/**
     * 中文分词（pullword.com）
     *
     * @param string $str
     * @param integer $model 取词模式 0 全部词汇 1 以 100% 的概率拉词
     * @param integer $debug 调试模式 0 调试模式关闭 1 调试模式开启（显示每个单词的所有概率）
     * @return array
     * @author 617 <email：723875993@qq.com>
     */
    function cutwords($str, $model = 0, $debug = 0)
    {
        if (empty($str)) return [];
        $ret = [];
        // 每次最多500字，超出500字截断
        if (($str_len = mb_strlen($str)) > 500) {
            $cut_len = 500;
            for ($i = 0; $i < (int)($str_len / 500 + 1); $i++) {
                $start = $i == 0 ? 0 : ($i * $cut_len) + 2;
                $cut_str = mb_substr($str, $start, $cut_len);
                if (empty($cut_str)) break;
                $cut_str = urlencode($cut_str);
                $str_arr = http_get("http://api.pullword.com/get.php?source=$cut_str&param1=$model&param2=$debug");
                $str_arr = array_filter(explode("\r\n", $str_arr));
                $ret = array_merge($str_arr, $ret);
            }
        } else {
            $str = urlencode($str);
            $str = http_get("http://api.pullword.com/get.php?source=$str&param1=$model&param2=$debug");
            $ret = array_filter(explode("\r\n", $str));
        }
        if (!empty($ret)) {
            $ret = array_unique($ret);
            // 将分词转为数组键， isset作比对
            $ret = array_combine($ret, array_fill(0, count($ret), '*'));
        }
        return $ret;
    }


// 下面是个人业务逻辑

 /**
     * 检测是否命中关键字，如果命中，记录并预警
     *
     * @param string $text
     * @return boolean
     * @author 617 <email：723875993@qq.com>
     */
    public function checkText($field, $uid, $user_form_id, $user_form_field_id)
    {
        $redis_key = env('redisKey.UserKeyWords') . $uid;
        // 是否命中关键词
        $WarningKeyWords = $this->redisCache->getInfo(env('redisKey.WarningKeyWords'));
        // 内容分词
        $cut_words = cutwords($field['field_value']);
        $hit = [];
        foreach ($WarningKeyWords as $item) {
            if (isset($cut_words[$item])) {
                $hit[] = [
                    'word' => $item,
                    'field_name' => $field['field_name'],
                    'field_value' => $field['field_value'],
                ];
            }
        }

        if (!empty($hit)) {
            $data = [
                'uid' => $uid,
                'user_form_id' => (int)$user_form_id,
                'user_form_field_id' => (int)$user_form_field_id,
                'hit' => $hit,
            ];
            // $this->redisCache->delByKey($redis_key);

            $old_data = $this->redisCache->getInfo($redis_key);
            if (empty($old_data)) {
                $old_data = [serialize($data)];
                $this->redisCache->setInfo($redis_key, $old_data);
            } else {
                $user_form_field_ids = [];
                foreach ($old_data as $key => $value) {
                    $de_arr = unserialize($value);
                    $user_form_field_ids[$key] = $de_arr['user_form_field_id'];
                }
                if (($index = array_search($data['user_form_field_id'], $user_form_field_ids)) !== FALSE) {
                    $old_data[$index] = serialize($data);
                } else {
                    array_push($old_data, serialize($data));
                }
                $old_data = array_values($old_data);
                $this->redisCache->setInfo($redis_key, $old_data);
            }
        }
    }