I read about the PHP Implementation of LINQ called PHPLinq. Frankly, I was skeptical about it. Finally, I gave it a try. I still remain skeptical...Let me explain why
He includes an example of a query on an array and how it's "less correct" than a more true to form LINQ implementation. Despite reservations though, he still feels that this implementation of LINQ for PHP has some "cool features" in its own right and it worth checking out.