src/MySQLDb.php
public function fetch($query, $params = array())
    {
        if(count($params)>0) $query = $this->parseCondition($query, $params);
        $mdKey = md5($query);
        if(!isset($this->result_query[$mdKey])){
            $this->result_query[$mdKey] = $this->query($query);
            $this->result_total_rows[$mdKey] = $this->result_query[$mdKey]->num_rows;
            $this->result_current_row[$mdKey] = 0;
        }else{
            $this->result_current_row[$mdKey]++;
            if($this->result_total_rows[$mdKey] <= $this->result_current_row[$mdKey]) {
                unset($this->result_query[$mdKey]);
                unset($this->result_current_row[$mdKey]);
                unset($this->result_total_rows[$mdKey]);
            }
        }

        if( isset($this->result_query[$mdKey]) && is_a($this->result_query[$mdKey], 'mysqli_result') ) return $this->result_query[$mdKey]->fetch_assoc() ;

        return isset($this->result_query[$mdKey])? isset($this->result_query[$mdKey]) : null;
    }
public function fetch($query, $params = array())
    {
        if(count($params)>0) $query = $this->parseCondition($query, $params);
        $mdKey = md5($query);
        if(!isset($this->result_query[$mdKey])){
            $this->result_query[$mdKey] = $this->query($query);
            $this->result_total_rows[$mdKey] = $this->result_query[$mdKey]->num_rows;
            $this->result_current_row[$mdKey] = 0;
        }else{
            $this->result_current_row[$mdKey]++;
            if($this->result_total_rows[$mdKey] <= $this->result_current_row[$mdKey]) {
                unset($this->result_query[$mdKey]);
                unset($this->result_current_row[$mdKey]);
                unset($this->result_total_rows[$mdKey]);
            }
        }

        if( isset($this->result_query[$mdKey]) && is_a($this->result_query[$mdKey], 'mysqli_result') ) return $this->result_query[$mdKey]->fetch_assoc() ;

        return isset($this->result_query[$mdKey])? isset($this->result_query[$mdKey]) : null;
    }
한행 가져오기
@param $query
@param array $params
@return bool|mixed|null
@throws Exception