$filename = $_FILES['data']['tmp_name']; 
$handle = fopen($filename, 'r'); 
$result = input_csv($handle); //解析csv 
$length = count($result); 

for ($i = 0; $i < $length; $i++) {
    $ip = $result[$i][0]; 
    $port = $result[$i][1];
    //...
    $data = array(
        "ip" => $ip,
        "port" => $port,
        //...
    );
    $count = $Property->where($where)->find();
    if($count){
        $query = $Property->where($where)->save($data);
    }else{
        $query = $Property->add($data);
    }
}
fclose($result); 
$this->success('导入成功！');
exit();

上传CSV文件，执行后就报错了，求大神支招
ps:必须要判定IP+端口唯一，存在则覆盖，不存在则添加。