Sample Code - DB Connection And Select

[PHP] DB Connection And Select

define("DB_IP", "localhost");
define("DB_USER", "id");
define("DB_PWD", "pw");
define("DB_NAME", "db");

$TABLE_NAME = "codewee";
	$conn = mysql_connect(DB_IP, DB_USER, DB_PWD);
if($conn == NULL)
{
	die("DB_CONN_FAIL");
}

mysql_select_db(DB_NAME, $conn);
$sql = "SELECT * FROM $TABLE_NAME where idx=$idx";
$res = mysql_query($sql, $conn);
$count = mysql_num_rows($res);

if($count > 0)
{
$row = mysql_fetch_array($res);
// Do Something...
}
mysql_close($conn);