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Course Introduction：Efficient Way to Filter Files by Extension in PHPQuerying a directory for a specific list of files based on extension can be a common task in PHP development. As mentioned in the question, using scandir() will retrieve every file in a directory, whic

2024-10-18 comment 0  1142

Course Introduction：I'm having a tricky problem when developing a PHP project that handles file uploads: How to map the MIME type of a file with its extension exactly? This problem not only affects the identification of files, but also leads to confusion in data processing. After trying multiple methods, I found the fileeye/mimemap library, which not only solved my problem, but also greatly improved the processing efficiency.

2025-04-17 comment 0  1072

Course Introduction：The PHP Client URL (cURL) extension is a powerful tool for developers, enabling seamless interaction with remote servers and REST APIs. By leveraging libcurl, a well-respected multi-protocol file transfer library, PHP cURL facilitates efficient execution of various network protocols, including HTTP, HTTPS, and FTP. This extension offers granular control over HTTP requests, supports multiple concurrent operations, and provides built-in security features.

2025-03-14 comment 0  990

Course Introduction：I encountered a common but difficult problem when developing a user registration and logging into a system: how to effectively prevent robots from automatically registering and logging in. I tried multiple verification methods, but it didn't work well until I discovered this powerful PHP verification code library of lsmverify/lsmverify. By using Composer to install and configure this library, I successfully implemented efficient verification code function in the project, greatly improving the security of the system.

2025-04-18 comment 0  304

Course Introduction：Using the MySQL Extension: A Guide to Safe and Efficient CodeThe MySQL extension in PHP provides a powerful tool for interacting with MySQL...

2024-12-19 comment 0  1096

Course Elementary  13776

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82285

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13145

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24591

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27450

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.