This is a test of using https://github.com/zserge/webview via FFI that is introduced in PHP 7.4.
The docker method is recommended as this involves building PHP from source.
docker build -t php-webview-ffi .
docker run --rm -it -v $(pwd):/app -e DISPLAY=host.docker.internal:0 php-webview-ffi bash
If you want to build it without docker, the Dockerfile is pretty readable and
should give you a clue as to what is required. Also note that opcache and FFI
need to be enabled and preloading preload.php in order for the extension to be
registered. See the opcache and ffi sections in config/php.ini for the
settings I'm using. More info on FFI can be found here:
https://www.php.net/manual/en/ffi.examples-complete.php