Download large files using Guzzle 6.3

gistfile1.php

<?php

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

use GuzzleHttp\Client;

$url = "https://domain.tld/large-file.mp4";

$tmpFile = tempnam(sys_get_temp_dir(), 'guzzle-download');
$handle = fopen($tmpFile, 'w');

$client = new Client(array(
    'base_uri' => '',
    'verify' => false,
    'sink' => storage_path('file.mp4'),
    'curl.options' => array(
        'CURLOPT_RETURNTRANSFER' => true,
        'CURLOPT_FILE' => $handle
    )
));

$client->get($url);

fclose($handle);