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Access Key

Access key authentication is the default when you connect using a storage account connection string.

<?php

use AzureOss\Storage\Blob\BlobServiceClient;

$service = BlobServiceClient::fromConnectionString(
    getenv('AZURE_STORAGE_CONNECTION_STRING')
);

For local development with Azurite, you can use:

AZURE_STORAGE_CONNECTION_STRING="UseDevelopmentStorage=true"

UseDevelopmentStorage=true tells the SDK to connect to the local Azurite emulator instead of Azure Storage.

Option 2: Explicit Endpoint + Shared Key​

<?php

use AzureOss\Storage\Blob\BlobServiceClient;
use AzureOss\Storage\Common\Auth\StorageSharedKeyCredential;
use GuzzleHttp\Psr7\Uri;

$credential = new StorageSharedKeyCredential(
    getenv('AZURE_STORAGE_ACCOUNT_NAME'),
    getenv('AZURE_STORAGE_ACCOUNT_KEY')
);

$endpoint = new Uri('https://'.getenv('AZURE_STORAGE_ACCOUNT_NAME').'.blob.core.windows.net/');
$service = new BlobServiceClient($endpoint, $credential);

Verify SAS Capability​

With shared key credentials, SAS generation is available:

$container = $service->getContainerClient('quickstart');

if ($container->canGenerateSasUri()) {
    // generate container/blob SAS tokens
}