php数据库查询分页显示

php查询数据库并分页，输出分页的html代码

$db->query("SELECT COUNT(*) FROM snippets s WHERE s.user_id = '$user_id'");
	$numRecords = mysql_result($db->result, 0, 0);
	$numPages = ceil($numRecords / $perpage);
	$page = intval($_GET['page']);
	if($page > $numPages) $page = $numPages;
	if($page < 1) $page = 1;
	$start = ($page - 1) * $perpage;
 
	$nextPage = ($page + 1 > $numPages) ? $numPages : $page + 1;
	$prevPage = ($page - 1 < 1) ? 1 : $page - 1;
 
	if($page == 1 && $numPages == 1)
		$paging = "[Page 1 of $numPages]";
	elseif($page == 1 && $numPages > 1)
		$paging = "[Page 1 of $numPages] <a href='/users/$username/page/$nextPage'>Next >></a>";
	elseif($page == $numPages)
		$paging = "<a href='/users/$username/page/$prevPage'><< Prev</a> [Page $page of $numPages]";
	else
		$paging = "<a href='/users/$username/page/$prevPage'><< Prev</a> [Page $page of $numPages] <a href='/users/$username/page/$nextPage'>Next >></a>";