When I update MacOS Monterey, PHP was remove.
I found this article it useful and solve this problem for me.
https://wpbeaches.com/updating-to-php-versions-7-4-and-8-on-macos-12-monterey
Add the PHP formulae
brew tap shivammathur/php
Choose the PHP version – this example uses 7.4
brew install shivammathur/php/php@7.4
Link the PHP Version
brew link --overwrite --force php@7.4
Restart the Terminal
php -v