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Object-Oriented Programming in PHP

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.

Intermediate

78 Lessons

Certificate of Completion

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

94 Playgrounds

17 Challenges

9 Quizzes

Course Overview

What You'll Learn

Course Content

Apply Your Skills

Course Overview

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 propert...Show More

What You'll Learn

A strong understanding of the object-oriented programming paradigm

Familiarity with objects, classes, methods, and properties for server-side web scripting

Expertise in applying object-oriented programming techniques to PHP web applications

Hands-on experience in building and maintaining a PHP database using object-oriented principles

A strong understanding of the object-oriented programming paradigm

Course Content

Introduction

3 Lessons

Get familiar with OOP in PHP, key concepts, and practical coding exercises.

Overview of the Course

Who Is This Course For?

Why Study This Course?

Classes and Objects

6 Lessons

Look at OOP principles, class creation, object instantiation, methods addition, and practical exercises.

Introduction to OOP Class

Creating Objects From a Class

Adding Methods in a Class

Quiz: Classes and Objects

Challenge: Classes and Objects

Solution Review: Classes and Objects

Using the $this Keyword for Chaining Methods and Properties

7 Lessons

Work your way through using the $this keyword for accessing class properties and chaining methods.

Introduction to the $this Keyword

Chaining Methods and Properties

Quiz: Using the $this Keyword for Chaining Methods and Properties

Challenge: The $this Keyword

Solution Review: $this Keyword

Challenge: Chaining Methods and Properties

Solution Review: Chaining Methods and Properties

Access Modifiers

5 Lessons

Enhance your skills in managing PHP access modifiers for secure and controlled data access.

Access Modifiers: Public vs Private

Why Do We Need Access Modifiers?

Quiz: Access Modifiers

Challenge: Access Modifiers

Solution Review: Access Modifiers

Magic Methods and Constants Unveiled

4 Lessons

Take a closer look at PHP's magic methods for dynamic initialization and contextual information.

The construct() Magic Method

Magic Constants

Challenge: Magic Method

Solution Review: Magic Method

Inheritance in Object-oriented Programming

6 Lessons

Focus on inheritance concepts, protected modifiers, method overriding, and practical implementation challenges.

Introduction to Inheritance

The Protected Access Control Modifier

Method Overriding and the final Keyword

Quiz: Inheritance

Challenge: Inheritance

Solution Review: Inheritance

Abstract Classes and Interfaces

9 Lessons

Master the use and distinctions of abstract classes and interfaces in PHP with practical examples.

Introduction to Abstract Classes and Methods

Creating Child Classes from an Abstract Class

Introduction to Interfaces

Interfaces vs. Abstract Classes

Quiz: Abstract Classes and Interfaces

Challenge: Abstract Classes and Methods

Solution Review: Abstract Classes and Methods

Challenge: Interfaces

Solution Review: Interfaces

Polymorphism and Type Hinting

9 Lessons

Learn how to use polymorphism and type hinting to enhance PHP code efficiency.

Introduction and Implementation of Polymorphism

Type Hinting

Limitations of Type Hinting for Objects

Type Hinting for Interfaces

Quiz: Polymorphism & Type Hinting

Challenge: Polymorphism

Solution Review: Polymorphism

Challenge: Type Hinting

Solution Review: Type Hinting

Static Methods & Properties and Traits

6 Lessons

Unpack the core of static methods, properties, traits, and their practical implementations.

Introduction to Static Methods and Properties

Traits and Code Inclusion

Differences between Traits and Inheritance

Quiz: Static Methods & Properties and Traits

Challenge: Static Methods & Properties and Traits

Solution Review: Static Methods & Properties and Traits

10.

Namespaces & Dependency Injection

6 Lessons

Master the steps to enhance code clarity, flexibility, and maintainability using namespaces and dependency injection.

Namespaces and Code Integration

Dependency Injection

Type Hinting and Dependency Injection

Quiz: Namespaces

Challenge: Dependency Injection

Solution Review: Dependency Injection

11.

Exception Handling

5 Lessons

Enhance your skills in managing errors and exceptions in PHP effectively and gracefully.

Exceptions and How to Handle Them

Some More Methods to Handle Exceptions

Quiz: Exception Handling

Challenge: Exception Handling

Solution Review: Exception Handling

12.

PHP Database

7 Lessons

Solve problems in PHP database operations using PDO for CRUD and user management.

PDO - PHP Database Extension

Inserting Data into the Database

Reading Data from the Database

Updating Data in the Database

Deleting Records from the Database

Challenge: PHP Database

Solution Review: PHP Database

13.

Model-view-controller (MVC)

2 Lessons

Tackle organizing and maintaining PHP code using the MVC design pattern.

MVC and Code Organization

MVC Example

14.

Conclusion

1 Lessons

Build on the principles of object-oriented PHP to enhance real-world application development.

What Have We Learned?

15.

Appendix

2 Lessons

Learn how to use Packagist, Composer, and autoloading to streamline PHP development.

How to Use Packagist and Composer

Autoloading PHP Classes the Composer Way

Course Author

Joseph Benharosh

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