http host - content of the Host: header, that is virtual host
Ivo Fokkema wrote:
Hi list,
Just out of curiosity I would like to know if anyone can tell me the difference between some $_SERVER variables that generate the same output (in my test-file at least).
For instance, what is the difference between $_SERVER['HTTP_HOST'] and $_SERVER['SERVER_NAME']? Can they generate different output under some circumstances? They're always the same with me. Any recommendations on which to use?
I know that $_SERVER['REQUEST_URI'] can differ from 'SCRIPT_NAME' and 'PHP_SELF' (I use 'REQUEST_URI' to see what people were looking for when they hit a 404) but can $_SERVER['SCRIPT_NAME'] and $_SERVER['PHP_SELF'] be different?
TIA,
-- Ivo Fokkema PHP & MySQL programmer Leiden University Medical Centre Netherlands
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