connect_error) { die("Connection failed: " . $conn->connect_error); } $username = $_POST["name"]; $message = $_POST["message"]; $query0 = "Select max(messageID) from messages"; mysqli_query($db, $query0) or die('Error querying database.'); $maxID = mysqli_query($db, $query0); $maxID = $maxID + 1; $query1 = "Insert into messages (messageID, sender, recipient, message, date, haveread) values({$maxID}, , {$username}, {$message}, NOW(), 'N')"; mysqli_query($db, $query1) or die('Error inserting into database.'); mysqli_close($db); ?>