function utf8tolower($input_string) { $ustring = new Unicode_String(); $ustring->fromUTF8($input_string); return $ustring->toLower()->toUTF8(); }
/** * This method does a comparison like that in $cmp(), except that it is case-insensitive. * @see strcmp() * @param Unicode_String $that * @return integer */ function caseCmp($that) { $s1 = $this->toLower(); $s2 = $that->toLower(); return strcmp($s1->toUTF8(), $s2->toUTF8()); }