From 44ecf738f73b5452461a2e6b340fd21d8a9f6b00 Mon Sep 17 00:00:00 2001
From: Thai Nguyen Hung <hungthai1401.it@gmail.com>
Date: Thu, 22 Jun 2023 05:57:51 +0700
Subject: [PATCH] should reindex appends attributes after unique them (#47519)

---
 src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php b/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
index 2b392563fe23..4ef0f5314062 100644
--- a/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
+++ b/src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php
@@ -2125,9 +2125,9 @@ protected function transformModelValue($key, $value)
      */
     public function append($attributes)
     {
-        $this->appends = array_unique(
+        $this->appends = array_values(array_unique(
             array_merge($this->appends, is_string($attributes) ? func_get_args() : $attributes)
-        );
+        ));
 
         return $this;
     }