PHP4 End of Life Announcement
The community wanted it and evidently the guys upstairs did too. I just read on Slashdot that PHP has announced that PHP 4 is on its way out by the end of the year.
This is big news and will affect quite a bit of people — specifically project developers and web hosts. As an active PHP5 (and sometimes still PHP4) developer, this is wonderful news. PHP 5 has been around for the past three years and has been stable for the past two years. A lot of hard work has been put into making PHP 5 a faster, more stable, and more secure platform for web developers to use.
According to the official PHP announcement, support for PHP 4 will continue until end of 2007 only. After 2007-12-31 there will be no more releases of PHP 4.4, with critical security fixes available on a case-by-case basis until 2008-08-08.
Migration guides also exist to make the transition easier: