> Lists of implements MAY be split across multiple lines, where each subsequent line is indented once. When doing so, the first item in the list MUST be on the next line, and there MUST be only one interface per line. https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md#41-extends-and-implements
Folders that exist have a redirect loop when visiting them. This is because Apache redirects to trailing slash for folders and the current rule is removing it, Apache then adds a trailing slash again.