10 recommended articles about attribute assignment

The role of __set(): __set(): When assigning a value to an inaccessible attribute (private, protected, does not exist), PHP will execute the __set() method. We said above that the function of __set() is: when assigning a value to an inaccessible attribute (private, protected, does not exist), PHP will execute the __set() method. What does this mean? For example, let's take the above example as an example. We replaced the peaches that monkeys like to eat with bananas, but according to the rules, the keyword in front of $food is protected and cannot be accessed directly, but we need to assign a value to $food. What should we do? name = $name; $this

1. Summary of the definition and usage of magic methods

## Introduction: The role of __set(): __set(): When assigning a value to an inaccessible attribute (private, protected, does not exist), PHP will execute the __set() method. We said above that the function of __set() is: when assigning a value to an inaccessible attribute (private, protected, does not exist), PHP will execute the __set() method. What does this mean? For example, let's take the above example as an example. We replaced the peaches that monkeys like to eat with bananas, but according to the rules, the precedence of $food...

2. Detailed explanation of magic method __set() examples ( PHP object-oriented advanced tutorial)

##Introduction: The role of __set(): __set(): When an inaccessible attribute is assigned a value (private, protected, does not exist), PHP will execute the __set() method. Above we said that the function of __set() is: when assigning a value to an inaccessible attribute (private, protected, does not exist), PHP will execute the __set() method.

3.

Introduction to the basic usage of property decorators in Python

Introduction: Python's @property decorator is used to turn a class method into a class property call, and then @property itself creates another decorator to assign a value to the property with a method. The following is to set the read-write attributes, read-only and write-only attributes of the class after using @property in the class. The all method sets a read-write attribute. You can set this attribute or read this attribute, as shown in line 28. If the __init__() method is not defined, you can only use this attribute after setting it first. In line 32, if you want to know the value of the write attribute, an error will also be reported. And in line 34, there is no way to continue assigning readonly to this

4.

C# Can reflection be used to assign values ​​to read-only properties?

Introduction: The specific implementation is in the subclass: ReflectPropertyDescriptor, find ReflectPropertyDescriptor from Microsoft source code And SetValue

5.

php magic method in-depth understanding of php magic php magic method in php

Introduction: PHP Magic method: PHP In-depth understanding of magic method: Summary: When tracing the source code of the Yii framework, I encountered the use of the __set() magic method and was a little confused, so I wrote a demo to test it, and I discovered the mystery, which is summarized as follows. 1. Let’s first take a look at how the magic method __set() is used in the book. The purpose of using the __set() magic method is to assign values ​​to private properties outside the object and cannot obtain the value of the private property. Function prototype: void __set(string name,mixed value) Write a demo: classCMod

6.

PHP magic method __GET, __SET usage examples, __get__set_PHP tutorial

Introduction : PHP magic methods __GET, __SET usage examples, __get__set. PHP magic methods __GET, __SET usage examples, __get__set __get() - __get() will be called when reading the value of an inaccessible attribute. __set() - When assigning a value to an inaccessible property, __set() will be

7. In-depth methods of C# classes

Introduction: Constructor example1: static void Main( string [] args){ SE engineer = new SE(); engineer.Age = 25; enginner.Name = Ai Biancheng; // Omit other attribute assignment operations Console.WriteLine(engineer.SayHi()); } We know that to use the attributes and methods of the class, we must first Instantiate the class,

8. PHP OOP Private Property Assignment Confusion

Introduction: PHP OOP Private Property Assignment confusion

9. PHP class and object code description

Introduction: PHP class and object code description 1. Define and create classes and objects: Use the class keyword to define a class. For example: class class name {//properties and methods} uses the new keyword to create an object. For example: $p1 = new class name;, multiple objects can be created based on one class. 2. Class attribute value (1) In addition to declaring attributes in a class, you can also assign values ​​to attributes, but you can only assign constant values ​​to attributes in the following forms: Example 1: public $l

10. PHP OOP Confused about Private Property Assignment

Introduction: PHP OOP Confused about Private Property Assignment Recently I found that it is called when assigning a value to a private variable in a class If the function is used, an error will be reported and no explanation can be given. I am a newbie in OOP, can you please explain? class Test extends Controller { //Test private

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