Nathaniel S. H. Brown - PHP vs. Ruby on Rails. An evolutionary story of a Web Developer and his tools:

"What I find in ever increasing potency is that Ruby and Ruby on Rails needs documentation like PHP. Actually, every language ever created needs documentation like PHP. It is, at least it should be, the gold standard of documentation for anyone learning a language, and could likely be construed as the single most instrumental reason why PHP has had such a significant adoption rate within the world of development."