php隨機生成密碼

php隨機生成密碼

     /**生成密碼
     * @return string
     */
    private function createPassword()
    {
        $code = '';
        for ($i = 0; $i < 6; $i++) {
            $code = $code . substr(str_shuffle('0123456789'), 0, 1);
        }
        return $code;
    }