From 1111ff81191e49121b3f0166d2c7a73db8e821ad Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Tue, 16 Dec 2025 15:08:01 +0700
Subject: [PATCH] Make faster search on Finder::last() on SplFixedArray data

---
 src/Finder.php       |  5 +++++
 tests/FinderTest.php | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/Finder.php b/src/Finder.php
index 1e77ebd..926145a 100644
--- a/src/Finder.php
+++ b/src/Finder.php
@@ -7,6 +7,7 @@
 use ArrayIterator;
 use ArrayLookup\Assert\Filter;
 use ArrayObject;
+use SplFixedArray;
 use Traversable;
 use Webmozart\Assert\Assert;
 
@@ -51,6 +52,10 @@ private static function resolveArrayFromTraversable(Traversable $traversable): a
             return $traversable->getArrayCopy();
         }
 
+        if ($traversable instanceof SplFixedArray) {
+            return $traversable->toArray();
+        }
+
         return iterator_to_array($traversable);
     }
 
diff --git a/tests/FinderTest.php b/tests/FinderTest.php
index 1b9afa2..fac445a 100644
--- a/tests/FinderTest.php
+++ b/tests/FinderTest.php
@@ -14,6 +14,7 @@
 use Iterator;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
+use SplFixedArray;
 use stdClass;
 
 use function current;
@@ -248,6 +249,16 @@ public static function lastReturnKeyDataProvider(): Iterator
             static fn(string $datum, int $key): bool => str_contains($datum, 'test') && $key === 1,
             null,
         ];
+        yield [
+            SplFixedArray::fromArray([6, 7, 8, 9]),
+            static fn($datum): bool => $datum > 5,
+            3,
+        ];
+        yield [
+            SplFixedArray::fromArray([6, 7, 8, 9]),
+            static fn($datum): bool => $datum < 5,
+            null,
+        ];
     }
 
     /**