تصدير ورقة عمل إلى TIFF من Excel

// For complete examples and data files, please go to https://github.com/aspose-cells-cloud/aspose-cells-cloud-php/
    <?php
    require_once('vendor\autoload.php');
    use \Aspose\Cells\Cloud\Api\LightCellsApi;
    $cells = new LightCellsApi( getenv("ProductClientId"),getenv("ProductClientSecret") );
    $files = array (
        'DataSource' =>  "C:/datasource.xlsx",
        'AssemblyTest' => "C:/assemblytest.xlsx"
    );
    $result = $cells->postExport( $files,'worksheet', 'tiff' );
    $filename = $result->getFiles()[0]->getFilename() ;
    $fileData = $result->getFiles()[0]->getFileContent() ;
    $ptr = fopen($filename, 'wb');
    fwrite($ptr, base64_decode($fileData));
    fclose($ptr);