two programs with a config.php

<?php
session_start();

// db properties
$dbhost = 'dbhost';
$dbuser = 'dbuser'; 
$dbpass = 'pass';    
$dbname = 'dbname';

// an album can have an image used as thumbnail
// we save the album image here
define('ALBUM_IMG_DIR', '/kunden/homepages/40/d174088604/htdocs/model/images/album/');

// all images inside an album are stored here
define('GALLERY_IMG_DIR', '/kunden/homepages/40/d174088604/htdocs/model/images/gallery/'); 

// When we upload an image the thumbnail is created on the fly
// here we set the thumbnail width in pixel. The height will
// be adjusted proportionally
define('THUMBNAIL_WIDTH', 100);

// make a connection to mysql here
$conn = mysql_connect ($dbhost, $dbuser, $dbpass) or die ("I cannot connect to the database because: " . mysql_error());
mysql_select_db ($dbname) or die ("I cannot select the database '$dbname' because: " . mysql_error());
?>