PHP object-oriented programming-OOP technology

• Chapter1 Object-oriented programming (1)
• 1-1 Code reuse and classes and instances
• 1-2 Detailed explanation of attributes and attribute types in classes (1)
• 1-3 Detailed explanation of attributes and attribute types in classes (2)
• 1-4 Detailed explanation of member methods in classes (1)
• 1-5 Detailed explanation of member methods in classes (2)
• 1-6 Access control methods for class members
• 1-7 Detailed explanation of class inheritance and extension
• 1-8 Final members and abstract members in a class
• 1-9 Interface definition and usage
• 1-10 Interface and multi-interface inheritance (1)
• 1-11 Interface and multi-interface inheritance (2)
• 1-12 Using interfaces to implement polymorphic programming
• Chapter2 Object-oriented programming (2)
• 2-1 Trait functions and definitions
• 2-2 Trait implements code reuse (1)
• 2-3 Trait implements code reuse (2)
• 2-4 Traits implement extensions of class functions
• 2-5 Resolution of trait member naming conflicts
• 2-6 Mixed programming of traits and interfaces
• 2-7 Trait and interface practice - Shuangseqiu (1)
• 2-8 Traits and Interfaces in Practice-Shuangseqiu (2)
• 2-9 Traits and Interfaces in Practice - Shuangseqiu (3)
• 2-10 Traits and Interfaces in Practice - Shuangseqiu (4)
• Chapter3 Object-oriented programming (3)
• 3-1 The principles and practice of late static binding
• 3-2 Application scenarios of late static binding
• 3-3 Magic Method-Constructor Method
• 3-4 Property overloading-property access interceptor (1)
• 3-5 Property overloading-property access interceptor (2)
• 3-6 Method overloading-method call interceptor principle
• 3-7 Method Interceptor Practice/Database Query Constructor (1)
• 3-8 Method Interceptor Practice/Database Query Constructor (2)
• Chapter4 Object-oriented programming (4)
• 4-1 Object serialization and corresponding magic methods
• 4-2 Object serialization practice/database automatic connection
• 4-3 Object copying and cloning
• 4-4 The use of __toString() and exception classes (1)
• 4-5 The use of __toString() and exception classes (2)
• 4-6 Magical anonymous class (1)
• 4-7 Magical anonymous classes (2)
• Chapter5 Namespaces
• 5-1 How to correctly understand namespace (1)
• 5-2 How to correctly understand namespace (2)
• 5-3 Global members in the namespace
• 5-4 Access to global space members
• 5-5 Namespace alias import
• 5-6 Using namespace to implement automatic loading of classes (1)
• 5-7 Using namespace to implement automatic loading of classes (2)