[Typo3-dev] getting values from locallang_db.php for frontend output

[JoH]

>> The question is: What is the preferrable way to insert labels from
>> locallang_db.php into the output of the FE-plugin(s)?
>
> t3lib_div has something for everyone:
>
> t3lib_div::readLLfile($fileRef,$langKey) seems to be the right way.
>

unfortunately this seems to be part of $lang for the backend but it is not
available via t3lib_div::readLLfile
(Or has this changed from 3.7 to 3.8? - We are using 3.7 with this project)
Using the function in the PHP code of the plugin gives us the following
error message:
 Call to undefined function: readllfile() ... blah

Searching the different sections of extdeveval I found out that there is
something like "function readLLfile($fileRef)" in sysext/lang/lang.php but
as far as I understood this can't be used inside FE-plugins.
Any other ideas?

Joey

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