Learn

You may start with one of the Object Oriented PHP tutorials or by practicing.

Object Oriented PHP tutorials

Practice | Tutorials

Classes and objects

Take the first steps by learning about classes, objects, methods, and properties.

Learn how to use the class's own properties and methods from within the class with the $this keyword.

Learn how to chain your class's methods and properties to create much more streaming code.

Learn how to restrict the access to your classes code by using the private and protected access modifiers.

Learn how to write a constructor method without risking an error and how to use magic constants.

Learn how to reduce code duplication with inheritance, one of the most important concepts in object-oriented programming.

Learn how to commit child classes to certain methods with abstract classes and methods.

Learn another way to commit the child classes to abstract methods that they should implement.

Learn about the Polymorphism naming convention that can help us write a much more coherent and easy to use code.

Type hinting forces our functions to get only arguments that belong to a specific class, a specific interface, or to arrays.