A list of amazingly awesome PHP libraries, resources and shiny things.
|* If you have two sets of collections, which you would previously have used a nested foreach to do something to each unique|
|* combination of items, you can use this macro to get it done instead!|
|* It will return a collection of tuples that represent the combination of the two collections. If you'd like to add keys to the tuple|
|* you can pass that in as an optional second argument!|