The PHP development team is proud to announce the immediate availability of PHP 5.4.0. This release is a major leap forward in the 5.x series, and includes a large number of new features and bug fixes.
The key features of PHP 5.4.0 include:
Changes that affect compatibility:
Extensions moved to PECL:
PHP 5.4 will be the last series to support Windows XP and Windows 2003. We will not provide binary packages for these Windows versions after PHP 5.4.
For users upgrading from PHP 5.3 there is a migration guide available here, detailing the changes between PHP 5.3 and PHP 5.4.0.
For a full list of changes in PHP 5.4.0, see the ChangeLog.