LimeSurvey - Language cannot be changed (unchangeable)
If you want to change the language in LimeSurvey but nothing happens, you have to set the following configuration parameter (in config.php):
$translationmode = 1;
This strange “workaround” is required when your php installation has some bug (don’t ask me).
Much time has cost me to find this solution.
Source:
http://www.limesurvey.org/index.php/de/Deutsches-Forum/20128-ReGerman-eingestellt-aber-alles-noch-in-Englisch.html
http://docs.limesurvey.org/tiki-index.php?page=Installationsanleitung