Nexen.net has posted the latest PHP statistics for the month of March 2007 today including the PHP version distribution, the usage of different versions of PHP, PHP 5 adoption by country, and much more.
Here are the PHP stats for March 2007. To learn about methodology, read la section phpversion. 10.1 millions servers hosted on 2.3 millions IP were surveyed during December, and 22.8 were used for stats : domaines without web sites, those unreachable, ISP, shared hosters or domain parkings were not considered.
Also included are the evolution statistics comparing PHP to two other languages - ASP amd Masque. Interestingly enough, the growth pattern almost directly matches the inverse of the ASP results.