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  • Book Overview & Buying Learning PHP 7
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Learning PHP 7

Learning PHP 7

By : Antonio L Zapata (GBP)
3.4 (10)
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Learning PHP 7

Learning PHP 7

3.4 (10)
By: Antonio L Zapata (GBP)

Overview of this book

PHP is a great language for building web applications. It is essentially a server-side scripting language that is also used for general purpose programming. PHP 7 is the latest version with a host of new features, and it provides major backwards-compatibility breaks. This book begins with the fundamentals of PHP programming by covering the basic concepts such as variables, functions, class, and objects. You will set up PHP server on your machine and learn to read and write procedural PHP code. After getting an understanding of OOP as a paradigm, you will execute MySQL queries on your database. Moving on, you will find out how to use MVC to create applications from scratch and add tests. Then, you will build REST APIs and perform behavioral tests on your applications. By the end of the book, you will have the skills required to read and write files, debug, test, and work with MySQL.
Table of Contents (12 chapters)
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11
Index

C for controller


It is finally time for the director of the orchestra. Controllers represent the layer in our application that, given a request, talks to the models and builds the views. They act like the manager of a team: they decide what resources to use depending on the situation.

As we stated when explaining models, it is sometimes difficult to decide if some piece of logic should go into the controller or the model. At the end of the day, MVC is a pattern, like a recipe that guides you, rather than an exact algorithm that you need to follow step by step. There will be scenarios where the answer is not straightforward, so it will be up to you; in these cases, just try to be consistent. The following are some common scenarios that might be difficult to localize:

  • The request points to a path that we do not support. This scenario is already covered in our application, and it is the router that should take care of it, not the controller.

  • The request tries to access an element that does not...

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Learning PHP 7
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