<?php

$host = '127.0.0.1';
$db = 'ipman';
$user = 'ipuser';
$pass = 'testpass';
$charset = 'utf8';
$sqlport= '3306';
//init PDO here
$dsn= "mysql:host=$host;port=$sqlport;dbname=$db; charset=$charset";
$opt = [
   PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    PDO::ATTR_EMULATE_PREPARES   => false,
];
$pdo = new PDO($dsn, $user, $pass, $opt);
//$dbh->setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION );


$stmt = $pdo->query('SELECT mac,domain,hostname FROM IPs');
while ($row = $stmt->fetch())
{
    echo $row['mac']['hostname']['domain'] . " a<br>b";
}



?>