Виктор Таран

<?
$arHost = explode( ":", $_SERVER["HTTP_HOST"]);
$_SERVER["HTTP_HOST"] = $arHost[0];
$hostname = $_SERVER['HTTP_HOST'];

function echoTextFile($file) {
if (! file_exists($file)) return false;
if (! is_readable($file)) return false;

$timestamp = filemtime($file);
$tsstring = gmdate('D, d M Y H:i:s ', $timestamp) . 'GMT';
$etag = md5($file . $timestamp);

header('Content-Type: text/plain');
header('Content-Length: '.filesize($file));
header("Last-Modified: $tsstring");
header("ETag: \"{$etag}\"");

readfile($file);

return true;
}

$robotsHost = dirname(__FILE__) . "/aspro_regions/robots/robots_{$hostname}.txt";
$robotsDefault = dirname(__FILE__) . "/robots.txt";

if(!echoTextFile($robotsHost) && !echoTextFile($robotsDefault))
{
header('HTTP/1.0 404 Not Found');
}