# EasyCart - PHP Checkout System

A simple and elegant checkout system built with vanilla PHP and Stripe payment gateway integration.

## Features

- 🛒 Product checkout system
- 💳 Stripe payment integration
- 🔄 Recurring subscription billing
- ✅ Payment verification
- 📦 Order confirmation
- ❌ Subscription cancellation

## Requirements

- PHP 8.1 or higher
- Composer
- Stripe account

## Installation

### 1. Clone the repository
```bash
git clone git@github.com:yourusername/easycart.git
cd easycart

2. Install dependencies

composer install

3. Configure environment

cp .env.example .env

Edit .env file:

STRIPE_SECRET_KEY=sk_test_xxxxxxxxxx
STRIPE_PUBLIC_KEY=pk_test_xxxxxxxxxx
STRIPE_PRICE_ID=price_xxxxxxxxxx

4. Run the project

php -S localhost:8000

Visit http://localhost:8000

API Endpoints

Method	Endpoint	Description
GET	/	Home page
GET	/checkout	Checkout page
POST	/checkout	Process payment
GET	/verify-payment	Verify payment
GET	/order-confirmation	Order confirmation
GET	/success	Payment success
GET	/failure	Payment failure
POST	/cancel-subscription	Cancel subscription

Payment Types

Type	Description
One Time	Single payment
Recurring	Monthly subscription

Test Cards

Card	Number	Use
Success	4242 4242 4242 4242	Payment succeeds
Declined	4000 0000 0000 0002	Payment declined
Insufficient funds	4000 0000 0000 9995	Insufficient funds

Use any future expiry date, any 3-digit CVC, any 5-digit ZIP.

Project Structure

easycart/
├── src/
│   ├── Views/
│   │   ├── app.php
│   │   ├── checkout.php
│   │   ├── success.php
│   │   ├── failure.php
│   │   └── subscription-cancelled.php
│   └── Controller/
│       ├── PaymentController.php
│       └── InputController.php
├── assets/
│   ├── css/
│   └── js/
├── vendor/
├── .env
├── .env.example
├── composer.json
├── config.php
├── helper.php
└── index.php

License

MIT

Copy and save as `README.md` in your project root. ✅