Example:
require 'vendor/autoload.php';
use GuzzleHttp\Streamer\Utils;
use GuzzleHttp\Streamer\BaseWrapper;
use GuzzleHttp\Streamer\NoSeek;
$base = Utils::fromString('foobar');
$f = NoSeek::wrap($base);
echo fread($f, 10);
fseek($f, 0);
echo fread($f, 10);
fseek($base, 0);
echo fread($base, 10);