May 2017
Intermediate to advanced
340 pages
8h 16m
English
Content preview from PHP 7 Data Structures and Algorithms
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Doubly linked list
A doubly linked list is a special type of linked list where we not only store what is the next node, but we also store the previous node inside the node structure. As a result, it can move forward and backward within the list. It gives more flexibility than a single linked list or linked list by having both the previous and next pointers. We are going to explore more about these in Chapter 3, Using Linked Lists. The following diagram depicts a doubly linked list:
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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.