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PHP has PSR-1, PSR-2 and now the updated PSR-12: https://www.php-fig.org/psr/psr-12/
I refuse to believe that people use a php style guide. I have yet to open a php file in the course of any job that doesn’t mix tabs and spaces arbitrarily on top of numerous other horrors.
Luckily it’s not often that I have to, so sample size may play in a bit…