What are some best practices for managing cloud services and file downloads in PHP?

When managing cloud services and file downloads in PHP, it is important to ensure security, scalability, and efficiency. One best practice is to use a cloud storage service like Amazon S3 to store files securely and reliably. To manage file downloads, consider using PHP's built-in functions like file_get_contents() to retrieve files from the cloud and serve them to users. 

// Example code snippet for managing file downloads from Amazon S3 in PHP

// Set your AWS credentials
$bucket = 'your-bucket-name';
$key = 'your-access-key';
$secret = 'your-secret-key';

// Create a new S3 client
$s3 = new Aws\S3\S3Client([
    'version' => 'latest',
    'region' => 'us-west-2',
    'credentials' => [
        'key' => $key,
        'secret' => $secret,
    ],
]);

// Get the file from S3
$result = $s3->getObject([
    'Bucket' => $bucket,
    'Key' => 'file-to-download.txt',
]);

// Output the file to the user
header('Content-Type: ' . $result['ContentType']);
echo $result['Body'];

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