This article thoroughly explains three common ways to return multiple values from PHP functions, including returning arrays, objects, and using the list keyword. Each method includes example code to help developers grasp the concepts and apply them efficiently in real projects.

This article provides a comprehensive overview of error handling in ThinkPHP5, covering how to enable debug mode, capture and manage exceptions, understand the priority of error types, and implement custom exception handlers. It helps developers debug more effectively and build more robust applications.

This article provides a detailed guide on how to analyze PHP source code within the Kali Linux system. It helps developers and security experts deeply understand PHP code logic, identify potential security risks, and offers practical steps for installing the PHP environment, line-by-line code analysis, and security vulnerability detection to enhance website security protection.

This article explores how PHP handles integers and large numbers (often referred to as "long integers"). It explains platform-specific integer ranges, important arithmetic considerations, and how to use extensions like BC Math and GMP to safely manage big numbers—helping developers write more robust and reliable PHP applications.

This article provides an in-depth guide on how to install PHP using the YUM package manager on Linux systems, along with a detailed analysis of the PHP directory structure and key configuration files after installation. It helps developers quickly master PHP environment setup to improve development and deployment efficiency.

This article provides a detailed introduction to commonly used PHP null checking functions isset(), empty(), and is_null(), along with code examples to help developers understand how to correctly determine if a variable is null or unset, improving the robustness and maintainability of PHP code.

This article provides a detailed guide on building a PHP-based attendance tracking system for enterprises. It covers database design, user authentication, time record management, and system optimization to help developers efficiently implement attendance features for HR systems.

When downloading files with PHP Edge, filename corruption is a common problem. This article introduces several simple and effective solutions, including using urlencode, mb_convert_encoding functions, and the filename* parameter in Content-Disposition to help developers quickly fix filename corruption issues.

This article provides a detailed introduction to common PHP pseudo protocols, including file://, http://, ftp://, and data://. It also analyzes their usage principles and potential security risks. Additionally, it offers suggestions for developers on how to prevent security issues related to pseudo protocols.

This article explains how to use PHP and the phpSpider tool to scrape review data from e-commerce websites. It covers steps including environment setup, tool installation, crawler script creation, scraping rules configuration, and more, helping developers quickly implement web data scraping.

This article provides a detailed guide on how to use PHP to build a framework for calling Kuaishou's API, covering SDK integration, user authentication, parameter configuration, and actual API requests to help developers efficiently access Kuaishou data.

Floating-point operations in PHP often suffer from precision errors, especially in contexts like financial or quantity calculations. This article dives into how PHP represents floats, common pitfalls with floating-point arithmetic, and practical solutions including integer-based calculations and the BCMath extension for high-precision results.

This article provides a detailed explanation of how to use PHP’s built-in function array_search() to find the index of a specific value in an array. It includes the function syntax, example code, and important notes to help you quickly master practical PHP array searching techniques.

This article provides a detailed comparison of the three major web development technologies—ASP, JSP, and PHP—highlighting their advantages and disadvantages to help developers choose the most suitable solution based on project requirements, platform compatibility, and development efficiency, thereby improving website quality and security.

This article explains how to implement a custom PHP function assign() to batch assign variables to templates, supporting an additional parameter extra for extended data injection. With detailed examples and complete code, it helps developers separate business data from view templates efficiently, improving front-end and back-end collaboration. Ideal for daily development and lightweight template systems.

This article explores the encoding and conversion methods used in PHP GET requests. It covers common encoding formats, how to use urlencode and urldecode, and how to convert between character sets using mb_convert_encoding. With practical code examples, it helps developers avoid common issues such as garbled characters or data loss when working with GET requests.

This article explains the common causes of 502 Bad Gateway errors when using PHP-FPM and provides detailed solutions. Topics include process crashes, misconfigured pools, timeout issues, Nginx proxy settings, and server resource limits—helping developers quickly troubleshoot and resolve the problem.

This article thoroughly analyzes common causes for PHP not running after installation on Linux and provides detailed troubleshooting and solutions. It covers PHP installation verification, configuration file inspection, PHP module setup for Apache and Nginx servers, and error log review, helping developers quickly identify and resolve issues to restore normal PHP operation.

This article provides a detailed guide on how to implement an efficient image upload feature using PHP and JavaScript. It covers backend file handling, frontend validation, and offers practical development tips and best practices to help developers build a professional upload module.

This guide walks you through the most common causes and solutions for PHP not parsing on CentOS, including PHP installation verification, configuration checks, web server settings, and file permission management, helping system admins resolve PHP execution errors efficiently.