Damien Seguy has posted the latest usage statistics for PHP in the month of July 2007 today on Nexen.net:

PHP adoption statistics for July 2007 are released.
Here are the monthly highlight :

• PHP 5 is now more than 20%
• PHP 5.2 is above 10% in PHP market share
• PHP 4.4.7 still going strongly

As usual, lots of other details : PHP versions, Apache, country details, etc. Feel free to ask any other details, stats or context about the study.

Check out the full monthly stats here and check out the evolution stats here.