Chainer

It eases functional style programming, as well as including a set of functions for data analysis.

Here are some key features of "Chainer":

· Implements itself as an array (allows for $chain0)
· Implements itself as an Iterator (allows for foreach)
· Supports chaining any class that implements Iterator
· Supports PHP5+ (Recommended 5.3+)
· Side-effect free, each call returns a new instance.
· Supports static calling syntax

Requirements:

· PHP 5 or higher