$db_username = 'xxxxx';
$db_password = 'xxxx';
$db_name = 'xxxx';
$db_host = 'localhost';
$item_per_page = 9;

$mysqli = new mysqli($db_host, $db_username, $db_password, $db_name);
if ($mysqli->connect_error) {
    die('Error : ('. $mysqli->connect_errno .') '. $mysqli->connect_error);
}

$page_number = filter_var($_POST["page"], FILTER_SANITIZE_NUMBER_INT, FILTER_FLAG_STRIP_HIGH);

if(!is_numeric($page_number)){
    header('HTTP/1.1 500 Invalid page number!');
    exit();
}

$position = (($page_number-1) * $item_per_page);

$results = $mysqli->prepare("select * FROM inserting_discount_product ORDER BY id DESC LIMIT ?, ?");

$results->bind_param("dd", $position, $item_per_page);

$results->execute(); //Execute prepared Query

$results->bind_result($pro_id, $pro_title,
$pro_cat,$pro_desc,$pro_price,$pro_img,$pro_discount_price,$pro_discount_percent
age,$product_code);


while($results->fetch()){
                echo "
                <div id='$pro_id' class='col-md-3 col-sm-4 col-xs-12'>

                <h3 style='color:black'; align='center'>$pro_title</h3>
                <div>

                <img src='../admin_area/product_images/product_pics/$pro_img'  width='180' height='180' /> <br>
                </div>


                <p style='color:black;margin-right:12px'><b>Price: $  $pro_discount_price </b>

                <span style='color:black;text-decoration:line-through;margin-left:15px'>
                <b style='color:red'>Price: $ $pro_price</b>
                </span>

                </p>

                <a href='details.php?pro_id=$pro_id' style='margin-right:10px' class='detail_hover'><b>Details</b></a>
                <span style='font-weight:bolder'>$pro_discount_percentage %</span>
                <a href='index.php?add_cart=$pro_id&product_code=$product_code' style='color:orange;margin-left:10px' class='basket-logo'>
                <span  class='fa fa-shopping-cart fa-2x'></span></a>


                    </div>

                ";

}