Alternatives to 3v4l.org - Similar Sites & Competitors
Online PHP editor | Test code in 250+ PHP versions
Test and compare your PHP code online across 250+ PHP versions. Instantly see output, stats, and compatibility for any script, right in your browser.
Run PHP code in 250+ versions online instantly
3v4l.org is a handy online tool for anyone working with PHP. You can write or paste your PHP code, then run it instantly across more than 250 PHP versions—no setup or installation required. This makes it easy to check compatibility, debug scripts, and see how your code behaves in different environments.
The site gives you immediate feedback, showing output, performance stats, and even detailed analysis like VLD output. Whether you're a developer troubleshooting legacy code, learning PHP, or experimenting with new features, 3v4l.org helps you quickly test and compare results across all supported PHP versions.
It's a great resource for PHP developers who want to ensure their code works everywhere, or for anyone who wants to experiment and learn in a simple, browser-based environment.
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Notepad++ is a free source code editor and Notepad replacement for Windows, supporting multiple programming languages and easy text editing.
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Compiler Explorer lets you write code in languages like Rust, C++, and Go, and instantly see the compiled assembly output online for learning or analysis.
BBEdit is a fast, professional text and code editor for macOS, offering powerful tools and productivity features for developers and writers.
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Worldwide 3v4l.org Alternatives
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Kate is a modern, feature-rich text editor for editing and viewing multiple files at once, with tabs, split views, and powerful plugins for developers.
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