PHP 5.1 Release Candidate 1 is now available!
If all goes well, this RC will be followed by a release within a couple of weeks.
Some of the key improvements of PHP 5.1 include:
-
PDO (PHP Data Objects) – A new native database abstraction layer
providing performance, ease-of-use, and flexibility. -
Significantly improved language performance mainly due to the
new Zend Engine II execution architecture. - The PCRE extension has been updated to PCRE 6.2.
-
Many more improvements including lots of new functionality
& many bug fixes, especially in regards to SOAP, streams
and SPL. - See the bundled NEWS file for a more complete list of changes.
Everyone is encouraged to download and test this release candidate,
although it is not yet recommended for mission-critical
production use.
Source PHP.NET