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PHP 7 Data Structures and Algorithms

You're reading from   PHP 7 Data Structures and Algorithms Implement linked lists, stacks, and queues using PHP

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781786463890
Length 340 pages
Edition 1st Edition
Languages
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Author (1):
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Mizanur Rahman Mizanur Rahman
Author Profile Icon Mizanur Rahman
Mizanur Rahman
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Table of Contents (14) Chapters Close

Preface 1. Introduction to Data Structures and Algorithms FREE CHAPTER 2. Understanding PHP Arrays 3. Using Linked Lists 4. Constructing Stacks and Queues 5. Applying Recursive Algorithms - Recursion 6. Understanding and Implementing Trees 7. Using Sorting Algorithms 8. Exploring Search Options 9. Putting Graphs into Action 10. Understanding and Using Heaps 11. Solving Problems with Advanced Techniques 12. PHP Built-In Support for Data Structures and Algorithms 13. Functional Data Structures with PHP

Inserting, deleting, and searching for an item

So far, we have seen only the operations for inserting a node and displaying all node contents. Now, we will explore the other operations available in a linked list. We will mainly focus on the following operations:

  • Inserting at the first node
  • Searching for a node
  • Inserting before a specific node
  • Inserting after a specific node
  • Deleting the first node
  • Deleting the last node
  • Searching for and deleting one node
  • Reversing a linked list
  • Getting Nth position element

Inserting at the first node

When we add a node in the front, or head, we have to consider two simple possibilities. The list can be empty and as a result the new node is the head. This possibility is as simple as...

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