This documentation is specific to the PHP SDK use only and contains information about installation, samples, set up different configurations, and advanced settings.

Requirements:

• Requests should be made from a public IP address.  
• Version 5.4.8 of PHP or later required. 
• The URL_Notify should be an SSL-enabled address only, i.e. it must start with "https://". Unsecured URLs will be treated as wrong and transactions will be reversed by the system.
• Upon HTTP request, the Merchant should respond with header HTTP 200 OK with the following body content: “OK”. Every other response will be treated as a communication error, call error, server error or system malfunctions.

The sample code includes all the documentation related to the PHP SDK.

Here are a few quick links to get you there faster:

• Documentation
• Download SDK  // GitHub

NOTE: If you are using composer. 

composer require developermypos/mypos-checkout-sdk