safeLoad(); // Use environment variables for the database password and IP address. $db_user = $_ENV['DATABASE_USER']; $db_pass = $_ENV['DATABASE_PASSWORD']; $ip_addr = $_ENV['IP_ADDRESS']; // Make some constants if ($_SERVER['HTTP_HOST'] == 'localhost') { define('HOST', 'localhost'); define('USER', $db_user); define('PASS', $db_pass); define('DB', 'vintagecoding'); } else { define('HOST', $ip_addr); define('USER', $db_user); define('PASS', $db_pass); define('DB', 'vintagecoding'); } function get_connection() { $conn = new mysqli(HOST, USER, PASS, DB); return $conn; }