Most reputable repositories on GitHub follow a "Client-Server" architecture: 1. The Licensing Server
Allows you to revoke access if a refund is issued or a subscription expires. Core Components of a GitHub-Based License System php license key system github
Support for lifetime, annual, or trial licenses. php license key system github
Never rely on a simple true/false check. Better systems use Public/Private Key Encryption (RSA) . The server signs the response with a private key, and your product verifies that signature with a public key. This prevents users from "faking" a successful response by editing their local hosts file. The Limitations of PHP Licensing php license key system github