Payment gateway integration script built in PHP. It provides a facility to integrate payment gateways
  PayPal and Stripe. A solution to integrate these payment gateways into your PHP application in minimum time.

 Using this script you can manage the many payment gateways using one codebase. Also you can use these payment gateways in shopping cart, Invoice billing, bill payments like other e-commerce website as per your convenience.

Checkout with client-side and server-side process using PHP library and JavaScript API, custom checkout that allows you to trigger Checkout with any JavaScript event or HTML element.

Display product details with a Pay Now button.
Create a checkout session with the API and redirect to Checkout.
Redirect back to the site with the session ID.
Verify the transaction and enter the payment details into the database.