test.php

<?php
/**
 * Created by PhpStorm.
 * User: Youi
 * Date: 2015-12-10
 * Time: 23:03
 */

function getImagesDownloadPage($imageUrls){
    ob_start();
    include_once('images-download-tpl.php');
    return ob_get_clean();
}

$photoUrls = array(
    'https://41.media.tumblr.com/1d49ac96908de749913c17cb0ccd69ae/tumblr_o0xdkwIUna1uroj0po1_540.jpg',
    'https://41.media.tumblr.com/c3fa0ef705ef2d2471dfeddbaf390641/tumblr_mhnbfwVpxG1qmz3y2o1_540.jpg',
    'https://36.media.tumblr.com/2086f0fd4ebfa9763092c570bc678a2d/tumblr_o0xdkcLqKS1uroj0po1_540.jpg',
    'https://41.media.tumblr.com/1d49ac96908de749913c17cb0ccd69ae/tumblr_o0xdkwIUna1uroj0po1_540.jpg',
    'https://41.media.tumblr.com/c3fa0ef705ef2d2471dfeddbaf390641/tumblr_mhnbfwVpxG1qmz3y2o1_540.jpg',
    'https://36.media.tumblr.com/2086f0fd4ebfa9763092c570bc678a2d/tumblr_o0xdkcLqKS1uroj0po1_540.jpg',
);

echo $page = getImagesDownloadPage($photoUrls);
file_put_contents('images.html', $page);

//echo strlen($page), "\n";
//echo strlen(gzcompress($page, -1)), "\n";
//echo strlen(gzcompress($page, 9));

//'' ?: $abc = 100;
//echo $abc;