[TYPO3] Clearing the cache for specified records

[helge preuss]

>
> Hi,
>
> I have to clear the cache for a page from an extension, in PHP. I don't 
> want to clear all entries associated with this page, but only for a 
> particular GET-parameter (marked with a cHash-value, of course). 
> t3lib_TCEmain::clear_cacheCmd() works only on pages, though (if the 
> documentation is right).
>
> I haven't found any documentation on how the cached entries are created 
> and indexed. The caching tables store neither the cHash value nor the 
> GET parameters in clear text. In brief, I don't understand the structure 
> of the caching tables.
>
> Can anybody help me out with a command from the Typo3 API which clears 
> the cache for a particular URL with GET parameters, or some 
> documentation about the caching tables (in particular cache_pages, I 
> think), so I can assemble such a command by myself?
>   
Oops, translated this post from German and forgot to translate the 
subject. Sorry...