<?php require_once "../config/Autoload.php"; //class autoload require_once "../libs/datafilter.php"; //form validation function if (isset($_POST['id'])) { //Conditions to display edit_product in modal window $_POST = trimAll($_POST); //validation form data $_POST = htmlAll($_POST); //validation form data $id = $_POST['id']; $product = Product::showEditProduct($id); //We get a product that will edit $product_info = array(); //an array of product characteristics while ($res = mysqli_fetch_assoc($product)) { $product_info[] = $res; //fill an array of product characteristics } echo json_encode($product_info); //response to Ajax (send product characteristics to JavaScript ) } if (isset($_POST['edit_id'])) { //Conditions to EDIT product in Database $_POST = trimAll($_POST); //validation form data $_POST = htmlAll($_POST); //validation form data $edit_id = $_POST['edit_id'];