Help Center> Object Storage Service> PHP> Object Download> Rewriting Response Headers
Updated on 2023-11-09 GMT+08:00
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Rewriting Response Headers

If you have any questions during development, post them on the Issues page of GitHub. For details about parameters and usage of each API, see API Reference.

When downloading an object, you can rewrite some HTTP/HTTPS response headers. The following table lists rewritable response headers.

Parameter

Description

ResponseContentType

Rewrites Content-Type in HTTP/HTTPS responses.

ResponseContentLanguage

Rewrites Content-Language in HTTP/HTTPS responses.

ResponseExpires

Rewrites Expires in HTTP/HTTPS responses.

ResponseCacheControl

Rewrites Cache-Control in HTTP/HTTPS responses.

ResponseContentDisposition

Rewrites Content-Disposition in HTTP/HTTPS responses.

ResponseContentEncoding

Rewrites Content-Encoding in HTTP/HTTPS responses.
Sample code: 
// Import the dependency library.
require 'vendor/autoload.php';
// Import the SDK code library during source code installation.
// require 'obs-autoloader.php';
// Declare the namespace.
use Obs\ObsClient;
// Create an instance of ObsClient.
$obsClient = new ObsClient ( [ 
      //Obtain an AK/SK pair using environment variables or import the AK/SK pair in other ways. Using hard coding may result in leakage.
      //Obtain an AK/SK pair on the management console. For details, see https://support.huaweicloud.com/intl/en-us/usermanual-ca/ca_01_0003.html.
      'key' => getenv('ACCESS_KEY_ID'),
      'secret' => getenv('SECRET_ACCESS_KEY'),
      'endpoint' => 'https://your-endpoint',
      'signature' => 'obs'
] );

$resp = $obsClient -> getObject([
       'Bucket' => 'bucketname',
       'Key' => 'objectname',
       'ResponseContentType' => 'image/jpeg'
]);

printf("RequestId:%s\n", $resp['RequestId']);
// Obtain the rewritten response headers.
printf("ContentType:%s\n", $resp['ContentType']);
Parent topic: Object Download