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Example code of tandrezone/cart-officer

Informations about the package cart-officer

CartOfficer

A lightweight, session-based PHP shopping cart composer package.
Supports adding products (with variants), updating quantities, deleting items and creating an order that POSTs the cart payload to your own endpoint — all with a polished, accessible slide-in UI.

Requirements

Requirement Version
PHP ≥ 7.4
Composer any

No framework required — works with any PHP project.

Installation

Quick Start

1. Create the cart endpoint (e.g. cart.php)

2. Add the CSS in your <head>

Tip: copy public/css/cart.css and public/js/cart.js to your own public/ folder if you need to serve assets from a different path.

3. Configure the JS (optional, before the script tag)

4. Include the templates

Place the cart button wherever you want it (header, navbar, etc.):

Place the sidebar (and overlay) once, just before </body>:

5. Add the JS before </body>

Adding an "Add to Cart" Button to a Product

Add the class co-add-btn and the required data-* attributes to any button:

Attribute Required Description
data-product-id ✅ Unique product identifier
data-product-name ✅ Product name shown in the cart
data-price ✅ Unit price (numeric, e.g. 29.99)
data-product-variant optional Variant string (colour, size, SKU…)
data-quantity optional Units to add per click (default 1)

Clicking the button fires an AJAX request to cartEndpoint and updates the cart badge and sidebar automatically — no page reload.

Complete Page Example

Cart Sidebar Features

When the cart icon is clicked a slide-in panel opens with:

Feature Description
Product table Lists product name, variant, unit price, quantity, line total
Quantity controls − / + buttons and a direct input field; changes commit on blur or button press
Delete item Trash-icon button removes the line from the cart
Grand total Recalculated automatically after every change
Create Order POSTs the full cart payload as cart_payload JSON to your orderRoute
Clear cart Empties the cart in one click (with confirmation)

Handling the Order on Your Server

When the user clicks Create Order, CartOfficer POSTs a form to your orderRoute with the field cart_payload (JSON string).

Each item in $payload['items'] has:

PHP API

Cart

CartItem

CartController

Request parameters (POST body or JSON):

Action Required params
add product_id, product_name, price (+ optional product_variant, quantity)
update key, quantity
delete key
clear (none)
order (none)
get (none)

All actions return JSON:

CSRF Protection

The JS automatically reads <meta name="csrf-token" content="…"> and includes the token as _token in the order form POST. For AJAX cart operations you may add your own middleware or validate the X-Requested-With header.

Customising Styles

Override CSS custom properties in your own stylesheet:

License

MIT

All versions of cart-officer with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
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