Introduction to object-oriented programming ideas

Basic concepts of object-oriented

$this keyword in method

Use OOP to complete the registration process

Construction method

Destructor method

Object passing by value and cloning

MySQLDB class preliminary

Yesterday review 1

Static members - static properties

Static members - static methods

class constant

Automatic loading mechanism of class files

Serialization and deserialization of objects

Class inheritance

override rewrite

Yesterday review 2

access control modifier

Improve the encapsulation and functionality of the MySQLDB class

final final class and final method

abstract abstract class

interfaceinterface

Introduction to overload

Attribute overloading (Part 1)

Property overloading (Part 2)

Method overloading

Yesterday's review

Magic methods and magic constants

late static binding

Singleton pattern

Singleton mode of MySQLDB class

Factory pattern

General traversal of objects

Custom traversal of objects

type constraints

Related functions of classes and objects

Namespace preliminary

Space members and subspaces

Space member access

Space introduction

global space