Book Image

Wordpress Development Quick Start Guide

By : Rakhitha Nimesh Ratnayake
Book Image

Wordpress Development Quick Start Guide

By: Rakhitha Nimesh Ratnayake

Overview of this book

WordPress is the most used CMS in the world and is the ideal way to share your knowledge with a large audience or build a profitable business. Getting started with WordPress development has often been a challenge for novice developers, and this book will help you find your way. This book explains the components used in WordPress development, when and where to use them, and why you should be using each component in specific scenarios. You begin by learning the basic development setup and coding standards of WordPress. Then you move into the most important aspects of the theme and plugin development process. Here you will also learn how themes and plugins fit into the website while learning about a range of techniques for extending themes and plugins. With the basics covered, we explore many of the APIs provided by WordPress and how we can leverage them to build rapid solutions. Next, we move on to look at the techniques for capturing, processing, and displaying user data when integrating third-party components into the site design. Finally, you will learn how to test and deploy your work with secure and maintainable code, while providing the best performance for end users.
Table of Contents (16 chapters)
Title Page
Copyright and Credits
Packt Upsell

The WordPress action execution process

Up to this point, we used some of the built-in actions and filters, while explaining the practical uses. However, you might be still trying to grab the concept, as it's not a practice used in pure PHP development. The process gets even tougher when coping with the lack of knowledge in the action execution process.

What is the action execution process?

WordPress has a set of built-in actions that are executed within the loading process of each and every request. Each of these actions has a sepcific responsibility in the loading process. The actions used for the loading process are executed in a predefined sequence. However, The WordPress Codex specially mentions that we shouldn't rely entirely on the loading process as it can vary based on the other components in the site.


This list may show only the first time each action is called, and in many cases no function is hooked to the action. Themes and plugins can cause actions to be called multiple times...