(PECL v8js >= 0.1.0)
Name of the extension to be registered.
Array of extension names the extension to be registered depends on. Any such extension is enabled automatically when this extension is loaded.
All extensions, including the dependencies, must be registered before any V8Js are created which use them.
If set to TRUE, the extension will be enabled automatically in all V8Js contexts. Defaults to FALSE.
Returns TRUE if extension was registered succesfully, FALSE otherwise.