/**
* remove language data from database
* @param string language key
* @param string "all" or "keep_local"
*/
function flushLanguage($a_lang_key, $a_mode = 'all')
{
$ilDB = $this->db;
ilLanguage::_deleteLangData($a_lang_key, $a_mode == 'keep_local');
if ($a_mode == 'all') {
$ilDB->manipulate("DELETE FROM lng_modules WHERE lang_key = " . $ilDB->quote($a_lang_key, "text"));
}
}
