I am not in active PHP development anymore. Is "chmod 777" still as common in installation instructions as it was a decade ago? Have we learned nothing at all a

I am not in active PHP development anymore. Is "chmod 777" still as common in installation instructions as it was a decade ago? Have we learned nothing at all about security? > Set the ‘TMP’ and ‘conf’ folders to chmod 777 (on *nix systems) or to writable permission (on Windows systems)