$db_host = "localhost";
 $db_user = "root";
 $db_pass = "";
 $db_name = "new_db";
 define ("IMG" , "img");

 $link = mysqli_connect($db_host , $db_user , $db_pass , $db_name) OR DIE ("Не могу подключится");
 if (mysqli_connect_errno()) {
 printf("Ошибка соединения: %sn", mysqli_connect_error());
 exit;
 }
 $query = mysqli_select_db($link , $db_name) OR DIE ("Не моу выбрать базу, либо она отсутствует");

$result = mysqli_query($link ,  "SELECT `title` , `text` , `img` FROM `news` ");

while($row = $result->fetch_assoc())
{?>
    <div class="post">
        <h2><?= $row['title'];?></h2>
             <img src="IMG/<?= $row['img'];?>" title="" />
            <p><?= $row['text'];?></p>
    </div>
<?}?>

$db_host = "localhost";
$db_user = "root";
$db_pass = "";
$db_name = "new_db";

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect($db_host , $db_user , $db_pass , $db_name);

$result = mysqli_query($link , "SELECT `title` , `text` , `img` FROM `news` ");