Reverse dependencies for php4r

Latest version of the following gems require php4r

Gem	Version	Date	Downloads
knjrbfw +398 Thousand Downloads	`0.0.116` July 11, 2023	July 11, 2023	398 Thousand
hayabusa +89.2 Thousand Downloads	`0.0.30` May 13, 2022	May 13, 2022	89.2 Thousand
knjappserver +81.8 Thousand Downloads	`0.0.30` August 03, 2012	August 03, 2012	81.8 Thousand
args-handler +17.9 Thousand Downloads	`0.0.2` May 28, 2013	May 28, 2013	17.9 Thousand
rails-server +4.7 Thousand Downloads	`0.0.0` June 25, 2013	June 25, 2013	4.7 Thousand