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Getting Started
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Last updated: 2024-03-01 14:43:58
Getting Started
Last updated: 2024-03-01 14:43:58
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Download and Installation

Relevant resources

Download the source code for the COS XML PHP SDK here.
Download the XML PHP SDK here.
Download the PHP demo here.
For the complete sample code, see SDK Sample Code.
For the SDK changelog, see Changelog.
For SDK FAQs, see PHP SDK FAQs.
Note:
If you encounter errors such as non-existent functions or methods when using the XML version of the SDK, please update the SDK to the latest version and try again.

Environmental dependencies

PHP 5.6+ You can run the php -v command to view the current PHP version.
Note:
If your PHP version is 5.3 or later and earlier than 5.6, please use v1.3.
cURL extension
XML extension
DOM extension
MBstring extension
JSON extension You can run the php -m command to check whether the preceding extensions have been installed properly.
On Ubuntu, you can install PHP's extensions using the apt-get package manager with the following command:
sudo apt-get install php-curl php-xml php-dom php-mbstring php-json
On CentOS, you can install PHP's cURL extension using the yum package manager.
sudo yum install php-curl php-xml php-dom php-mbstring php-json

Installing SDK

You can install the SDK using Composer, Phar, or the source code.

Composer

It is recommended to install cos-php-sdk-v5 with Composer, a PHP dependency manager that allows you to declare the dependencies necessary for your project and then automatically installs them into your project.
Note:
You can find more information such as how to install Composer, how to configure auto-load, and other best practices for defining dependencies at the Composer website.
Directions
1. Open the terminal.
2. Run the following command to download Composer:
curl -sS https://getcomposer.org/installer | php
3. Create a file named composer.json with the following content:
{
 "require": {
     "qcloud/cos-sdk-v5": ">=2.0"
 }
}
4. Run the following command to install the SDK with Composer:
php composer.phar install
This command will create a vendor folder in the current directory. The folder will contain the SDK's dependent library and an autoload.php script file for future calls in your project.
Note:
Composer will download Guzzle 6 or Guzzle 7 according to the PHP version. Guzzle 7 supports the Laravel 8 framework. If the PHP version is or later than 7.2.5, Guzzle 7 will be downloaded by default. Otherwise, Guzzle 6 will be downloaded.
5. Run the autoloader script to call cos-php-sdk-v5 and import the autoload.php file into your code.
require '/path/to/sdk/vendor/autoload.php';
Note:
After running the Composer installation command, you need to change the path here to the path to the autoload.php file. Otherwise, the corresponding method cannot be called. For example, if your installation path is /Users/username/project, set the referenced path in the project to /Users/username/project/vendor/autoload.php.
Now, you can use COS XML SDK for PHP in your project.

Phar

Install the SDK using the Phar method as instructed below:
1. Download the phar file here.
Note:
If your PHP version is 5.6 or later and earlier than 7.2.5, download cos-sdk-v5-6.phar to use Guzzle 6.
If your PHP version is 7.2.5 or later, download cos-sdk-v5-7.phar to use Guzzle 7.
2. Import the phar file into your code.
require  '/path/to/cos-sdk-v5-x.phar';

Source code

Install the SDK using the source code as instructed below:
1. Download the cos-sdk-v5.tar.gz compressed file on the SDK releases page.
Note:
If your PHP version is 5.6 or later and earlier than 7.2.5, download cos-sdk-v5-6.tar.gz to use Guzzle 6.
If your PHP version is 7.2.5 or later, download cos-sdk-v5-7.tar.gz to use Guzzle 7.
2. Decompress the file and run the autoload.php script to load the SDK and import the autoload.php file into your code:
require '/path/to/sdk/vendor/autoload.php';
Note:
Source code is the default GitHub-compressed code package, which does not include the vendor directory. Note that you should download the release package (cos-sdk-v5-x.tar.gz) rather than the Source package, and should not clone the entire repository (otherwise, index.php and the vendor package will be missing).

Getting Started

The following describes how to use the PHP SDK of COS to perform basic operations, such as initializing the client, creating a bucket, querying the bucket list, uploading an object, querying the object list, downloading an object, and deleting an object. For more information about the parameters involved in the samples, see Bucket Operations and Object Operations.

Initialization

Note:
We recommend you use a sub-account key and environment variables to call the SDK for security purposes. When authorizing a sub-account, follow the Notes on Principle of Least Privilege to avoid leaking resources besides your buckets and objects.
If you must use a permanent key, we recommend you follow the Notes on Principle of Least Privilege to limit the scope of permission on the permanent key.
If you initialize a client with a temporary key, create an instance in the following way.
$tmpSecretId = "TmpSecretId"; //SecretId of a temporary key. For more information about how to generate and use a temporary key, visit https://intl.cloud.tencent.com/document/product/436/14048.
$tmpSecretKey = "TmpSecretKey"; //SecretKey of a temporary key. For more information about how to generate and use a temporary key, visit https://intl.cloud.tencent.com/document/product/436/14048.
$tmpToken = "TmpToken"; //Token of a temporary key. For more information about how to generate and use a temporary key, visit https://cloud.tencent.com/document/product/436/14048.
$region = "ap-beijing"; //Replace it with the actual `region`, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket.
$cosClient = new Qcloud\Cos\Client(
    array(
        'region' => $region,
        'schema' => 'https', //Protocol header, which is http by default
        'credentials'=> array(
            'secretId'  => $tmpSecretId,
            'secretKey' => $tmpSecretKey,
            'token' => $tmpToken)));
If you use a permanent key to initialize a COSClient, you need to get your SecretId and SecretKey on the API Key Management page in the CAM console. A permanent key is suitable for most application scenarios.
// You can log in to the CAM console to view and manage the `SecretId` and `SecretKey` of your project.
$secretId = getenv('COS_SECRET_ID'); // User `SecretId`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
$secretKey = getenv('COS_SECRET_KEY'); // User `SecretKey`. We recommend you use a sub-account key and follow the principle of least privilege to reduce risks. For information about how to obtain a sub-account key, visit https://www.tencentcloud.com/document/product/598/32675.
$region = "ap-beijing"; //User `region`, which can be viewed in the console at https://console.tencentcloud.com/cos5/bucket.
$cosClient = new Qcloud\Cos\Client(
    array(
        'region' => $region,
        'schema' => 'https', // Protocol, which is `http` by default
        'credentials'=> array(
            'secretId'  => $secretId ,
            'secretKey' => $secretKey)));
Note:
If no HTTPS certificate is configured, you need to delete the schema parameter or enter 'schema' => 'http'. If you enter https, a certificate problem will be reported. If you want to configure an HTTPS certificate, see PHP SDK FAQs.

Creating a bucket

try {
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $result = $cosClient->createBucket(array('Bucket' => $bucket));
    // Request succeeded
    print_r($result);
} catch (\Exception $e) {
    // Request failed
    echo($e);
}

Querying the bucket list

try {
    // Request succeeded
    $result = $cosClient->listBuckets();
    print_r($result);
} catch (\Exception $e) {
    // Request failed
    echo($e);
}

Uploading an object

Note:
Upload a file (up to 5 GB) using the putObject API.
Upload a file using the Upload API. The Upload API is a composition API that uses simple upload for small files and uses multipart upload for large files.
For parameter descriptions, see Object Operations.
# Upload a file
## putObject (an API that can upload files of up to 5 GB)
### Uploading strings in memory
try {
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $key = "exampleobject"; // Object key, the unique identifier of the object in the bucket
    $result = $cosClient->putObject(array(
        'Bucket' => $bucket,
        'Key' => $key,
        'Body' => 'Hello World!'));
    print_r($result);
} catch (\Exception $e) {
    echo "$e\n";
}

### Uploading a file stream
try {
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $key = "exampleobject"; // Object key, the unique identifier of the object in the bucket
    $srcPath = "path/to/localFile";// Absolute path to local file
    $file = fopen($srcPath, "rb");
    if ($file) {
        $result = $cosClient->putObject(array(
            'Bucket' => $bucket,
            'Key' => $key,
            'Body' => $file));
        print_r($result);
    }
} catch (\Exception $e) {
    echo "$e\n";
}

## Upload (advanced upload API, which can upload files of up to 50 TB with multipart upload)
### Uploading strings in memory
try {    
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $key = "exampleobject"; // Object key, the unique identifier of the object in the bucket
    $result = $cosClient->Upload(
        $bucket = $bucket,
        $key = $key,
        $body = 'Hello World!');
    print_r($result);
} catch (\Exception $e) {
    echo "$e\n";
}

### Uploading a file stream
try {    
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $key = "exampleobject"; // Object key, the unique identifier of the object in the bucket
    $srcPath = "path/to/localFile";// Absolute path to local file
    $file = fopen($srcPath, 'rb');
    if ($file) {
        $result = $cosClient->Upload(
            $bucket = $bucket,
            $key = $key,
            $body = $file);
    }
    print_r($result);
} catch (\Exception $e) {
    echo "$e\n";
}

Querying objects

try {
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $result = $cosClient->listObjects(array(
        'Bucket' => $bucket
    ));
    // Request succeeded
    if (isset($result['Contents'])) {
        foreach ($result['Contents'] as $rt) {
            print_r($rt);
        }
    }
} catch (\Exception $e) {
    // Request failed
    echo($e);
}
A single call to the listObjects API can query up to 1,000 objects. If you want to query all objects, you need to call it repeatedly.
try {
    $bucket = "examplebucket-1250000000"; // Bucket name in the format of BucketName-APPID
    $prefix = ''; // Prefix of the objects to be listed
    $marker = ''; // End marker in the last list
    while (true) {
        $result = $cosClient->listObjects(array(
            'Bucket' => $bucket,
            'Marker' => $marker,
            'MaxKeys' => 1000 // Set the maximum number of entries to be listed in one single query, which is up to 1,000
        ));
        if (isset($result['Contents'])) {
            foreach ($result['Contents'] as $rt) {
                // Print key
                echo($rt['Key'] . "\n");
            }
        }
        $marker = $result['NextMarker']; // Set a new end marker
        if (!$result['IsTruncated']) {
            break; // Determine whether the query is complete
        }
    }
} catch (\Exception $e) {
    echo($e);
}

Downloading an object

Download a file using the getObject API.
Get the file download URL using the getObjectUrl API.
# Downloading a file
## getObject (download file)
### Download to memory
try {
    $bucket = "examplebucket-1250000000"; // Bucket in the format of BucketName-APPID
    $key = "exampleobject";  // Object key, the unique identifier of the object in the bucket
    $result = $cosClient->getObject(array(
        'Bucket' => $bucket,
        'Key' => $key));
    // Request succeeded
    echo($result['Body']);
} catch (\Exception $e) {
    // Request failed
    echo "$e\n";
}

### Download to the local file system
try {
    $bucket = "examplebucket-1250000000"; // Bucket in the format of BucketName-APPID
    $key = "exampleobject";  // Object key, the unique identifier of the object in the bucket
    $localPath = @"path/to/localFile";// Download to a specific local path
    $result = $cosClient->getObject(array(
        'Bucket' => $bucket,
        'Key' => $key,
        'SaveAs' => $localPath));
} catch (\Exception $e) {
    // Request failed
    echo "$e\n";
}

### Specifying the download range
/*
 * Range field is in the format of 'bytes=a-b'
 */
try {
    $bucket = "examplebucket-1250000000"; // Bucket in the format of BucketName-APPID
    $key = "exampleobject";  // Object key, the unique identifier of the object in the bucket
    $localPath = @"path/to/localFile";// Download to a specific local path
    $result = $cosClient->getObject(array(
        'Bucket' => $bucket,
        'Key' => $key,
        'Range' => 'bytes=0-10',
        'SaveAs' => $localPath));
} catch (\Exception $e) {
    // Request failed
    echo "$e\n";
}

## getObjectUrl (get the file URL)
try {    
    $bucket = "examplebucket-1250000000"; // Bucket in the format of BucketName-APPID
    $key = "exampleobject";  // Object key, the unique identifier of the object in the bucket
    $signedUrl = $cosClient->getObjectUrl($bucket, $key, '+10 minutes');
    // Request succeeded
    echo $signedUrl;
} catch (\Exception $e) {
    // Request failed
    print_r($e);
}

Deleting an object

# Delete an object
## deleteObject
try {
    $bucket = "examplebucket-1250000000"; // Bucket in the format of BucketName-APPID
    $key = "exampleobject";  // Object key, the unique identifier of the object in the bucket
    $result = $cosClient->deleteObject(array(
        'Bucket' => $bucket,
        'Key' => $key,
        'VersionId' => 'string'
    ));
    // Request succeeded
    print_r($result);
} catch (\Exception $e) {
    // Request failed
    echo($e);
}
# Delete multiple objects
## deleteObjects
try {
    $bucket = "examplebucket-1250000000"; // Bucket in the format of BucketName-APPID
    $key1 = "exampleobject1";  // Object key, the unique identifier of the object in the bucket
    $key2 = "exampleobject2";  // Object key, the unique identifier of the object in the bucket
    $result = $cosClient->deleteObjects(array(
        'Bucket' => $bucket,
        'Objects' => array(
            array(
                'Key' => $key1,
            ),
            array(
                'Key' => $key2,
            ),
            //...
        ),
    ));
    // Request succeeded
    print_r($result);
} catch (\Exception $e) {
    // Request failed
    echo($e);
}

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