[TYPO3-dev] Clear Cache in 4.2

[Steffen Kamper]

to clarify:

clearCache-methods are in t3lib_tcemain::clear_cacheCmd

"all" clears page cache , cache_pagesection and cache_hash
and addtional tables that are defined in array
$TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_tcemain.php']['clearAllCache_additionalTables']
and only if their name starts with "cache"
(a real hook would be more satisfying ;-)

"pages" clears only cache_pages

and "temp_CACHED" only clears config cache for BE (admin only)

There is no need to clear temp_CACHED and pages together, because it's total 
different.
Mostly users click on both "to be sure" because something isn't displayed as 
expected.

vg  Steffen