Notes"SpiderMonkey support in PHP comes through PECL's ext/spidermonkey extension, which is maintained by Christophe Robin, and provides an object-oriented API for accessing the SpiderMonkey library. Although this extension is currently in beta, it still allows you to do some fairly interesting things, including registering and using variables, functions and classes from PHP in JavaScript."Unfurl
Notes"This extension allows the Python interpreter to be embedded inside of PHP, allowing for the instantiate and manipulation of Python objects from within PHP."FeedUnfurl