public function putBlockList($containerName = '', $blobName = '', $blockList = array(), $metadata = array(), $leaseId = null, $additionalHeaders = array())
    {
        Assertion::notEmpty($containerName, 'Container name is not specified');
        self::assertValidContainerName($containerName);
        Assertion::notEmpty($blobName, 'Blob name is not specified.');
        Assertion::notEmpty($blockList, 'Block list does not contain any elements.');
        self::assertValidRootContainerBlobName($containerName, $blobName);

        $blocks = '';
        foreach ($blockList as $block) {
            $blocks .= '  <Latest>' . base64_encode($block) . '</Latest>' . "\n";
        }

        $fileContents = utf8_encode(implode("\n", array(
            '<?xml version="1.0" encoding="utf-8"?>',
            '<BlockList>',
            $blocks,
            '</BlockList>'
        )));

        $headers = array();
        if (!is_null($leaseId)) {
            $headers['x-ms-lease-id'] = $leaseId;
        }
        $headers = array_merge($headers, $this->generateMetadataHeaders($metadata));

        foreach ($additionalHeaders as $key => $value) {
            $headers[$key] = $value;
        }

        $resourceName = self::createResourceName($containerName , $blobName);

        $response = $this->performRequest($resourceName, array('comp' => 'blocklist'), 'PUT', $headers, false, $fileContents, self::RESOURCE_BLOB, self::PERMISSION_WRITE);
        if ( ! $response->isSuccessful()) {
            throw new BlobException($this->getErrorMessage($response, 'Resource could not be accessed.'));
        }
    }