October 2015
Beginner to intermediate
238 pages
6h 24m
English
Content preview from Programmer's Guide to Drupal, 2nd Edition
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Chapter 1. Overview of Drupal
This chapter contains overviews of the Drupal software and open source project, how Drupal has evolved from its beginnings through the latest version (Drupal 8), how Drupal performs its core function (handling HTTP requests), the Drupal cache system, and Drupal’s automatic class loading system. You will need to be familiar with this information in order to understand and use the rest of the book, so you’ll probably want to at least skim through it, if not read it in depth.
What Is Drupal?
Depending on who you talk to, you’ll hear Drupal called a content management system (CMS) or a content management framework (CMF), a platform that you can use to build a custom CMS—and both are accurate. It can be called a CMS because after installing only the base Drupal software, you can create a basic website and manage the content online. On the other hand, it can be called a flexible CMF because most people choose to add additional modules to Drupal in order to build more complicated websites with more features, and Drupal also allows you to create fully custom modules.
Drupal is free and open source software (FOSS), governed by the GNU General Public License (GPL) version 2 (or, at your option, any later version). The licensing means that Drupal is free for you, or anyone else in the world, to download, use, and modify, as long as you comply with the license terms.
Tip
If you have never read the GPL and plan to use Drupal, you would be well advised to do so ...
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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.