Useful or not, from you.
vscode Is it possible to use wsl bash php for php.validate.executablePath

Can Someone Clarify to me if i can use my php in WSL ?

That's a useful answer
Without any help

See some details about developing in WSL here: https://code.visualstudio.com/docs/remote/wsl

In that scenario, that setting would be the path to PHP on the WSL side.