if (preg_match("/http/",$url_files)){
    $ch = curl_init($url_files);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
    $out = curl_exec($ch);
    $image_sv = 'путь_куда_вы_сохраняете_картинку'.$nm.'.jpg';
    $img_sc = file_put_contents($image_sv, $out);
    curl_close($ch);
}

use MCurlClient;

$urls = array(
    'ht tp://cs1-38v4.vk-cdn.net/p13/cdfeaeaf00705d.mp3',
    'ht tp://cs1-32v4.vk-cdn.net/p2/5c0972b283ee17.mp3',
);
$save_path = '/tmp';

$client = new Client();

do {
    while ($client->has()) {
        $result = $client->next();
        // Пересохраняем рисунок с ошибкой
        if ($result->hasError()) {
            $urls[] = $result->options[CURLOPT_URL];
        }
    }

    foreach($urls as $url) {
        $file = $save_path . '/'. basename($url);
        $client->add([
            CURLOPT_URL => $url,
            CURLOPT_FILE => fopen($file, 'w'),
        ]);
    }
    $urls = [];

} while($client->run() || $client->has());