PHP 4.4.9 released! [07-Aug-2008]. This marks the end of PHP 4.4 lifespan that have been supported since May 2000.
---- Official statement from http://php.net. ----
The PHP development team would like to announce the immediate availability of PHP 4.4.9. It continues to improve the security and the stability of the 4.4 branch and all users are strongly encouraged to upgrade to it as soon as possible. This release wraps up all the outstanding patches for the PHP 4.4 series, and is therefore the last PHP 4.4 release.