JpnForPhp\Analyzer\Analyzer::countKanji PHP Method

    public static function countKanji($str, $extended = false)
    {
        $matches = array();
        if ($extended) {
            return preg_match_all(Helper::PREG_PATTERN_KANJI_EXTENDED, $str, $matches);
        } else {
            return preg_match_all(Helper::PREG_PATTERN_KANJI, $str, $matches);
        }
    }

 public function testCountKanjiExtended()
 {
     $result = Analyzer::countKanji('三ヶ日', TRUE);
     $this->assertEquals(3, $result);
 }