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Getting Started

Last updated: 2022-03-24 10:19:20

    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, please see SDK Sample Code.
    • For the SDK changelog, please see Changelog.
    • For SDK FAQs, please 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. Start 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 7.2.5 or later, Guzzle 7 will be downloaded by default. Otherwise, Guzzle 6 will be downloaded.

    1. 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 (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, please see Bucket Operations and Object Operations.

    Initialization

    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 SECRETID and SECRETKEY.
    $secretId = "SECRETID"; //Replace it with the actual SecretId, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    $secretKey = "SECRETKEY"; //Replace it with the actual SecretKey, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    $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'  => $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.

    If you initialize a client with a temporary key, create an instance in the following way.

    $tmpSecretId = "SECRETID"; //Replace it with the actual SecretId, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    $tmpSecretKey = "SECRETKEY"; //Replace it with the actual SecretKey, which can be viewed and managed at https://console.tencentcloud.com/cam/capi
    $tmpToken = "COS_TOKEN"; //Token is required for temporary keys. For more information about how to generate and use a temporary key, see https://www.tencentcloud.com/document/product/436/14048
    $region = "COS_REGION"; //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)));
    

    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, please 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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