Gain insights into object-oriented programming in PHP. Discover classes, objects, methods, inheritance, and more. Build dynamic server-side applications using OOP techniques and PHP database management.

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Object-oriented programming is perhaps the dominant development paradigm for leading languages including Java, C#, and Python. The rich class and inheritance framework wasn’t fully implemented in modern PHP until 2015, and best practices for object-oriented programming are still emerging.

This course is an introduction to object-oriented programming in PHP. You’ll start with the basics of the OOP paradigm and get familiar with classes, objects, methods, and properties. You’ll then chain methods and properties using the this keyword before working with access modifiers and magic methods. With these basics down, you’ll take a deep dive into object-oriented programming in PHP, including inheritance, abstraction, polymorphism, and namespaces. After exploring exception handling, you’ll use these object-oriented techniques to build, manage, and edit a PHP database.

By the end of this course, you’ll be prepared to build dynamic server-side applications using object-oriented programming in PHP.

Object-Oriented Programming in PHP

**PDO (PHP Data Objects)** is a PHP extension through which we can access and work with databases. Though PDO is similar in many aspects to MySQLi, it is better to work with because of the following reasons:

* It is consistent across databases, so it can work with MySQL as well as other types of databases (SQLite, Oracle, PostgreSQL, and others).
* It is object-oriented at its core.
* It is better protected against hackers.

We'll find recipes for the four basic functions that we perform with the database: 
* Insertion
* Selection
* Update
* Deletion 

The recipes are intended to work with MySQL, but PDO can easily be used with other types of databases.

Learn about the PDO extension, connecting with MySQL database, and creating a table through PDO.

Introduction

Classes and Objects

Using the $this Keyword for Chaining Methods and Properties

Access Modifiers

Magic Methods and Constants Unveiled

Inheritance in Object-oriented Programming

Abstract Classes and Interfaces

Polymorphism and Type Hinting

Static Methods & Properties and Traits

Namespaces & Dependency Injection

Exception Handling

PHP Database

Model-view-controller (MVC)

Conclusion

Appendix

PDO - PHP Database Extension