How to use PHP to connect to Qiniu cloud storage interface

How to use PHP to connect to Qiniu Cloud Storage interface

Overview:
Qiniu Cloud Storage is a powerful cloud storage platform that provides a series of services such as storage, acceleration, processing, and distribution. By connecting to the Qiniu cloud storage interface, we can easily upload, download, delete and other operations of files. This article will introduce how to use PHP language to connect to the Qiniu cloud storage interface, and provide relevant code examples.

Step 1: Register a Qiniu cloud storage account and create a storage space
First, we need to go to the Qiniu official website (https://www.qiniu.com/) to register an account, and then log in to the backend management The interface creates a new storage space. When creating a storage space, Qiniu will generate an AccessKey and SecretKey for us, and these two keys will be used in subsequent operations.

Step 2: Install Qiniu Cloud Storage SDK
We can use the PHP SDK officially provided by Qiniu to simplify the docking process. First, we need to install the official PHP SDK in the project. Open a terminal window, enter the project directory, and execute the following command to install the SDK:

composer require qiniu/php-sdk

Step 3: Write code
The following is a simple example that uses PHP to connect to the Qiniu cloud storage interface to implement the file upload function ：

require 'vendor/autoload.php';

use QiniuAuth;
use QiniuStorageUploadManager;

$accessKey = 'your-access-key';
$secretKey = 'your-secret-key';

$auth = new Auth($accessKey, $secretKey);

$bucket = 'your-bucket-name';

$token = $auth->uploadToken($bucket);

if ($_FILES['file']['error'] === 0) {
    $filePath = $_FILES['file']['tmp_name'];
    $key = $_FILES['file']['name'];

    $uploadManager = new UploadManager();

    list($ret, $err) = $uploadManager->putFile($token, $key, $filePath);
    if ($err !== null) {
        die('文件上传失败: ' . $err->message());
    } else {
        echo '文件上传成功';
    }
}

In the above example code, we created an authentication object $auth through the Auth class and AccessKey and SecretKey. Then, we specified the storage space $bucket to be uploaded, and generated an upload credential $token by calling the uploadToken method of $auth.

In the file upload part, we obtain the temporary path $filePath and file name $key of the file through the file parameter $_FILES['file'] passed in the upload form. Next, we use the putFile method of the UploadManager class to perform the file upload operation. If the upload is successful, $ret will return file-related information, otherwise $err will return an error object.

Step 4: Run the code
Before running the code, please ensure that AccessKey, SecretKey and storage space $bucket have been correctly configured. Save the code as a PHP file, and then execute the following command in the command line to run the code:

php your-file.php

At this time, the code will obtain the upload credential $token and upload the file to Qiniu Cloud Storage.

Conclusion:
This article introduces how to use PHP language to connect to the Qiniu cloud storage interface, and provides a simple file upload example. By learning and understanding the relevant interfaces and SDK of Qiniu Cloud Storage, we can more easily use the rich functions provided by Qiniu Cloud Storage platform to achieve more personalized needs. I hope this article is helpful to you and I wish you good results in practice!

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