safeLoad(); // Use environment variables for the database password and IP address. $db_pass = $_ENV['DATABASE_PASSWORD']; $ip_addr = $_ENV['IP_ADDRESS']; // Make some constants if ($_SERVER['HTTP_HOST'] == 'localhost') { define('HOST', 'localhost'); define('USER', 'root'); define('PASS', $db_pass); define('DB', 'palindromes'); } else { define('HOST', $ip_addr); define('USER', 'root'); define('PASS', $db_pass); define('DB', 'palindromes'); } // Connect to the DB $conn = mysqli_connect(HOST, USER, PASS, DB); // Write a DB query $sql = 'SELECT * FROM palindrome;'; // Run DB query $results = mysqli_query($conn, $sql); // Loop through data while ($row = mysqli_fetch_array($results, MYSQLI_ASSOC)) { echo $row['phrase'] . '
'; };