PHP - Classes and objects


A class is defined by the keyword class followed by a valid class name.

To create an object, use the keyword new followed by the name of the class.

We assign the instance to a variable:


     class Book { 

     class Customer { 

     $book = new Book(); 
     $customer = new Customer(); 

You can create many instances, as long as you assign them to different variables:

$book1 = new Book(); 
$book2 = new Book(); 

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