Before: runtime ale_linters/php/phpcs.vim After: call ale#linter#Reset() Execute(phpcs errors should be handled): AssertEqual \ [ \ { \ 'lnum': 18, \ 'col': 3, \ 'type': 'E', \ 'sub_type': 'style', \ 'text': 'Line indented incorrectly; expected 4 spaces, found 2 (Generic.WhiteSpace.ScopeIndent.IncorrectExact)', \ }], \ ale_linters#php#phpcs#Handle(bufnr(''), [ \ '/path/to/some-filename.php:18:3: error - Line indented incorrectly; expected 4 spaces, found 2 (Generic.WhiteSpace.ScopeIndent.IncorrectExact)', \ ])