PHP 5.4 Release Brings Many Changes

[phoronix]

Phoronix: PHP 5.4 Release Brings Many Changes

PHP 5.4.0 was officially released today as a major advancement over the PHP 5.3 code-base...

http://www.phoronix.com/vr.php?view=MTA2NDY

[elanthis]

New version of PHP? Best way to write about it is to break your PHP-based website. Love it.

[michal]

For me the biggest PHP 5.4 feature is performance boost. I develop a large web app in symfony1 and Zend1 - when I upgrade from PHP 5.3 to PHP 5.4 I see a great - sometimes over 25% speedup in page creation times. The only thing that now I'm waiting are PHP 5.4 fixes for Zend.

Best regards,
Michal

[uid313]

I know that the built-in web server is only for testing and development purposes, and that it is not for production use.

That said, I am still curious though as to what features it supports and how it performance.
I don't expect it to perform well, since its not intended to, but it would still be fun to see some benchmarks.

How does it work under the hood?
Is it multi-threaded, is it asynchronous? Is it event-based? Does it use epoll()?