The comany TIOBE collects statistics about the popularity of programming languages. In their last analysis PHP was on position 3 and that is something to be proud of. 
The only two that are popular than PHP are C and Java. PHP is also in the race for “Programming Language of 2009″ together with C and C#!
The development in the rankings can be found in the graph below:
Long term trends for the top 10 programming languages
The total ranking list can be seen on the TIOBE website.
