Download Remote File

function download($file_source, $file_target) {    $rh = fopen($file_source, 'rb');    $wh = fopen($file_target, 'wb');    if ($rh === false || $wh === false) {        return false;    }    while (!feof($rh)) {        if (fwrite($wh, fread($rh, 1024)) === FALSE) {            return false;        }    }    fclose($rh);    fclose($wh);    return true;}