PHP Extension

Download a Binary File into Memory

See more Azure Cloud Storage Examples

Downloads a binary file into memory. PHP Extension

<?php

include("chilkat.php");

$success = false;

// Azure File Service Example: Download a Binary File to Memory
// See:  https://docs.microsoft.com/en-us/rest/api/storageservices/get-file

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

$rest = new CkRest();

// Connect to the Azure Storage Blob Service
$bTls = true;
$port = 443;
$bAutoReconnect = true;
// In this example, the storage account name is "chilkat".
$success = $rest->Connect('chilkat.file.core.windows.net',$port,$bTls,$bAutoReconnect);
if ($success == false) {
    print $rest->lastErrorText() . "\n";
    exit;
}

// Provide Azure Cloud credentials for the REST calls.
$azAuth = new CkAuthAzureStorage();
$azAuth->put_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->put_Account('chilkat');
$azAuth->put_Scheme('SharedKey');
$azAuth->put_Service('File');
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
$azAuth->put_XMsVersion('2021-08-06');
$success = $rest->SetAuthAzureStorage($azAuth);

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

// Send a GET request to download the file "penguins.jpg" to a BinData object.
// (The share name is "pip")
$bdFileContents = new CkBinData();
$success = $rest->FullRequestNoBodyBd('GET','/pip/wildlife/antarctic/penguins.jpg',$bdFileContents);
if ($success == false) {
    print $rest->lastErrorText() . "\n";
    exit;
}

// When successful, the response status will be 200.
// If a non-success status code is returned, then the bdFileContents actually contains the XML error message.
if ($rest->get_ResponseStatusCode() != 200) {
    // Examine the request/response to see what happened.
    print 'response status code = ' . $rest->get_ResponseStatusCode() . "\n";
    print 'response status text = ' . $rest->responseStatusText() . "\n";
    print 'response header: ' . $rest->responseHeader() . "\n";
    $sbXmlErr = new CkStringBuilder();
    $sbXmlErr->AppendBd($bdFileContents,'utf-8',0,0);
    print 'response body (if any): ' . $sbXmlErr->getAsString() . "\n";
    print '---' . "\n";
    print 'LastRequestStartLine: ' . $rest->lastRequestStartLine() . "\n";
    print 'LastRequestHeader: ' . $rest->lastRequestHeader() . "\n";
    exit;
}

print 'Size of the downloaded file = ' . $bdFileContents->get_NumBytes() . "\n";

// See the online reference documentation for the BinData class for ways
// to access the bytes.

$bdFileContents->WriteFile('qa_output/penguins.jpg');

?>