PHP6: The Future of PHP

Quote

PHP V6 will offer many improvements and will clean up some of the functionality that has been in older versions of PHP. To take advantage of the new features and cleanup, read through the NEWS list (see Resources), as it will contain the most up-to-date information about what is included (or not included) in PHP V6. You can download developer versions of PHP V6 today and start making sure that your applications are unaffected by the changes. You can also take this opportunity to clean up your own scripts, removing any of the deprecated functions mentioned in this article or updating your syntax to make sure that your applications are supported.