This guide walks you through configuring PHP 8.3 with FileMaker Server 21 on Windows, covering installation, IIS FastCGI setup, essential php.ini adjustments, environment variables, and testing with the AirMoi PHP FileMaker API https://github.com/airmoi/FileMaker

By following these steps, you’ll enable robust custom web publishing capabilities, optimized for compatibility and security.

You can read the full blog post here: https://axelar.eu/hacking-filemaker-server-21-on-windows-to-use-php-8/