August 2016
Intermediate to advanced
610 pages
11h 55m
English
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Using iterators
An iterator is a special type of class that allows you to traverse a container or list. The keyword here is traverse. What this means is that the iterator provides the means to go through a list, but it does not perform the traversal itself.
The SPL provides a rich assortment of generic and specialized iterators designed for different contexts. The ArrayIterator, for example, is designed to allow object-oriented traversal of arrays. The DirectoryIterator is designed for filesystem scanning.
Certain SPL iterators are designed to work with others, and add value. Examples include FilterIterator and LimitIterator. The former gives you the ability to remove unwanted values from the parent iterator. The latter provides a pagination capability ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.