PayPal Integration in PHP & MYSQL

The PayPal provides various ways to send and receive money online, you can directly send money to your friend or family member and you can also make payment to several services on the internet by using PayPal.
It is also most popular online payment gateway, use to accept payments through web and mobile applications.
PayPal offers several ways to Integrate PayPal Payment Gateway to your website, some of them are listed below:
1. PayPal Payments Standard
2. Checkout
3. Subscriptions & Recurring Payments
4. PayPal Invoicing
5. Payouts
I will focus on PayPal Payments Standard, as it is the most easiest way to integrate PayPal payment using PHP. So lets start integration of PayPal payment standards in PHP.
PHP CRUD Operations to access database and perform all database related operations using class dbclass.php.
Steps to Integration PayPal Payment Gateway using PHP I will follow the below steps to integrate PayPal payment gateway on my website using PHP.
1. Create a Database, Tables and Dump Sample Data 2. Create a config.php File & Make Necessary Changes 3. Create an index.php File & Display Some Products to Buy 4. Create a notify.php File, Handle IPN & Insert Payment Record in DB 5. Create a cancel.php File 6. Create a return.php File 7. Create a style.css File