Being an online store owner, you can integrate PayPal in PHP applications within minutes. You can accept payments via plugins, addons, extensions, or manually via the framework-based applications. With PayPal Integrated in PHP application, you can also find built-in PHP libraries and composer packages to cut short your development time.
Payment Gateway Integration in PHP – A Quick Checklist
I will go into the details of PayPal Integration in PHP payment gateway, but here is a quick list of steps that you need to take to set up PayPal for your PHP applications
Start by getting a PayPal developer account and get sandbox credentials. This is essential for testing out the integration.
Create the proper directory structure for the integration.
Start by creating the Payment.php file