PHPWord Convert HTML + PDF

<?php

require_once "vendor/autoload.php";

use Dompdf\Dompdf;

class Convert {
	
	public function index()
	{
		// get template 
		$filename = implode('.', 'word_template_letter.docx');
		$letterTemplate = 'folder/word_template_letter.docx';

		// set value template
		$template = new \PhpOffice\PhpWord\TemplateProcessor($letterTemplate);
		$template->setValue('letter_number', '123/QWE');
		$template->setValue('date', date('d F Y'));
		$template->setValue('importance', 'HIGH');
		$template->setValue('to', 'All Employee');
		$template->setValue('cc', 'Director');
		$template->setValue('from', 'Human Resource Development');
		$template->setValue('subject', 'Internal Office Memo');

		$template->saveAs($letterTemplate);

		// convert Word to HTML and Parsing Data
		$pathHTML = 'folder/'. $filename[0] . '.html';
		$phpWord = \PhpOffice\PhpWord\IOFactory::load($letterTemplate);
		$htmlWriter = new \PhpOffice\PhpWord\Writer\HTML($phpWord);
		$htmlWriter->save($pathHTML);

		$message = "<h1> Other Random Generators </h1>
		<p>
			It had become a far too common an event in her life. She has specifically placed the key to the box in a special place so that she wouldn't lose it and know exactly where it was when the key was needed. Now that she needed to open the box, she had absolutely no idea where that special spot she placed the key might be.
		</p>";

		$file = file_get_contents($pathHTML);
		$str = str_replace('${message}', $message, $file);
		file_put_contents($pathHTML, $str);

		// convert HTML to PDF
		$pathPDF = 'folder/'. $filename[0] .'.pdf';
		$dompdf = new Dompdf();
		$dompdf->loadHtml(file_get_contents($pathHTML));
		$dompdf->render();
		$output = $dompdf->output();
		file_put_contents($pathPDF, $output);
	}

}