Elliotte Harold wrote:
Suppose I don't want it to be so obvious that I'm using PHP on a site,
Or that I just want the freedom to not always use PHP in a given
document. Thus I decide to configure Apache to treat all .html files
as PHP files.
How much overhead does this add for the common case when a file only
contains static data, no PHP? Would I notice the hit?
You should measure this yourself using tools such as ab
(ApacheBench, included with the Apache distribution)
I benched out an Apache 2 installation on a somewhat beefy Linux
machine about two years ago. Apache could serve about 2000 hits/sec of
plain HTML files and around 400 hits/sec of simple PHP files.
About five years ago I developed a simple PHP system that put
templating on existing HTML documents. I clocked this at around 100
hits/sec, which is around 8 million a day.
There is substantial overhead in processing PHP, but most people
won't notice it unless they have very high traffic sites or are in a
very resource constrained environment.
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