Prestashop get Cookie value (or) Cart value

Step: 1
Create a new file in home directory named as "get_cookie.php"

Step: 2
Add the Below code to "get_cookie.php"

<?php
require_once dirname(__FILE__) . '/config/config.inc.php' ;
require_once(dirname(__FILE__) . '/config/settings.inc.php');
require_once dirname(__FILE__) . '/init.php' ;

function getAllCookies(){
global $cookie ;
// var_dump($cookie);
return $cookie;
}

$cookies = getAllCookies();

$query = "SELECT p.id_product,pp.id_category_default, pl.name, p.quantity, pp.price, p.id_product_attribute, pp.price * cu.conversion_rate AS orderprice, cu.sign, cu.format FROM ps_cart c
LEFT JOIN ps_cart_product p ON (p.id_cart = c.id_cart)
LEFT JOIN ps_product pp ON (pp.id_product = p.id_product)
LEFT JOIN ps_product_lang pl ON (pl.id_product = p.id_product)
LEFT JOIN ps_currency cu ON (cu.id_currency = c.id_currency)

WHERE c.id_cart = " . (int) $cookies->id_cart . " AND pl.id_lang = 1
ORDER BY p.date_add ASC";


$link1 = mysql_connect(_DB_SERVER_, _DB_USER_, _DB_PASSWD_);

if ($link1) {
$db_selecteds = @mysql_select_db(_DB_NAME_, $link1);
$ress = mysql_query($query);
$arrProductss = array();
$sd=0;
while ($rows = mysql_fetch_assoc($ress)) {
 $arrProducts[] = $rows;
 print_r($arrProducts[$sd]);
  $sd++;
}

var_dump($arrProducts); // all products from session cart
}
mysql_close($link1);
?>

Step: 3
Add some product to your website cart. Then Access the get_cookie.php in your browser
"www.yoursite.com/get_cookie.php". It so the product information

Display Product Next/Prev Link in Hikashop

Step:1

Open the file: components/com_hikashop/views/product/tmpl/show_default.php

Step:2 Add the below code to "show_default.php" 

<?php
$prev_itemlink = $this->links->previous;
$next_itemlink = $this->links->next;

echo "<a title='Previous product' style=\"text-decoration:none;\" href='".$prev_itemlink."'>< Previous item</a>";

echo "<a title='Next product' style=\"text-decoration:none;\" href='".$next_itemlink."'>Next item ></a>";

?>