imgfetcher.php

<?php
require 'vendor/autoload.php';
use Goutte\Client;
use GuzzleHttp\Client as GuzzleClient;

$client = new Client();
$guzzleClient = new GuzzleClient(array(
    'verify' => false,
));
$client->setClient($guzzleClient);

$crawler = $client->request('GET', 'https://localhost/');

// Get the latest post in this category and display the titles
$srcs = array_filter($crawler->filter('img')->extract(array('src')), function($value) {
    return !preg_match('/data:image.+base64/i', $value);
});

//file_put_contents(basename($srcs[0]), file_get_contents($srcs[0]));
var_dump($srcs);