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This is a proof of concept, it works but as far as I know does not run in production anywhere. All functions that do require disk, system or network access are blacklisted, others whitelisted. This tool works with a whitelist of functions.
PHP SANDBOX CODE
Also it allows developers to share their PHP code with the community. Example
PHP SANDBOX PLUS
For every script you submit, this site tells you: Output from all released, plus upcoming alpha/beta/RC. I compiled more than 250 different PHP versions (every version released since 4.3.0) for you to run online. Also it allows developers to share their PHP code with the community. (leetspeak for eval) is an online shell that allows you to run your code on my server. The Online PHP Sandbox was created to help with debugging, testing and running your php code online. PHP code may be embedded into HTML, or it can be used in combination with various web template systems ,web content management systems and web frameworks. PHP (Hypertext PreProcessor) - PHP is a server side scripting language designed primarily for web development.
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