Chapter 1.  Create a User Profile System and use the Null Coalesce Operator

To begin this chapter, let's check out the new null coalesce in PHP 7. We'll also learn how to build a simple profiles page with listed users that you can click on, and create a simple CRUD-like system which will enable us to register new users to the system and delete users for banning purposes.

We'll learn to use the PHP 7 null coalesce operator so that we can show data if there is any, or just display a simple message if there isn't any.

Let's create a simple UserProfile class. The ability to create classes has been available since PHP 5.

A class in PHP starts with the word class, and the name of the class:

class UserProfile { 
 
  private $table = 'user_profiles'; 
  
} 
 
} 

We've ...

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