Home Backend Development PHP Tutorial 10 recommended articles about construct

10 recommended articles about construct

Jun 13, 2017 am 10:42 AM

When you see this name, it gives you a very high-end feeling. Yes, magic methods are indeed advanced. So, what is a magic method? In PHP, methods starting with two underscores are called "Magic methods". For example, the __construct(), __destruct (), __clone() mentioned before, and __call(),,__get(), __set(),__sleep(), __wakeup(), __toString(), __autoload(), etc., They are all magic methods. If you want PHP to call these magic methods, they must first be defined in the class, otherwise PHP will not execute uncreated magic methods. Note: The magic method is set in PHP, so you cannot create it yourself. You can only use what already exists in PHP, otherwise an error will be reported. Below we will introduce the commonly used magic methods among many magic methods. The function of __get() is: __get(): When reading the value of an inaccessible attribute (private, protected, does not exist), p

1. 10 about the sleep() function Recommended article

10 recommended articles about construct

## Introduction: When you see this name, do you have a very high-end feeling? Yes, magic methods are indeed advanced. So, what is a magic method? In PHP, methods starting with two underscores are called "Magic methods". For example, __construct(), __destruct (), __clone(), and __call(),,__get(), __set(),__sleep(), __wakeup(), __toS...

2. About _construct() method instance summary

10 recommended articles about construct

## Introduction: This article mainly introduces the difference between the constructor _construct() and _initialize() of the class in ThinkPHP. The introduction in the article is very detailed. I believe it has certain reference value for everyone. Friends who need it can take a look below. Bar. Preface I believe that PHPers who are familiar with THINKPHP are basically familiar with the _initialize() method. It seems that we rarely use _construct() unless we write a plug-in ourselves, otherwise it is really rarely used. Looking at the code today, I suddenly saw _construc...

3.

Detailed introduction to _initialize()

10 recommended articles about construct

Introduction: This article mainly introduces the difference between the constructor _construct() and _initialize() of the class in ThinkPHP. The introduction in the article is very detailed. I believe it will be helpful to you. It has certain reference value for everyone. Friends who need it can come and take a look below. Preface I believe that PHPers who are familiar with THINKPHP are basically familiar with the _initialize() method. It seems that we rarely use _construct() unless we write a plug-in ourselves, otherwise it is really rarely used. Looking at the code today, I suddenly saw _construc...

4.

php Summary of usage of constant() function instances

10 recommended articles about construct

#Introduction: When you see this name, you have a very high-end feeling. Yes, magic methods are indeed advanced. So, what is a magic method? In PHP, methods starting with two underscores are called "Magic methods". For example, __construct(), __destruct (), __clone(), and __call(),,__get(), __set(),__sleep(), __wakeup(), __toS...

5.

Recommended 10 articles about the php __construct() function

Introduction: When you see this name, do you feel weird? Premium feel. Yes, magic methods are indeed advanced. So, what is a magic method? In PHP, methods starting with two underscores are called "Magic methods". For example, __construct(), __destruct (), __clone(), and __call(),,__get(), __set(),__sleep(), __wakeup(), __toS...

6.

Summary of usage examples of array_udiff function in php

10 recommended articles about construct

简介:PHP函数 array_udiff 函数使用中遇到的问题解决<?php// array_udiff()class Obj{ private $code = 0; public function construct($code) { $this->code = in...

7. int函数如何使用?python中int函数用法总结

10 recommended articles about construct

简介:英文文档:class int(x=0) class int(x, base=10)Return an integer object constructed from a number or string x, or return 0 if no arguments are given. If x is a number, return x.__int__(). For floating point...

8. 关于php sleep()函数的10篇文章推荐

10 recommended articles about construct

简介:看到这个名字,是不是有种很高级的感觉。没错,魔术方法确实很高级。那么,什么是魔术方法呢?在PHP中以两个下划线开头的方法,被称为"魔术方法"(Magic methods)。比如之前讲过的__construct(), __destruct (), __clone(),以及__call(),,__get(), __set(),__sleep(), __wakeup(), __toS...

9. 有关php array_udiff()函数的文章推荐10篇

10 recommended articles about construct

简介:PHP函数 array_udiff 函数使用中遇到的问题解决<?php// array_udiff()class Obj{ private $code = 0; public function construct($code) { $this->code = in...

10. 细数Java中创建对象的方式

10 recommended articles about construct

简介:Java的开发者们每天创建很多对象,但是通常使用依赖注入的方式管理系统,比如:Spring去创建对象,然而这里有很多创建对象的方法:使用New关键字、使用Class类的newInstance方法、使用Constructor类的newInstance方法、使用Clone方法、使用反序列化。

【相关问答推荐】:

javascript - $.fn.pluginName.Constructor = xxx 在Constructor 是用作干什么的 构造器不是小写吗?

php 闭包的作用

构造函数不可以私有化吗?

javascript - js中原型prototype被重写后到底是怎么回事

javascript - 理解原型模式

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Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Explain JSON Web Tokens (JWT) and their use case in PHP APIs. Apr 05, 2025 am 12:04 AM

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

How does session hijacking work and how can you mitigate it in PHP? How does session hijacking work and how can you mitigate it in PHP? Apr 06, 2025 am 12:02 AM

Session hijacking can be achieved through the following steps: 1. Obtain the session ID, 2. Use the session ID, 3. Keep the session active. The methods to prevent session hijacking in PHP include: 1. Use the session_regenerate_id() function to regenerate the session ID, 2. Store session data through the database, 3. Ensure that all session data is transmitted through HTTPS.

What are Enumerations (Enums) in PHP 8.1? What are Enumerations (Enums) in PHP 8.1? Apr 03, 2025 am 12:05 AM

The enumeration function in PHP8.1 enhances the clarity and type safety of the code by defining named constants. 1) Enumerations can be integers, strings or objects, improving code readability and type safety. 2) Enumeration is based on class and supports object-oriented features such as traversal and reflection. 3) Enumeration can be used for comparison and assignment to ensure type safety. 4) Enumeration supports adding methods to implement complex logic. 5) Strict type checking and error handling can avoid common errors. 6) Enumeration reduces magic value and improves maintainability, but pay attention to performance optimization.

Describe the SOLID principles and how they apply to PHP development. Describe the SOLID principles and how they apply to PHP development. Apr 03, 2025 am 12:04 AM

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Explain late static binding in PHP (static::). Explain late static binding in PHP (static::). Apr 03, 2025 am 12:04 AM

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What is REST API design principles? What is REST API design principles? Apr 04, 2025 am 12:01 AM

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How do you handle exceptions effectively in PHP (try, catch, finally, throw)? How do you handle exceptions effectively in PHP (try, catch, finally, throw)? Apr 05, 2025 am 12:03 AM

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What are anonymous classes in PHP and when might you use them? What are anonymous classes in PHP and when might you use them? Apr 04, 2025 am 12:02 AM

The main function of anonymous classes in PHP is to create one-time objects. 1. Anonymous classes allow classes without names to be directly defined in the code, which is suitable for temporary requirements. 2. They can inherit classes or implement interfaces to increase flexibility. 3. Pay attention to performance and code readability when using it, and avoid repeatedly defining the same anonymous classes.

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