Поиск похожих материалов в модуле.

//старый код
if ($confn['assoc']) {
			if ($associated[strlen($associated)-1] == "-") $associated = substr($associated, 0, -1);
			$asso = str_replace("-", ",", $associated);
			$limit = intval($confn['asocnum']);
			list($count) = $db->sql_fetchrow($db->sql_query("SELECT Count(sid) FROM ".$prefix."_news WHERE catid IN (".$asso.") AND sid!='".$id."' AND time<=now() AND status!='0'"));
			if ($count >= $limit) {
				$random = mt_rand(0, $count - $limit);
				$result = $db->sql_query("SELECT sid, title, time FROM ".$prefix."_news WHERE catid IN (".$asso.") AND sid!='".$id."' AND time<=now() AND status!='0' ORDER BY time DESC LIMIT ".$random.", ".$limit);
				$cont .= tpl_eval("open");
				$cont .= "<h2>"._ASSTORY."</h2>"
				."<table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"0\" class=\"hover\">";
				while(list($s_sid, $title, $time) = $db->sql_fetchrow($result)) {
					$cont .= "<tr><td><a href=\"index.php?name=".$conf['name']."&op=view&id=".$s_sid."\" title=\"".$title."\"><img src=\"".img_find("all/news.png")."\" border=\"0\"></a></td><td width=\"98%\"><a href=\"index.php?name=".$conf['name']."&op=view&id=".$s_sid."\" title=\"".$title."\">".$title."</a></td></tr>";
				}
				$cont .= "</table>";
				$cont .= tpl_eval("close");
			}
		}

//новый код будет создавать файл кеша с ид данной новости
if ($confn['assoc']) {
//проверяем если кеш есть то берем из кеша
if(file_exists("config/cache/newsrelated".$id.".tmp")){
$cont .= file_get_contents("config/cache/newsrelated".$id.".tmp");
}
//если нет то создаем фал кеша с ид данной новости
else{

			if ($associated[strlen($associated)-1] == "-") $associated = substr($associated, 0, -1);
			$asso = str_replace("-", ",", $associated);
			$limit = intval($confn['asocnum']);
			list($count) = $db->sql_fetchrow($db->sql_query("SELECT Count(sid) FROM ".$prefix."_news WHERE catid IN (".$asso.") AND sid!='".$id."' AND time<=now() AND status!='0'"));
			if ($count >= $limit) {
				$random = mt_rand(0, $count - $limit);
				$result = $db->sql_query("SELECT sid, title, time FROM ".$prefix."_news WHERE catid IN (".$asso.") AND sid!='".$id."' AND time<=now() AND status!='0' ORDER BY time DESC LIMIT ".$random.", ".$limit);
				$cont .= tpl_eval("open");
				$cont .= "<h2>"._ASSTORY."</h2>"
				."<table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"0\" class=\"hover\">";
				while(list($s_sid, $title, $time) = $db->sql_fetchrow($result)) {
					$cont .= "<tr><td><a href=\"index.php?name=".$conf['name']."&op=view&id=".$s_sid."\" title=\"".$title."\"><img src=\"".img_find("all/news.png")."\" border=\"0\"></a></td><td width=\"98%\"><a href=\"index.php?name=".$conf['name']."&op=view&id=".$s_sid."\" title=\"".$title."\">".$title."</a></td></tr>";
				}
				$cont .= "</table>";
				$cont .= tpl_eval("close");
			}
			//записываем кеш
			$fp = fopen("config/cache/newsrelated".$id.".tmp", "wb");fwrite($fp,$cont);fclose($fp);
			
			
			}
			
			
			
			
		}

/* удалнение кеша*/
function clear_cache($cache_area = false,$system="") {
	$adsystem = ($system) ? '/system' : "";
	$fdir = opendir('config/cache'.$adsystem.'' );
	
	while ( $file = readdir( $fdir ) ) {
		if( $file != '.' and $file != '..' and $file != '.htaccess' and $file != 'system' ) {
			
			if( $cache_area ) {
				
				if( strpos( $file, $cache_area ) !== false ) @unlink( 'config/cache/'.$adsystem.'' . $file );
			
			} else {
				
				@unlink( 'config/cache/'.$adsystem.'' . $file );
			
			}
		}
	}
}

echo $cont;

//Теперь при заходе в админку буде очищаться весь кеш.
clear_cache();