From eccd5cd5a067f5659982685afdeea209b1888efb Mon Sep 17 00:00:00 2001
From: Zhineng Li <im@zhineng.li>
Date: Sat, 14 Feb 2026 10:08:30 +0800
Subject: first commit

---
 build/Arr.php | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 build/Arr.php

(limited to 'build/Arr.php')

diff --git a/build/Arr.php b/build/Arr.php
new file mode 100644
index 0000000..e9f357d
--- /dev/null
+++ b/build/Arr.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+final class Arr
+{
+    /**
+     * Extract the specified keys from the given array.
+     *
+     * @param  array<array-key, mixed>  $array
+     * @param  array<int, array-key>  $keys
+     * @return array<array-key, mixed>
+     */
+    public static function only(array $array, array $keys): array
+    {
+        $result = [];
+
+        foreach ($keys as $key) {
+            if (array_key_exists($key, $array)) {
+                $result[$key] = $array[$key];
+            }
+        }
+
+        return $result;
+    }
+}
-- 
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