Challenge: Data Handling Using the PDO Extension and Abstract Methods
Explore how to implement strict typing and abstract methods in traits while performing mathematical operations in PHP 8. Learn to use the PDO extension to query databases, fetch data as associative arrays, and map results into objects. This lesson helps you master data retrieval and manipulation following PHP 8 best practices.
We'll cover the following...
We'll cover the following...
Task 1
The code should follow strict typing.
Implement a class that implements the abstract method of the trait that performs addition.
Define a trait that will be used in another class. This trait should contain two methods:
The first method is an abstract method representing a generic mathematical operation.
The other is not abstract and is implemented within the trait. It should be a wrapper around the first method. ...