Article Introduction：In-depth understanding of the memento pattern in PHP object-oriented programming 1. Introduction The memento pattern is a common design pattern and is widely used in object-oriented programming. Its purpose is to provide a way to capture the internal state of an object and be able to later restore it to a previously saved state. This is useful in certain situations, such as when we need to rollback an operation, or when we need to implement undo and redo functionality. PHP is a widely used scripting language, and the memo mode is also very commonly used in PHP.

2023-08-12 comment 0  962

Article Introduction：A singleton mode Mysql operation class encapsulated by PHP plays an important role in PHP. This article will explain its related knowledge in detail.

2018-06-08 comment 0  1870

Article Introduction：In the previous article "In-depth Analysis of the Builder Pattern in PHP" we introduced the builder pattern in PHP. This article will take you to understand the memo pattern in the PHP design pattern.

2021-07-20 comment 0  2228

Article Introduction：这篇文章主要介绍了一个非常完美的读写ini格式的PHP配置类分享,本文给出类代码、使用例子和配置文件例子,需要的朋友可以参考下

2016-05-31 comment 0  921

Article Introduction：PHP设计模式——备忘录模式。PHP设计模式——备忘录模式 备忘录模式又叫做快照模式或Token模式，在不破坏封闭的前提下，捕获一个对象的内部状态，并在该对象之外保

2016-06-13 comment 0  1002

Article Introduction：PHP design patterns include: 1. Singleton mode, which ensures that a class has only one instantiated object; 2. Factory mode, which encapsulates the instantiation process of the object in a factory class; 3. Abstract factory mode, which is similar to a factory Pattern of creating objects; 4. Observer pattern, realizing one-to-many dependencies between objects; 5. Adapter pattern, converting the interface of one class into the interface of another class; 6. Decorator pattern, dynamically Add some additional functions to an object; 7. Iterator pattern; 8. Strategy pattern; 9. Template method pattern, etc.

2023-07-25 comment 0  3940

Article Introduction：Introduction to performance testing and optimization of singleton mode in PHP: Singleton mode is a common design pattern that is used to ensure that a class can only generate one instance. In PHP, the singleton mode can help us avoid instantiating a class multiple times, thereby improving program performance. This article will introduce how to test and optimize the singleton pattern in PHP and provide specific code examples. Introduction to the Singleton Pattern The singleton pattern is a creational design pattern whose goal is to ensure that a class has only one instance and provide a global access point to that instance. In PHP,

2023-10-15 comment 0  942

Article Introduction：Explore the template pattern in PHP object-oriented programming. In PHP object-oriented programming, the template pattern is an important design pattern. It allows developers to define the framework of an algorithm and offload some steps to subclasses while keeping the overall structure of the algorithm unchanged. This article will introduce the basic concepts and usage of the template pattern, and illustrate its application in PHP through an example. The basic concept of the template pattern is to define an abstract class that contains an algorithm framework, in which some specific methods are implemented by subclasses. In this way, algorithmic

2023-08-10 comment 0  791

Article Introduction：How to achieve object polymorphism through the PHP object-oriented simple factory pattern. The simple factory pattern is a common design pattern that can create objects of different types through a common factory class and hide the object creation process. PHP object-oriented simple factory pattern can help us achieve object polymorphism. The simple factory pattern contains three basic roles: factory class, abstract class and concrete class. First we define an abstract class Animal, which contains an abstract method say(): abstractclas

2023-09-05 comment 0  795

Article Introduction：Best Practices for PHP Singleton ClassesThe Singleton design pattern provides a means to ensure that only one instance of a class exists within an...

2024-11-12 comment 0  619

Article Introduction：How to use PHP7's anonymous class to implement a more flexible singleton mode? The singleton pattern is a commonly used design pattern that ensures that a class has only one instance and provides a global access point. In PHP, implementing the singleton pattern usually uses static variables and methods to ensure that only one instance is created. However, in PHP7, we can use anonymous classes to implement a more flexible singleton pattern, making the code simpler and easier to maintain. In previous versions of PHP, the singleton pattern was usually implemented through a private constructor and a static

2023-10-20 comment 0  1456

Article Introduction：How to implement a simple singleton design pattern using PHP7's anonymous class? In PHP development, the singleton design pattern is widely used in scenarios where it is necessary to ensure that only one instance of a class exists. The anonymous classes introduced in PHP7 make it easier and more elegant to implement the singleton pattern. This article will introduce how to use PHP7's anonymous classes to implement a simple singleton design pattern, and provide specific code examples. In traditional PHP development, using the singleton design pattern usually creates a class named Singleton, which only allows the creation of one

2023-10-19 comment 0  841

Article Introduction：The applicable scenarios and limitations of the single-column mode in PHP development require specific code examples. Title: The applicable scenarios and limitations of the single-column mode in PHP development. Summary: The single-column mode is a commonly used design pattern that is used to limit the instantiation of a certain class. times and provide a global access interface. This article will introduce the applicable scenarios, implementation methods and limitations of single column mode in PHP development, and provide specific code examples. Introduction The singleton pattern is a creational design pattern that ensures that a class has only one instance and provides a global access point. in PHP

2023-10-15 comment 0  899

Article Introduction：Flexible application and encapsulation practice of singleton pattern in PHP Introduction: Singleton pattern is a common design pattern that is used to ensure that a class can only create one instance and provide global access. In PHP, the singleton mode is very practical, especially when sharing resources, data caching, etc. are required. This article will introduce the application scenarios of the singleton pattern in PHP and provide detailed code examples. 1. What is the singleton pattern? The singleton pattern is a creational design pattern. Its core idea is to ensure that a class can only create one instance and provide a global access

2023-10-15 comment 0  1316

Article Introduction：Essential Java framework design patterns: Singleton pattern: ensures that a class is instantiated only once and provides a global access point. Factory Pattern: Responsible for creating objects, allowing the use of different types of objects without changing the code. Strategy pattern: Defines a family of algorithms and allows selection of specific algorithms. Decorator Pattern: Dynamically extends object functionality without modifying the original object. Proxy pattern: Provide an object to act as a proxy for another object, controlling access to the original object or enhancing its functionality.

2024-06-05 comment 0  396

Article Introduction：php中的观察者模式简单实例，php观察者实例。php中的观察者模式简单实例，php观察者实例 观察者模式是设计模式中比较常见的一个模式，包含两个或者更多的互相交互的类。这一模式允

2016-06-13 comment 0  1124

Article Introduction：There are three most common ones: simple factory pattern, factory method pattern and abstract factory pattern. Detailed explanation: 1. Simple factory pattern: The most basic factory pattern, which creates objects through a factory class. The client passes a simple parameter to the factory class, and the factory class decides which type of object to create based on this parameter. The simple factory pattern usually only includes one factory class and multiple product classes; 2. Factory method pattern: The factory method pattern defines an interface for creating objects, but delays the specific creation work to subclasses, etc.

2023-12-27 comment 0  1757

Article Introduction：In the previous article "Let's talk about the memo mode in PHP", we introduced the memo mode in PHP. The following article will take you to understand the bridge mode in PHP design pattern.

2021-07-21 comment 0  2934

Article Introduction：A variety of PHP design patterns can be applied in IoT development, including: Observer pattern: realizes communication between sensors and applications. Singleton mode: Ensure that there is only one instance of the global configuration object or cache service. Factory Method Pattern: Create different types of sensors or devices.

2024-05-07 comment 0  555

Article Introduction：Constructor Prototype Pattern 原型模式（PHP示例），prototypepattern。Constructor Prototype Pattern 原型模式（PHP示例），prototypepattern 当一个类大部分都是相同的只有部分是不同的时候，如果需要大量这个类的对象

2016-06-13 comment 0  1585