private static function init()
{
if (self::$SYNONYMS === null) {
self::$SYNONYMS = array();
self::$ROOT_WORDS = array();
$sSynonyms = Settings::getInstance('synonyms')->getSettingsArray();
foreach ($sSynonyms as $sLanguageId => $aSynonymList) {
self::$SYNONYMS[$sLanguageId] = array();
self::$ROOT_WORDS[$sLanguageId] = array();
foreach ($aSynonymList as $sRootWord => $aSynonyms) {
$sRootWord = StringUtil::normalize($sRootWord);
foreach ($aSynonyms as $iKey => $sSynonym) {
self::$SYNONYMS[$sLanguageId][StringUtil::normalize($sSynonym)] = $sRootWord;
}
self::$ROOT_WORDS[$sLanguageId][$sRootWord] = true;
}
}
}
}
