Book on OOP in PHP8

Basics

Introduction Classes and Objects Properties Methods Method Parameters Properties Inside Classes Methods Inside Classes Constructor Properties via Constructor Parameters Private Properties Private Methods Property Getters Property Setters Advantages of Setters and Getters

Advanced

Class Files Method Chains in a Class A Class as a Set of Methods Arrays of Objects Objects Inside Classes The Safe Extraction Operator The Safe Extraction Operator in Chains Object Manipulation in Classes Pass by Reference The instanceof Operator

Inheritance

Class Inheritance Inheritance of Public Methods Child Methods Overriding Parent Methods Calling an Overridden Method Constructor in Inheritance Private Methods in Inheritance Private Properties in Inheritance The Problem of Private Properties in Inheritance Protected Methods Protected Properties The instanceof Operator and Inheritance

Calls

Property Name from a Variable Property Name from an Array Property Name from an Associative Array Property Name from a Function Property Name from an Object Method from a Variable Call After Creation

Static

Static Methods Static Methods Inside a Class Static Properties Static Property Inside a Class Access via Class and Object Combination with static Static Methods and $this Example

Functions

Getting the Class Name Getting Class Methods Getting Class Properties Getting Object Properties Checking for Class Existence Checking for Method Existence Checking for Property Existence Getting the Parent Class Checking Class Inheritance Checking Object Belonging Getting All Declared Classes

Abstract

Abstract Classes Abstract Methods

Interfaces

Introduction to Interfaces Practice on Using Interfaces Interface Naming Rules Using Interfaces Method Parameters in an Interface Constructor Declaration in an Interface Inheritance of Interfaces from Each Other Interfaces and instanceof Implementation of Multiple Interfaces Class Inheritance and Interface Implementation Constants in Interfaces Functions for Interfaces

Traits

Introduction to Traits Multiple Traits Method Conflicts Access Modifiers Changing Access Rights to Trait Methods Method Priority Abstract Methods Traits in Traits Functions for Traits

Magic

Introduction The __toString Method Getting Properties Read-Only Properties Reading a Non-Existent Property Setting Properties Writing to a Non-Existent Property Checking Properties on Write Practice

Namespaces and Autoloading

Introduction to Namespaces Namespace Syntax Namespace Subspaces Simplified Access Namespaces in Files Relative Paths in Namespace The use Command Connecting Multiple Classes The use Command and Relative Paths Class Aliases Standard Class Autoloading Autoloading Rules Custom Class Autoloading

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