Found a total of 10000 related content
Demystifying foreach Behavior with Public vs. Private Object Properties
Article Introduction：Foreach only accesses public attributes when traversing objects in PHP; 2. Protected and private attributes are not visible, even if you use foreach($thisas...) inside the class; 3. To customize the traversal behavior, you can implement the Iterator or IteratorAggregate interface; 4. To check the properties that include private and protected, you need to use the Reflection class; 5.get_object_vars() also only returns the public attributes under the current scope. Therefore, foreach's behavior is the embodiment of PHP encapsulation characteristics, and non-public attributes will not be traversed.
2025-08-04
comment 0
324
How do abstract classes differ from interfaces in PHP, and when would you use each?
Article Introduction：Abstract classes and interfaces have their own uses in PHP. 1. Abstract classes are used to share code, support constructors and control access, and include abstract methods and concrete methods. 2. The interface is used to define behavior contracts. All methods must be implemented and are public by default, and support multiple inheritance. 3. Since PHP8, the interface can contain default methods to implement, but there is still no constructor or state. 4. When using abstract classes, you need to encapsulate implementation details; when using interfaces, you need to define cross-class behavior or build plug-in systems. 5. Can be used in combination: abstract classes implement interfaces or combine multiple interfaces into one abstract class. Select whether the structure plus sharing behavior (abstract class) or only the structure (interface).
2025-06-04
comment 0
1143
How to build a content payment platform through PHP How to implement PHP paid reading system
Article Introduction：To build a PHP content payment platform, it is necessary to build a user management, content management, payment and permission control system. First, establish a user authentication system and use JWT to achieve lightweight authentication; second, design the backend management interface and database fields to manage paid content; third, integrate Alipay or WeChat payment and ensure process security; fourth, control user access rights through session or cookies. Choosing the Laravel framework can improve development efficiency, use watermarks and user management to prevent content theft, optimize performance requires coordinated improvement of code, database, cache and server configuration, and clear policies must be formulated and malicious behaviors must be prevented.
2025-07-25
comment 0
416
How to use PHP to build a payment system to monetize PHP payment interface docking process
Article Introduction：Choose a payment platform based on user portrait. WeChat Pay is suitable for users in the WeChat ecosystem, and Alipay is suitable for mature consumer groups and PC-side large-scale payments; 2. Registering a merchant account to obtain AppID, MCHID, API keys and other qualifications is the prerequisite; 3. Using the official PHPSDK integrated interface can simplify development and improve security; 4. The PHP backend generates orders and initiates prepayment requests, and the front end calls for payment based on the returned data; 5. Asynchronous callbacks are the final basis for successful payment, and signatures, IP whitelists, SSL encryption transmission must be verified and idempotence must be realized to prevent repeated processing; 6. Timeout orders are closed through timed tasks, refunds must be called to the API and handled multiple states, reconciliation needs to be regularly compared with the platform flow and system orders to ensure the consistency of funds, and the entire flow
2025-07-25
comment 0
751
What are H5 games?
Article Introduction：H5 games are web games developed based on HTML5 technology and can be run directly in the browser without downloading and installing. It has the characteristics of cross-platform, instant play, and strong social communication. It is suitable for fragmented time entertainment and is commonly found in WeChat public accounts, WeChat Moments advertising, mini program jump pages and other scenarios. The H5 game can be recognized through its opening method, including web page links, interface with advertisements or return buttons, prompts to share with friends to continue playing, etc. Although its complexity and fluency are not as complex as native apps, H5 games still have a place in the mobile terminal due to their convenience and communication.
2025-07-13
comment 0
626
What are PSR Standards and Why Are They Important in PHP?
Article Introduction：PSR is a PHP standard recommendation, formulated by the PHP framework interoperability group, aiming to improve code consistency, readability and cross-frame compatibility. Common standards include: 1. Basic PSR-1 specifications, such as labels and naming conventions; 2. PSR-4 automatic loading standards, defining class and path mapping; 3. PSR-12 extended coding style, refined format rules; 4. PSR-3 log interface, supporting log library replacement; 5. PSR-7 HTTP message interface, convenient for middleware and API development. Its value is reflected in improving multi-project collaboration efficiency, enhancing tool support, simplifying integration, and improving code expertise. Application methods include using Composer to configure PSR-4, automatically format code with the help of tools, and manually following PSR
2025-07-10
comment 0
318
One-click deployment of a PHP environment: Tool recommendations and tutorials
Article Introduction：One-click deployment refers to the use of pre-packaged software to complete the installation and configuration of the development environment with minimal user input, which is especially suitable for beginners or to quickly establish a local development environment. Common PHP one-click deployment tools include XAMPP (cross-platform), WAMP (Windows), MAMP (macOS), and Laragon (lightweight and support multiple PHP versions). Taking XAMPP as an example, the settings are to download the installation package, select component installation, start Apache and MySQL services, and access localhost through the browser to test whether the environment is successful. Put the PHP file into the htdocs folder and execute it. Laragon provides a more modern interface, supporting the rapid creation of virtual hosts and
2025-06-28
comment 0
759
How does dependency injection improve code testability and maintainability in PHP?
Article Introduction：Dependency injection (DI) makes PHP code easier to test and maintain by reducing tight coupling between components. Its core advantages include: 1. Simplify unit testing, allowing injection of simulated objects to replace real services, avoid side effects, and improve testing speed and reliability; 2. Promote loose coupling, making the class dependency interface rather than concrete implementation, making it easier to independently modify and expand components; 3. Improve reusability and configuration flexibility. The same class can achieve diversified behavior by injecting different dependencies in different contexts, such as the development, production and testing environments using different logging methods. In addition, modern PHP frameworks such as Symfony and Laravel built-in DI containers further simplify the implementation of object management and dependency injection.
2025-06-04
comment 0
584
Describe the SOLID principles and how they apply to PHP development.
Article Introduction：The application of SOLID principle in PHP development includes: 1. Single responsibility principle (SRP): Each class is responsible for only one function. 2. Open and close principle (OCP): Changes are achieved through extension rather than modification. 3. Lisch's Substitution Principle (LSP): Subclasses can replace base classes without affecting program accuracy. 4. Interface isolation principle (ISP): Use fine-grained interfaces to avoid dependencies and unused methods. 5. Dependency inversion principle (DIP): High and low-level modules rely on abstraction and are implemented through dependency injection.
2025-04-03
comment 0
1230
PHP creates a content search platform to monetize PHP full text search and keyword matching
Article Introduction：Use PHP to create a monetizable content search platform, and Elasticsearch is the first choice to achieve efficient and accurate retrieval; 2. The core process includes data collection, index construction, search interface development, result display, and advertising/paid content integration; 3. Improve relevance requires combining word segmentation optimization, synonym expansion, fuzzy matching and field weighting; 4. Intelligent sorting depends on correlation scores, time freshness and user behavior data; 5. The monetization path can be selected for context advertising, sponsored content, affiliate marketing, paid functions or data API services, and it needs to be flexibly combined according to the platform positioning to achieve commercial value.
2025-07-25
comment 0
202
Dave The Diver: How To Catch Spider Crabs
Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10
comment 0
903
Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
comment 0
1516
Soft Deletes in Databases: To Use or Not to Use?
Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...
2025-01-10
comment 0
1115
