IndioMan writes "In this article, learn about the new PHP V6 features in detail. Learn how it is easier to use, more secure, and more suitable for internationalization. New PHP V6 features include improved support for Unicode, clean-up of several functions, improved extensions, engine additions, changes to OO functions, and PHP additions." Update — May 7th at 16:47 GMT by SS: IBM seems to have removed the article linked in the summary. Here's a different yet related article about the future of PHP, but it's a year old.