Farmous

Farmous booking
<?php 
require_once './core/user_header.php'; 
require_once './config/config.php'; 
require_once './core/Database.php'; 
require_once './core/Hash.php'; 
require_once './core/Session.php'; 
require_once './public/data_access/data_fetcher_public.php'; 
Session::init(); 
//$db = new Database(DB_TYPE, DB_HOST, DB_NAME, DB_USER, DB_PASS); 
$db = new Database(); 
if (!isset($_SESSION['register_id'])) { 
    header('location:login.php'); 
} else { 
    if (isset($_POST['add_product'])) { 
        $reg_id = $_SESSION['register_id']; 
        $far_id = $db->prepare("SELECT `fullname`, `phone` FROM `register` WHERE `register_id`='$reg_id'"); 
        $far_id->execute(); 
        $far_is = $get_suser->fetchAll(); 
        $far_name = $far_is[0]['fullname']; 
        $far_phone = $far_is[0]['phone']; 
        $prd_name = $_POST['product_name']; 
        $prd_category = $_POST['pr_category']; 
        $prd_price = $_POST['price']; 
        $prd_stock = $_POST['stock']; 
        $prd_image = "upload_image/" . time() . "" . htmlspecialchars($_FILES['image']['name']); 
        move_uploaded_file($_FILES['image']['tmp_name'], $prd_image); 
        $prd_description = $_POST['description']; 
        if (($prd_name === '') || ($prd_price === '') || ($prd_stock === ''))