[TYPO3-core] RFC #10075: Bug: Rootline cache does not work in multilingual websites

[Francois Suter]

This is an SVN patch request.

Type: Bugfix

Bugtracker references:
http://bugs.typo3.org/view.php?id=10075

Branches:
4_2 and Trunk

Problem:
The rootline cache (in class t3lib_pageSelect) was made to work properly 
in TYPO3 since version 4.2.2. However this introduced a bug: the cache 
does not take the language into account. So if you calculate the 
rootline for a given page in a given language, this rootline will be 
reused for any other language. This is wrong since 
t3lib_pageSelect::getRootLine() is expected to return a properly 
overlaid rootline.

Solution:
Add the current language (as stored in $this->sys_language_uid) to the 
keys used to store the rootline in cache.

Notes:
I have added the language as the second dimension of the cache array, 
before the mount point info, as it seemed more logical. It could added 
after it, however. I don't think it changes much.

Cheers

-- 

Francois Suter
Cobweb Development Sarl - http://www.cobweb.ch
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