I enjoyed your article! As you ask for new suggestions aim to innovate, i would like introduce a new field for writing new php classes.
Far form web programmin, i use my own scripts written in php to analice biological data. My ability in php code allows me to write faster than in other languages like PERL but nowadays, PHP has not the best support to achieve this proposes.
If we build a good class library for bioinformatic issues, php could become the most used language in this field due to its calc potencial and friendly code.