"Iterator" is a scary term, but it's not so hard to understand. You already know that you can iterate (with
foreach) over an array. But what about things which are not arrays? Maybe you're dealing with a collection class, or a file reader, or a database query. How do we iterate over these sorts of things? Well, easily!
View the source for this lesson on GitHub.
Thanks so much to Jigal Sanders for the question. If the rest of you have any questions that could be answered in video-form, tweet your question and add the hash tag, #helpMeLaracasts.