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Learn the concepts and techniques of Object-Oriented Programming with these OOP tutorials. Learn how to use classes and objects to create efficient, clean code.

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Object-Oriented Programming in WordPress: Functions and Attributes

Tutorial • Beginner

As we continue our discussion of object-oriented programming within the context of WordPress, it's time for us to begin talking about actual features of...

Tom McFarlin • 18 Apr 2014
OOP

Object-Oriented Programming in WordPress: Control Structures I

Tutorial • Beginner

WordPress is a powerful CMS that provides a flexible foundation on which to build both sites and applications. If you want to extend WordPress functionality,...

Tom McFarlin • 6 Apr 2014
OOP

OOP in PHP With Tests

Course • Intermediate

Object Oriented Programming is one of the most frequently used paradigms today. Test Driven Development allows us to build applications with the guidance...

Patkos Csaba • 28 Mar 2014
OOP

Object-Oriented Programming in WordPress: Types

Tutorial • Beginner

In the last post, we took a look at classes which are the building blocks of object-oriented programming. Before we go any further, we need to take a survey...

Tom McFarlin • 20 Mar 2014
OOP

Object-Oriented Programming in WordPress: Classes

Tutorial • Beginner

Classes are the foundation of object-oriented programming. For some, the concept is simple; for others, not so much. In this article, we're going to continue...

Tom McFarlin • 14 Mar 2014
OOP

Object-Oriented Programming in WordPress: An Introduction

Tutorial • Beginner

One of the most flexible aspects of WordPress is that it supports both procedural and object-oriented programming paradigms. In this series, we're going to...

Tom McFarlin • 7 Mar 2014
OOP

Detecting Code Smells

Course • Advanced

So your code is showing a few flaws, but not enough to be considered a bug. You might have a code smell in the works. But what is a code smell and how do...

Patkos Csaba • 5 Nov 2013
OOP

Dates and Time - The OOP Way

Tutorial • Beginner

The Date/Time PHP extension is a set of classes that allow you to work with almost all of the date and time related tasks. It's been available since the...

Sahan H • 23 Oct 2013
OOP

From Procedural to Object Oriented PHP

Tutorial • Intermediate

This tutorial was inspired by a speech given by Robert C. Martin that I watched a year or so ago. The main subject of his talk is about the possibility of...

Patkos Csaba • 21 Jun 2013
OOP

Two Ways to Develop WordPress Plugins: Object-Oriented Programming

Tutorial • Beginner

When it comes to writing WordPress plugins, there are generally two ways to go about doing so: Object-Oriented Programming and Functional Programming (with...

Tom McFarlin • 15 Nov 2012
OOP

Python from Scratch: Object Oriented Programming

Tutorial • Beginner

Welcome back to lesson four in our Python from Scratch series. This tutorial will assume some prior knowledge of variables, data types, functions and...

Giles Lavelle • 24 Aug 2011
OOP

Ruby for Newbies: Working with Classes

Tutorial • Beginner

Ruby is a one of the most popular languages used on the web. We’ve recently started a new screencast series here on Nettuts+ that will introduce you to Ruby,...

Andrew Burgess • 6 Nov 2010