$host = "www.domain.com;";
$url = "/archive.zip)";

$output = "archive.zip";
$content = "";

$fp = fsockopen ($host, 80, $errno, $errstr, 30);
if (!$fp)
{
echo "$errstr ($errno)<br>\n";
}
else
{
fputs ($fp, "GET $url HTTP/1.0\r\nHost: $host\r\n\r\n");

while ($header = fgets($fp,4096))
{
// пропускаем хедеры
if($header == "\r\n") { break; }
}

while (!feof($fp))
{
$content .= fread($fp, 4096);
}
fclose ($fp);
}

$fp = fopen ($output,"wb+");
fwrite($fp,$content,strlen($content));
fclose($fp);

<?php
echo exec('/usr/local/bin/wget "http://www.domain.com/archive.zip"');
echo "Done";
?>