Detailed explanation of the use of range parsing operator (::)-PHP development basics, classes and objects-php.cn

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PHP development basics, classes and objects

Chapter1 Access to classes and class members
1-1 Class declaration and instantiation techniques
1-2 Knowledge of class attributes and class constants
1-3 Class automatic loading technology
1-4 Access restriction and encapsulation technology of class members
Chapter2 static keyword and overloading technology
2-1 Class inheritance and code reuse
2-2 Detailed explanation of the use of range parsing operator (::)
2-3 Detailed explanation of static keyword
2-4 Late static binding technology
2-5 Overloading techniques for attributes and methods in classes
Chapter3 Namespace full contact
3-1 Detailed explanation of Trait characteristic technology
3-2 First introduction to namespaces
3-3 How to declare multiple namespaces in one script
3-4 How to import an external namespace

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