How good is PHP performance?

Question

This is a follow up to a recent post I\'ve seen which suggests that PHP performance is poor:

\"PHP. IS. ALWAYS. THE. BOTTLENECK. My server farms, let me show you them! P

Answer 1

Yahoo! uses PHP. http://public.yahoo.com/bfrance/radwin/talks/yahoo-phpcon2002.htm

I disagree that PHP is always the bottleneck. PHP is as scalable and efficient as Java or ASP. At the end of the road it comes down to your database, the bottleneck will always start there.