问我的Mikrotik json_encode在datatable中显示空数据

EN

<?php
namespace App\Controllers;
use App\Libraries\Mikweb;

class Logs extends Security_Controller {
    function __construct() {
        parent::__construct();
        $this->access_only_admin_or_settings_admin();
    }
    function index() {
    
        return $this->template->rander("logs/index");
    }
    //get data for logs list
    function list_data() {      
        $API = new Mikweb();        
        $API->connect('192.168.88.6', 'shyriad', 'shyriad#1332');   
        $list_data = $API->comm('/ppp/profile/print');  
        foreach ($list_data as $data) {
        $result[] = $this->_make_row($data);

        }
        echo json_encode(array("data" => $result));         
        
    }
    
    //prepare an client groups category list row
    private function _make_row($data) {
        return array($data->name);
        
    }   

}

/* End of file logs.php */
/* Location: ./app/controllers/logs.php */