PHP Paging

<?php
// pager
$batas   = 10;
$halaman = $_GET['page'];
if(empty($halaman)){
    $posisi=0;
    $halaman=1;
}else{
    $posisi = ($halaman-1) * $batas;
}

// get Data from db
$res = $db->query('SELECT uri,tgl,nama,url,title,body from tbl_blog order by tgl desc limit $posisi, $batas');

// display result
while($data = $result->fetch_assoc()){
echo "<h2 class=\"title\">$new[title]</h2>
<div class=\"label\">Oleh <a href=\"$new[url]\" target=\"_blank\">$new[nama]</a> | pada ".dateID('full',$new['tgl'])."</div>";
$content = ringkasan($new['body']);
echo "<p>$content</p>$newline<p class=\"more\"><a href=\"$new[uri]\">Selengkapnya&raquo;...</a></p";
}