How to add items to shopping cart in php

how to add items to shopping cart in php

Simple PHP Shopping Cart

Adding item to shopping cart using php and html. Ask Question Asked 7 years, 5 months ago. Active 5 years, 1 month ago. Viewed 18k times 0. I am attempting to implement a shopping cart using php, and html. The problem I am having is storing the id of the product to be stored using a session. The following is the code that I have at the moment. Apr 16,  · For add products, go to your database located in PhpMyAdmin, and go to insert section. Now there you can add products by giving their products info like ID, name, price & image name.

In e-commerce websites, it is all about usability and conversion. A micro feature can stand between you and profitability. We need to facilitate buyer as much as possible by adding needed iin to the shopping cart and its flow process.

For example, by providing drag and drop can be a killer feature in a shopping cart and increases the sales. Previously, in a PHP shopping cart example, I have added an input to enter the product quantity with increment and decrement option. Like this you need to look for opportunities to make the buyer comfortable.

View Demo. Adding multiple products to the cart will help the user to bulk upload. I have added a checkbox for each item in the product gallery. The user will select the product how to download itunes to ipod nano free using this checkbox. Once the user finalizes the list of products he wants to buy, he can move them all together to the cart stack by clicking the czrt button. This HTML code is used to show the product gallery after reading the products from the database.

Each product item is displayed as a card with a checkbox option. This checkbox is used to select the product if the user wants to move it to the cart. After selecting favourite products by how to get rid of morgellons in hair these checkboxes, the Add to Cart submit button is used to send the bulk of selected products to the PHP.

This sbopping script is used to highlight the product item by cadt the checkbox. Also, it sets the selected product ident in a hidden field that is accessed by PHP after submitting the selected products. After submitting the bulk number of products via the HTML form, PHP receives the selected product array and process bulk add-to-cart action. I used the persistent cart with the help of the database to preserve the shoppjng cart item even after user session expired.

I have sopping the selected product array and process add-to-cart action in each iteration. While adding products to the cart, I check pp the product already exists in the cart.

If so, I update it by increasing its quantity instead of adding a new entry. This screenshot shows the shopping cart how to add items to shopping cart in php gallery with the selected products. The selected products are in checked shoppig and highlighted in the screenshot.

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Aug 24,  · echo ""; // cart item settings $cart_item->user_id=1; // we default to a user with ID "1" for now $cart_item->product_id=$id; // if product was already added in the cart if($cart_item->exists()){ echo "This product is already in your cart."; echo ""; echo "Update Cart"; echo ""; } // if . Sep 01,  · Adding multiple products to the cart will help the user to bulk upload. I have added a checkbox for each item in the product gallery. The user will select the product by using this checkbox. Once the user finalizes the list of products he wants to buy, he can move them all together to the cart stack by clicking the add-to-cart button. Jun 08,  · contents () – Returns the entire cart content as an array. get_item () – Returns a specific cart item details. total_items () – Returns the total item count in cart. total () – Returns the total price of the cart. insert () – Insert items into the cart and save it in the SESSION. update () .

Shopping carts are a must for every site that needs to sell products online. You will learn how to list your products in a table, add a product to a shopping cart, remove an article from it, empty a shopping cart and how to checkout. You do not need a database for managing the shopping cart itself, but because we want to list products for selling, we will need to retrieve the products from some place that it is flexible to update, like for instance a database.

We are going to insert some initial product data in there for demonstration purposes. Let us create one MySQL table named products. It has an ID, product name and a price. You can expand this table as you want. I am keeping it simple as this is not a tutorial about listing and creating products. I am inserting four products, named them Product 1 to Product 4, the prices are randomly set. Note that the price field is float, prices can be float values. Now we will create a page which will list all the products with their prices, as well a link to add the product to the cart.

Let us create index. It will contain a table dynamically generated using a loop through an array, that array will have the products list from the database. I will use a PHP class and will put in it a method which will query the products list and return them in the array. Shopping carts need to be stored in some place to keep track of the products that the user picks. You can use any type of data storage. In this case I am using PHP sessions. They are easy to access, you can store arrays in them, and differently from database systems, you do not need to connect to them every time you need them, and they do not require the user of any query language.

They are simply fast and easy to manipulate. Here we could use a template engine to place the values of products in the page output to separate the script logic from the presentation logic. However, to simplify this tutorial we are using PHP statements in the middle of the HTML code just so you can easily see where everything goes. Next in the page head section we will need to include the jQuery library and main. Then before the table I am creating an instance to the cart class we will discuss that later too and calling getProducts method to get the products array back.

For now we will discuss its details, just know that this method will return us an array with products ID, name and price. Next with a foreach loop we are creating a table row for every product, listing the name, then price and a span having the product ID in data-id attribute. In both front end files we will be using two JavaScript files.

One is the jQuery library which we are retrieving from a Content Delivery Network site code. We are using jQuery as it is easy and comfortable. It has extensive AJAX support that will be used in main. In this file we are just registering one event handler, add to cart. It is used in the first front end file I already explained. Note that we should register the event handlers after the document is fully loaded. This is important for the code to work correctly. We are attaching the event handler to an HTML element.

If it is not loaded it will not work. In index. We are attaching a click handler to every one, and assigning a function which will be called. The AJAX file will add the product to our cart, on finish we will trigger an alert to let us know that the product is in our cart. After adding products in the cart, you need to have a way to view them and show what is in the cart.

We will use a script named show-cart. As in index. Then we are including the config file and the cart class. In this script we will show the cart entries in a table, every row will have one product with its name.

Also we will show the number of items of that product, as it can be bought more than one item of a product. Of course one more information is required, it is the total price which is the price of a single item of a product multiplied with the number of items in the cart.

Actually we call one script named ajax. Create a file named ajax. Then including the config file and the cart class. Now we create an instance of the class to access the methods we need. With every call to this file we sent an action, so we get that action value and handle it in a switch case statement.

In this case by providing add we call the addToCart method. It will add the sent product in the cart. Later we will discuss how to remove items and empty the cart. Before going on with the cart class, just create a script called config. In this file we are defining the credentials of access to the database required by the database server so we can connect to it and pass authentication. These constants are used in the class. We are separating them into a single script to have easier and safer access to them.

Finally we are creating the cart class, here we have all the mothods we need for the cart to function. Create a file named as cart. To simplify this tutorial we have omitted error handling of eventual failures to connect to the database or execute queries, but robust applications should always implement error handling to provide good user experience and help the developer to debug errors when they happen.

First let me explain the connection issue, as we will connect to the database more than once we are using a private member variable which will hold the connection. The connection will be opened on class creation by a constructor and closed by a destructor. Next method is getProducts. We call that method in index. We get the connection object, and make a query to the products table.

The data is sorted in an array with a while loop using an empty generic class. The result is returned as an array. In ajax. If it is valid we test if the cart variable in session is empty. If it is empty we create a new entry, the product ID, count one and add it in session. If the session variable is not empty, we loop through the cart array.

If we find the product, we just increment the count variable. If it is not there we add it as a new element with count one. The changed array is returned back to the session. By this we will make sure we do not have duplicates in the session, if product already exists we increase the count number by one, if not we add it there.

In show-cart. It simply lists all cart products in an array. The problem we have here is in the cart we have only ID's and count of products, we do not have prices nor product names. Here the getProductData private method gets handy.

For every product in the cart we call it and get all the data needed to list in the array. You can always use some of the e-commerce systems on-line, but they are too complicated and usually are not easy to customized. With this simple class you can customize your shopping cart and keep it simple and low weight. The class package code is available right here for you to download the ZIP archive or install it using the Composer tool with instructions also on this page.

You can enhance it in many ways to make the class even better to address your needs like adding support for VAT and specify price currency. In the next part we will how to do other stuff with the shopping cart like remove products or empty the cart.

If you liked this article or you have questions or suggestions, just post comment here. If you have great suggestions to improve the package I may implement your ideas in the class in the future.

Just let me know. Shopping Cart related - Arica Martin This tutorial helped me really to make the shopping cart Inline Shopping cart using php mysql - pardeep kumar Inline Shopping cart using php mysql Shopping cart - sunil kumar L Operation Shopping cart with custom input data value - Madhu Shopping cart with custom input data value Android - Alex Solano why it doesn't add in my device?

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