Nicholas Sherlock wrote:
However, some new pages I am now developing are cache-aware, and supply
their own Cache-Control headers which should not include the "private"
modifier. Is it possible for mod_headers to not create this header if
the response (from PHP) already includes a Cache-Control header?
I found one solution. In my cache-aware PHP pages I can use this code:
apache_setenv("Cache_Aware","yes");
Then mod_headers can look for the environment variable:
Header append Cache-Control "private" env=!Cache_Aware
However, this is suboptimal. Once I eventually fix all of my pages to be
properly cache-aware, the mod_header directive which adds 'private' will
no longer be useful, and I'll have a lot of PHP code which needlessly
sets an Apache environment variable. It'd be great if you could easily
check for an existing _response_ header in mod_headers!
Cheers,
Nicholas Sherlock
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