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This tutorial will guide you on how to use PHP and the GMP library to calculate the factorial of a large number modulo M. With GMP's support for high-precision arithmetic, we can handle large number calculations efficiently, avoiding memory overflow and long computation times. The tutorial includes a code example and basic calculation steps, making it ideal for developers with a foundational knowledge of PHP.

This article explains the PHP basename() function in detail, demonstrating how to use it to extract the filename from a file path. With several code examples, readers can quickly understand how to use the basename() function and apply it in real-world programming scenarios. This function is highly useful in file operations, file uploads, and URL processing.

This article introduces how to use PHP and Swoole to achieve efficient real-time data synchronization and update. Through the WebSocket protocol and front-end JavaScript code, multiple users can send and receive data in real time. The article provides a complete code example and explains how to build a simple WebSocket chat room to improve PHP concurrency performance and real-time communication capabilities.

This article introduces how to use PHP and Swoole to build a high-performance network security protection system. We will discuss how to configure the Swoole extension, set up a TCP server, implement IP whitelist filtering, log recording, and more, to optimize network communication and enhance security, providing stronger protection for your website.

HTTP request hijacking is a common network attack method, where attackers manipulate data packets or use man-in-the-middle attacks to steal sensitive information. This article will explain how to use PHP data filtering functions, such as escaping special characters, verifying request sources, and encrypting data, to effectively prevent HTTP request hijacking and ensure user data security.

This article explains how to use PHP and the GMP library to perform big number subtraction. By installing the GMP extension, initializing big numbers, and using the gmp_sub() function, you can avoid overflow and precision loss, making it easy to perform big number subtraction. The article provides detailed code examples to help developers handle arbitrary large numbers accurately.

This article provides a detailed guide on how to implement user authentication and authorization with PHP functions to enhance the security of your web application. Through password hashing functions and database queries, it shows how to verify user identity, assign user roles, and restrict access based on roles. Whether using pure PHP code or integrating frameworks and libraries, this article provides practical examples suited for various development needs.

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This article provides a detailed explanation of how to use PHP's "strtotime" function to parse English text date and time into UNIX timestamps. With example code, you will learn how to handle various date formats and relative time expressions, improving your ability to handle time data in web development.

This article introduces how to use PHP to develop a rating and review management system for an e-commerce platform. With example code, it explains how to design the database, display rating and review information on the front-end, and handle user-submitted ratings and reviews.

This article introduces how to use PHP for text classification and natural language processing, helping developers efficiently handle text data in practical applications. By using PHP's TextClassifier and Symmetrica libraries, it provides detailed code examples, enabling readers to master basic text classification and NLP techniques and apply them in real-world projects.

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This article explains how to handle JSON format date and time data in PHP and MySQL. Using PHP's <code data-start="305" data-end="320">json_encode()</code> and <code data-start="325" data-end="340">json_decode()</code> functions, developers can easily convert date and time data to JSON format and process it. Additionally, we will explore methods of handling JSON data in MySQL, particularly how to extract and store date-time data.

This article provides a comprehensive guide on using the Workerman framework to build a distributed game server system based on PHP and Unity3D. Ideal for developers creating high-concurrency, stable online multiplayer games, it includes full code examples and setup instructions.

This article provides a detailed guide on how to use PHP to communicate with Modbus TCP devices and implement data reading, filtering, and intelligent analysis for holding registers. Through practical code examples, it helps developers efficiently build data processing logic in industrial automation systems.

This guide teaches you how to use PHP to develop flexible data cleanup functionality for SuiteCRM, helping you accurately remove outdated or unnecessary data to keep your CRM database clean and efficient. Complete examples of database operations are included, making it suitable for developers and system administrators alike.

This article offers a comprehensive guide on how to use JSON data in PHP, including converting arrays to JSON strings, parsing JSON into arrays, and real-world use cases for frontend-backend communication. It helps developers manage data formats more efficiently.

This article provides a comprehensive guide on implementing data backup and recovery using PHP and Redis, covering both RDB and AOF methods. It's designed for developers and DevOps professionals who need reliable data protection solutions.