Evolt has a new article posted today with a good sized listing of PHP tips the author's learned from experience.

There is more than one way to achieve the same result when programming in PHP. There are many shortcuts I wish someone had explained to me when I began learning the language. (One would assume that is what those $49.99 books are for, but apparently there are only written to bewilder the reader into buying another book.)

He talks about adding variables (strings and integers), single versus double quotes, control structures, working with true/false, and jumping in and out of PHP. They're a bit random, but they can be helpful to people looking for that cleaner, simpler way to get the job done...