This is a short smug entry, written in the "Yeah, well I liked them before they even had a record deal" style associated with trend snobs. Except in this case, its the opposite, I am claiming that I hated something back when it was cool. Thanks to blogging my opinion earlier, I even have proof! PHP should stand for Pretty Huge Problem.
He mentions some of the rants, langauge switchers, and general complaints that have come up about PHP, including the combination of code and HTML, the "safe mode" feature, and PHP's "battered on" nature of development. He also goes off a bit on the (inevitable) backlash that Rails and Ajax will see in the future, and wonders how far off it will be.