CodePen
Build, share, and learn JavaScript, CSS, and HTML with our online code editor.
Sorting
PHP Sandbox – Execute PHP code online through your browser
Run PHP code in your browser online with this tool in 400+ PHP versions
博客园
博客园是一个面向开发者的知识分享社区。自创建以来，博客园一直致力并专注于为开发者打造一个纯净的技术交流社区，推动并帮助开发者通过互联网分享知识，从而让更多开发者从中受益。博客园的使命是帮助开发者用代码改变世界。
Learn to Code — For Free — Coding Courses for Busy People
Learn to Code — For Free
Site
Hard hitting articles, dicussions, resources, and more all focusing for real developers in the real world.
