Psalm is a static analysis tool that attempts to dig into your program and find as many type-related bugs as possible.
https://github.com/vimeo/psalm
https://psalm.dev/
Most of them are from running 'composer psalm' and 'composer format' on the code.
https://psalm.dev/docs/running_psalm/language_server/
https://github.com/sublimelsp/LSP
https://psalm.dev/docs/running_psalm/installation/
https://github.com/vimeo/psalm
https://medium.com/@ondrejmirtes/three-pillars-of-static-analysis-in-php-f3f5d7bfd61b
https://github.com/sublimelsp/LSP
https://psalm.dev/docs/running_psalm/language_server/
https://github.com/phpstan/phpstan
https://phpstan.org/user-guide/getting-started
https://github.com/exakat/php-static-analysis-tools