From e2abbd49e2f679a96a118f3fe566513bda5d616e Mon Sep 17 00:00:00 2001
From: Luffy <52o@qq52o.cn>
Date: Wed, 23 Jul 2025 10:54:24 +0800
Subject: [PATCH] Use getHeaderLine method to get ETag header

---
 src/MultipartUpload.php | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/src/MultipartUpload.php b/src/MultipartUpload.php
index 9967efa..c6a8422 100644
--- a/src/MultipartUpload.php
+++ b/src/MultipartUpload.php
@@ -8,7 +8,7 @@ class MultipartUpload {
     const MIN_PART_SIZE = 1048576;
     const MAX_PART_SIZE = 5368709120;
     const DEFAULT_PART_SIZE = 5242880;
-    const MAX_PARTS     = 10000;
+    const MAX_PARTS = 10000;
 
     private $client;
     private $options;
@@ -89,7 +89,7 @@ public function uploadParts($uploadId) {
                     'Body' => $body,
                     'ContentMD5' => $this->needMd5
                 );
-                if ($this->needMd5 == false) {
+                if (!$this->needMd5) {
                     unset($params["ContentMD5"]);
                 }
                 if (!isset($this->parts[$partNumber])) {
@@ -106,15 +106,8 @@ public function uploadParts($uploadId) {
                 $index = $index + 1;
                 $partNumber = $this->partNumberList[$index]['PartNumber'];
                 $partSize = $this->partNumberList[$index]['PartSize'];
-
-                //兼容两种写法，防止index为undefined
-                if (array_key_exists('etag', $response->getHeaders())) {
-                    $etag = $response->getHeaders()["etag"][0];
-                }
-
-                if (array_key_exists('ETag', $response->getHeaders())) {
-                    $etag = $response->getHeaders()["ETag"][0];
-                }
+                /** @var \GuzzleHttp\Psr7\Response $response */
+                $etag = $response->getHeaderLine('ETag');
                 $part = array('PartNumber' => $partNumber, 'ETag' => $etag);
                 $this->parts[$partNumber] = $part;
                 $this->uploadedSize += $partSize;