Codeigniter - Descargar plantilla ya creada con phpword en codeigniter

public function word(){

$phpWord = new \PhpOffice\PhpWord\PhpWord();

$section = $phpWord->addSection();

$section->addText('"Learn from yesterday, live for today, hope for tomorrow. '

. 'The important thing is not to stop questioning." '

. '(Albert Einstein)');

$section->addText('Great achievement is usually born of great sacrifice, '

. 'and is never the result of selfishness. (Napoleon Hill)',

array('name' => 'Tahoma', 'size' => 10));

$fontStyleName = 'oneUserDefinedStyle';

$phpWord->addFontStyle($fontStyleName,

array('name' => 'Tahoma', 'size' => 10, 'color' => '1B2232', 'bold' => true));

$section->addText('"The greatest accomplishment is not in never falling, '

. 'but in rising again after you fall." '

. '(Vince Lombardi)',

$fontStyleName);

$fontStyle = new \PhpOffice\PhpWord\Style\Font();

$fontStyle->setBold(true);

$fontStyle->setName('Tahoma');

$fontStyle->setSize(13);

$myTextElement = $section->addText('"Believe you can and you\'re halfway there." (Theodor Roosevelt)');

$myTextElement->setFontStyle($fontStyle);

$file = 'HelloWorld.docx';

header("Content-Description: File Transfer");

header('Content-Disposition: attachment; filename="' . $file . '"');

header('Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document');

header('Content-Transfer-Encoding: binary');

header('Cache-Control: must-revalidate, post-check=0, pre-check=0');

header('Expires: 0');

$xmlWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'Word2007');

$xmlWriter->save("php://output");

}

public function word()

{

    // Ruta de la plantilla existente en tu servidor

    $templatePath = '/ruta/a/tu/plantilla/existente.docx';

    // Verificar si la plantilla existe

    if (!file_exists($templatePath)) {

        show_error('La plantilla no se encuentra en el servidor.');

    }

    // Cargar la plantilla existente

    $phpWord = \PhpOffice\PhpWord\IOFactory::load($templatePath);

    // Puedes agregar más contenido o realizar modificaciones en la plantilla si es necesario

    // Preparar la descarga del archivo

    $file = 'NombreDelArchivoDescargado.docx';

    header("Content-Description: File Transfer");

    header('Content-Disposition: attachment; filename="' . $file . '"');

    header('Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document');

    header('Content-Transfer-Encoding: binary');

    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');

    header('Expires: 0');

    // Guardar y descargar la plantilla modificada

    $xmlWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'Word2007');

    $xmlWriter->save("php://output");

}