gendocx-image.php

<?php
require_once 'vendor/autoload.php';

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

$section = $phpWord->addSection();

$section->addImage('red_stapler_sign.png',array('width' => 650, 'height' => 365));
$section->addImage('https://images-na.ssl-images-amazon.com/images/I/61NRsJeymIL._SL1500_.jpg',array('width' => 650));

header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment;filename="test.docx"');

$objWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'Word2007');
$objWriter->save('php://output');
?>