This article explains how to get and set the timezone in PHP using the date_default_timezone_get() and date_default_timezone_set() functions. It includes sample code and important notes to help developers correctly manage timezones in PHP applications.

This article provides a complete guide to custom PHP PDO MySQL installation through source compilation, covering environment preparation, source download, compilation, extension configuration, and connection testing, suitable for users on various systems.

This article provides a comprehensive guide on using PHP to implement task scheduling and distribution in a Linux environment, including cron jobs and SSH remote execution examples, helping developers efficiently manage server tasks.

This article explains how to generate bulk QR codes using PHP. It introduces the required library, provides a complete code example, and explains each step in detail. Ideal for developers who need QR codes in e-commerce, ticketing, or event systems.

This article explains the importance of PHP code testing in performance optimization, covering both performance and unit testing methods. By using tools like microtime, benchmarking utilities, and PHPUnit, developers can identify bottlenecks and improve execution efficiency.

This article provides an in-depth comparison between PHP frameworks and Scala frameworks in terms of functional programming and scalability, exploring their advantages and real-world applications to help developers choose the right tech stack for their projects.

This article introduces the applications of artificial intelligence in PHP, including natural language processing, machine learning, computer vision, speech recognition, and decision support. It also lists commonly used PHP AI tools and libraries to help developers integrate AI into their projects more effectively.

This article provides a comprehensive overview of common PHP built-in functions, including type conversion, string handling, array operations, mathematical calculations, and date/time processing. It also includes a practical example of validating user input with PHP.

This article provides a detailed guide on developing a lottery function using PHP, including database setup, PHP code implementation, and front-end page design, with complete code examples to help developers easily build a lottery system.

This article explains how to implement form validation in a CMS system using Python, including the principles of form validation, Django implementation, handling in views, and displaying errors in templates, helping developers ensure data security and integrity.

This article shares a girl's experience learning PHP, from starting as a beginner and facing challenges with functions and arrays, to gaining skills, confidence, and growth, with practical code examples to support learning.

PHP is a popular open-source web development language, adopted by many well-known companies such as Facebook, WordPress, and Wikipedia. This article explores how these companies use PHP to build efficient platforms.

This article lists well-known websites and platforms built with PHP, including social media, CMS, e-commerce, news portals, education, and government sites. It also explains why PHP remains one of the most popular web development languages.

This article explains how to apply dimensionality reduction and feature extraction in machine learning with PHP. It covers data preprocessing, PCA implementation, and feature selection techniques, complete with PHP code examples to improve data analysis and model training efficiency.

This article explains the key differences between PHP print_r and var_dump, including output format, depth limit, recursion handling, and usage scenarios, helping developers choose the right debugging tool.

This article explains the role and usage of include_once in PHP, highlighting its advantages such as preventing duplicate file inclusion, improving performance, and extending functionality, with example code for better understanding.

This article introduces PHP8's strict parameter types, named arguments, match statement, and improved error handling to help developers write more robust and maintainable code.

This article provides a comprehensive overview of PHP SPL data structures, including stacks, queues, fixed arrays, and hash tables, helping developers optimize code efficiency, readability, and scalability.

This article provides a detailed guide on how to integrate Baidu Smart Q&A API using PHP, including API key acquisition, environment setup, code implementation, and example calls to help developers quickly add intelligent Q&A functionality.

This article explains how to use PHP Cloud Transcoding CMS to efficiently upload, transcode, and download videos, providing practical methods and code examples to optimize video processing experience.