Old mysql test

$db_host = "127.0.0.1";
$db_username = "root";
$db_password = "password";
$db_name = "test";

$connection = mysql_connect($db_host, $db_username, $db_password) or die(mysql_error());

$db = mysql_select_db($db_name, $connection);

$q = "SELECT * FROM `customers`";
$r = mysql_query($q) or die(mysql_error());

if (mysql_num_rows($r) >= 1) {
    while ($row = mysql_fetch_array($r)) {
        var_dump($row);
    }
}