Download large files using Guzzle

gistfile1.php

<?php

use Guzzle\Http\Client;

require __DIR__ . '/vendor/autoload.php';

$tmpFile = tempnam(sys_get_temp_dir(), 'guzzle-download');
$handle = fopen($tmpFile, 'w');
$client = new Client('', array(
    Client::CURL_OPTIONS => array(
        'CURLOPT_RETURNTRANSFER' => true,
        'CURLOPT_FILE' => $handle
    )
));

$client->get('http://domain.tld/large-file.mp4')->send();
fclose($handle);