PHP: Copy image from remote server to local server

$remoteimage = "http://domain.com/path/to/remote/image.jpg";
$localimage = "/home/domain/httpdocs/path/to/my/image.jpg";

if ($content = file_get_contents($remoteimage)) {
    if (!empty($content)) {
        $fp = fopen($localimage, "w");
        fwrite($fp, $content);
        fclose($fp);
    }
}