Summary of definition and usage of range resolution functions

Object-oriented programming will use some of its own operators, such as ->, this symbol is used to access its own members in the object. The other one is the range resolution operator: two colons connected together (::). This notation is used to access members within a class (not within an object). The usage is as follows: ClassName::methodName(); ClassName::propertyName; This structure may be used in two places: 1. When using a class, when the parent class and the subclass have the same properties and methods, use it to avoid confusion. 2. When outside the class, use this operator to access members of the class without creating an object. Just as we can use $this in a class to refer to the current object instance, the keyword self is used as a reference to the current class. class SomeClass { function construct() {  

1. Sample code sharing of PHP using range parsing operator

##Introduction: Object-oriented programming will use some of its own operators, such as ->, this symbol is used to access its own members in the object. The other one is the range resolution operator: two colons connected together (::). This notation is used to access members within a class (not within an object). The usage method is as follows: ClassName::methodName();ClassName::propertyName; This structure may be used in two places: 1. When using a class, when the parent class and the subclass have the same properties and methods, use It can

2. php range parsing operator (::)

Introduction: The range resolution operator (also known as Paamayim Nekudotayim) or more simply a pair of colons can be used to access static members, class constants, and can also be used to override variables in a class Properties and methods. When referencing these items outside the class definition, use the class name.

3. Range parsing operator (::)

Introduction::This article mainly introduces range Parsing operator (::), students who are interested in PHP tutorials can refer to it.

4. Object-oriented thinking PHP object-oriented concept

Introduction: Object-oriented thinking: Object-oriented thinking PHP oriented Object concept: keywords and special variables new, class, extends. Everyone knows these three. ::, the range resolution operator (also known as Paamayim Nekudotayim) or more simply a pair of colons, can be used to access static members, methods and constants. Can also be used to override members and methods in a class. parent and self. parent refers to the name of the base class pointed to by the derived class in the extends declaration. Doing this avoids using the base class name in multiple places. $this pseudo variable. $

5. Third party liability insurance compensation scope PHP range analysis operator:: Meaning analysis explanation

Introduction: Third-party liability insurance compensation scope: Third-party liability insurance compensation scope Scope analysis of PHP operator:: Meaning analysis explanation: I saw several symbols related to PHP today. One is @, which is added in front of a variable to suppress the PHP interpreter from reporting errors, which means that even if an error occurs, it will not be displayed. There is also a more important symbol PHP's scope resolution operator (::) which is useful for accessing functions in a class or functions and variables in a base class without declaring any instances. And the :: operator is used in this case. Copy the code as follows:

6. Basic Accounting Exercises and Case Answers PHP Basics: Classes and Objects 4 Range resolution operator::

Introduction: Basic accounting exercises and case answers: Basic accounting exercises and case answers PHP basic knowledge: Classes and objects 4 Range resolution operator::: Range resolution operator (also known as Paamayim Nekudotayim) or more Simply put, it is a pair of colons, which can be used to access static members, methods and constants, and can also be used to access members and methods in overridden classes. When accessing these static members, methods, and constants from outside the class, the class name must be used. Paamayim Nekudotayim means double colon in Hebrew. Use the :: operator class MyClass { const CONS

7 outside the class. Basic knowledge of php: Classes and objects (4) Range resolution operator (::)_PHP Tutorial

Introduction: PHP basic knowledge: classes and objects (4) range resolution operator (::). The scope resolution operator (also known as PaamayimNekudotayim) or more simply a pair of colons can be used to access static members, methods and constants, and can also be used to access overridden classes

8. The meaning analysis explanation of PHP’s range parsing operator (::)_PHP tutorial

Introduction: PHP’s range parsing operator (:) :) meaning analysis explanation. I saw several symbols related to PHP today. One is @, which is added in front of a variable to suppress the PHP interpreter from reporting errors, which means that even if an error occurs, it will not be displayed. There is another

9. PHP object-oriented concept_PHP tutorial

Introduction: PHP object-oriented concept. Keywords and special variables new, class, extends. Everyone knows these three. ::, the range resolution operator (also known as Paamayim Nekudotayim) or more simply a pair of colons, can

10. php basics: classes and objects (4) Range resolution operator (::)

Introduction: PHP basic knowledge: classes and objects (4) Range resolution operator (::). The scope resolution operator (also known as PaamayimNekudotayim) or more simply a pair of colons can be used to access static members, methods and constants, and can also be used to access overridden classes

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