInterface, Stringable
+/**
+ * @implements IteratorAggregate<float>
+ */
+class Resolution implements ResolutionInterface, Stringable, IteratorAggregate
 {
     public const PER_INCH = 1;
     public const PER_CM = 2;
@@ -24,6 +30,17 @@ class Resolution implements ResolutionInterface, Stringable
         protected float $y,
         protected int $per_unit = self::PER_INCH
     ) {
+        //
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see IteratorAggregate::getIterator()
+     */
+    public function getIterator(): Traversable
+    {
+        return new ArrayIterator([$this->x, $this->y]);
     }
 
     /**
diff --git a/tests/Unit/ResolutionTest.php b/tests/Unit/ResolutionTest.php
index 6986b89d..d81a520d 100644
--- a/tests/Unit/ResolutionTest.php
+++ b/tests/Unit/ResolutionTest.php
@@ -17,6 +17,14 @@ final class ResolutionTest extends BaseTestCase
         $this->assertInstanceOf(Resolution::class, $resolution);
     }
 
+    public function testIteration(): void
+    {
+        $resolution = new Resolution(1.2, 3.4);
+        foreach ($resolution as $value) {
+            $this->assertIsFloat($value);
+        }
+    }
+
     public function testXY(): void
     {
         $resolution = new Resolution(1.2, 3.4);