Atom / VSC - code completion

I personaly use Atom as my text editor, in office we use PHPStorm it almost done everything with minimal configuration.

in atom:
code completion: I use to configure atom's snippet

format on save: php-cs would do but for me atom linter is better together with its sub package (php-lint, js-lint, etc). psr standards is configurable in xml file (ruleset.xml by default). I use to put my ruleset outside the project directory to make it my global coding standards.

- navigation: I think it is what you call "go to definition" if im not mistaken, its built in on phpstorm I forgot if I installed it in atom but I got what I want on both editor.

God Bless CI Contributors