<?php
//echo $_GET['id'];
//604800 - неделя

ini_set('memory_limit', '512M');
header( 'Content-Type: text/xml' );
header("Cache-Control: public");
header("Expires: " . date("r", time() + 604800));
ini_set( 'display_errors', 0 );
$smarty -> caching = true;
$smarty -> cache_lifetime = 604800;
$data=date( "Y-m-d" );
$smarty -> assign( 'data', $data );

$cache = '/tmp/cache/' . $_SERVER['SERVER_NAME'] . '/sitemap.json';
if (file_exists($cache)) {
    $text = file_get_contents($cache);
    $link = \core::j(\core::unzip($text));
    //Чистим кеш через пять дней            
    $r = time() - filemtime($cache);
    if ($r > 432000)
        unlink($cache);
} else {
    $link= \DBmysql::getAll( 'SELECT `link`, `t` FROM `sitemap` WHERE `status`=1 AND `site`=?', $_SERVER['SERVER_NAME']);
    $j = \core::j($link);
    $a = \core::zip($j);
    if (strlen($a)>16) file_put_contents($cache, $a);
}

$smarty -> assign( 'link', $link );


?>