What’s new in PHP 5.1?

PHP.net announced over the weekend that the first public beta of PHP 5.1 (5.1.0) is now available for download on PHP.net.

So what’s changed?

• The PCRE library (providing Perl-style regular expression support) has been updated to version 5.0.
• Several performance improvements, including changes to garbage collection, the switch statement, and several array functions.
• Several improvements in the PostgreSQL and Improved MySQL support.
• Several new functions including array_diff_key, array_diff_ukey, array_intersect_key and array_intersect_ukey.

PHP 5.1 can be downloaded from PHP website.

As of now there is an entry PHP.net’s RSS feed about the release but no word about it on the front page of http://www.php.net/.