PHP Tutorials — Object Oriented Programming

A class is the ability to allow you to create your own data types within a programming language. The difference between a Class and a Object is the same as saying what the different between a Dog and a certain breed of dog. A Dog is a generic term and can be applied to lots of different breeds.

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In this tutorial, we will be writing a PHP class that will fetch, cache, and display your favorite tweets in a beautiful CSS3 interface.

This tutorial introduces you to object-oriented programming in PHP. You'll explore the basics of object-oriented programming, and learn how to write simple object-oriented PHP scripts.

Learn how to use Classes and OOP in PHP programming language

Writing unit tests for your code provides reassurance that changes you make won’t introduce new bugs. Chris walks us through using PHPUnit to write unit tests for PHP applications.

Even though PHP is a weakly typed language, with a bit of modification you can easily enforce complex, customizable type hinting constructs. This tutorial goes through creating and implementing this method for forcing PHP to be strongly typed.

Some examples of what happens when comparing objects in PHP 5.3

In this two-part tutorial, we will be creating an AJAX Web Chat using PHP, MySQL and jQuery. In this first part, we will be discussing the PHP & MySQL backend.

So just what are class constructors, and how can they be used within PHP classes / OOP programming? When a PHP class is first called, the class will automatically run the class constructor function, which can help automatically configure the class. This can be useful if you need to preset some instance variables, sessions or cookies – prior to using the class methods.