Koneksi antara Databases dengan PHP

<?php
$my['host']= "localhost";
$my['user']= "root";
$my['pass']= "";
$my['dbs']= "pendaftaraan";

$koneksi = mysql_connect($my['host'], $my['user'], $my['pass']);
if ( ! $koneksi )
{
echo "Gagal koneksi bro...";
mysql_error();
}

mysql_select_db($my['dbs']) or die ("Database nggak ada nii". mysql_error());
?>