$db = new mysqli('localhost','root','','dbname');
$db->query("SET NAMES utf8");
 
$ismFamiliya = $db->quer("SELECT `ism`,`familiya`, `otchestvo` from `jadval_nomi`")or die($db->error);
while($r = $ismFamiliya->fetch_array()){
echo $r['familiya']." ".substr($r['ism'],0,1).".".substr($r['otchestvo'],0,1)."<br>";
}