Fatal error: Call to a member function fetch_array() on a non-object

<?php
$mysqli = new mysqli("localhost","krauft","1234","test2");
 
if (isset($_POST['resultat'])) {
 
 
    
   $result = $mysqli ->query("SELECT * FROM `hoom` where `count_comnat`= '".$_POST['filtr'] ."' AND `price`='".$_POST['filtre']."'");
   print_r($result);
   
   $rows = $result ->fetch_array();
  do
  {
    
    echo "район ".$rows['rayon']." <BR>"; 
    echo "Цена ".$rows['cena']."<br>"; 
    echo "Кол. Комнат ".$rows['count_comnat'];
   
    echo "<BR><BR>"; 
    
  }
  while($rows = $result ->fetch_array());
    }
    
?>

fetch_array(MYSQLI_ASSOC);

<?php
    
 
    error_reporting(E_ALL);
    
    //header("Content-type: text/html; charset=utf-8");
    
    
    $host = "localhost"; 
$user = "admin"; 
$password = "1234";
$db = "choice"; 
 
$link = mysql_connect($host, $user, $password);
 
mysql_select_db($db,$link);
mysql_query("SET names utf-8");
 
if (isset($_POST['resultat'])) {
 
$result = mysql_query("SELECT * FROM `choice_tb` where `level`= '".$_POST['filtr'] ."' and `price` = '".$_POST['filtre']."'",$link);
if (mysql_num_rows($result)>0)
    {
        
      $row = mysql_fetch_array($result);
        
      do
      {
        
        echo'
        
        
        <p>' .$row["adress"].'</p> <p>'.$row["price"].'</p>
        
        ';
        
      }  
        while($row = mysql_fetch_array($result));
        
    }
    }
?>