April 2014
Intermediate to advanced
462 pages
10h 48m
English
Content preview from Building Web Apps with WordPressBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. PHP Libraries, External APIs, and Web Services
Most programming languages, including PHP, have modularized collections of code, classes, and functions. These collections are usually referred to as a code library or extension. Don’t recreate the wheel. There are PHP libraries that exist to perform very specific functionality that can be easily used to extend the applications you are building.
Most of WordPress is written in PHP, which means as a WordPress developer, you can utilize any PHP libraries available to you or even build your own! Check out the PHP.net Function Reference for an organized list of some PHP libraries.
An application programmable interface, or API, can be part of an application in which you have access to the source code, like the various WordPress APIs covered in this book. But an API can also enable you to use an application or service in which you don’t have direct access to the source code. Many web-based applications and services offer some kind of API for accessing or manipulating their data from your application.
The WordPress plugin repository has more than a few plugins that interact with various web services, so any time you are looking for custom WordPress functionality, you might want to start at the WordPress plugin repository. Of course, if you don’t find exactly what you are looking for in a plugin, you may need to write your own custom plugin or piggyback off of an existing one.
We mentioned GitHub more than a few times, but it is a great ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.