PHP

Azure Storage: Download Blob to File

See more Azure Cloud Storage Examples

Sample code to download an Azure blob to a file. Chilkat2 PHP

<?php

use Chilkat2\AuthAzureStorage;
use Chilkat2\Rest;
use Chilkat2\Stream;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$rest = new Rest();

// Connect to the Azure Storage Blob Service
$bTls = true;
$port = 443;
$bAutoReconnect = true;
// In this example, the storage account name is "chilkat".
try {
    $rest->Connect('chilkat.blob.core.windows.net', $port, $bTls, $bAutoReconnect);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Provide Azure Cloud credentials for the REST call.
$azAuth = new AuthAzureStorage();
$azAuth->AccessKey = 'AZURE_ACCESS_KEY';
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
$azAuth->Account = 'chilkat';
$azAuth->Scheme = 'SharedKey';
$azAuth->Service = 'Blob';
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
$azAuth->XMsVersion = '2021-08-06';
$rest->SetAuthAzureStorage($azAuth);

// Note: The application does not need to explicitly set the following
// headers: Content-Length, x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

// Setup a file stream for the download
$fileStream = new Stream();
$fileStream->SinkFile = 'C:/temp/qa_output/starfish.jpg';

// Indicate that the call to FullRequestNoBody should send the response body
// to fileStream if the response status code is 200.
// If a non-success response status code is received, then nothing
// is streamed to the output file and the error response is returned by FullRequestNoBody.
$expectedStatus = 200;
$rest->SetResponseBodyStream($expectedStatus, true, $fileStream);

// The Azure blob container is "test", the file is "starfish.jpg"
$responseStr = null;
try {
    $responseStr = $rest->FullRequestNoBody('GET', '/test/starfish.jpg');
} catch (\Chilkat2\Exception $e) {
    // Examine the request/response to see what happened.
    echo 'response status code = ', $rest->ResponseStatusCode, "\n";
    echo 'response status text = ', $rest->ResponseStatusText, "\n";
    echo 'response header: ', $rest->ResponseHeader, "\n";
    echo 'response body (if any): ', $responseStr, "\n";
    echo "---\n";
    echo 'LastRequestStartLine: ', $rest->LastRequestStartLine, "\n";
    echo 'LastRequestHeader: ', $rest->LastRequestHeader, "\n";
    exit;
}

echo "Success.\n";