<?php
include('database.php');
    $newtitle=$row['product_name'].".html";
    $sql=mysql_query("select * from products where product_name='$newtitle'");
    $count=mysql_num_rows($sql);
    $row=mysql_fetch_array($sql);
?>

RewriteEngine On

RewriteRule ^([a-zA-Z0-9-/]+).html$ view.php?url=$1
RewriteRule ^([a-zA-Z0-9-/]+).html/$ view.php?url=$1