composer/src/Composer/Downloader/AbstractDownloader.php

<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Downloader;

use Composer\Package\PackageInterface;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
abstract class AbstractDownloader
{
    protected function downloadFile($url, $path)
    {
        $file = fopen($url, "rb");
        if ($file) {
            $newf = fopen($path, "wb");
            if ($newf) {
                while (!feof($file)) {
                    fwrite($newf, fread($file, 1024 * 8), 1024 * 8);
                }
                fclose($newf);
            }
            fclose($file);
        }
    }
}