PHP and MySQL Web Development 4th Ed-tqw-_darksiderg

704 Chapter 30 Building a Mailing List Manager
The store_account() function, shown in Listing 30.4, writes the account details to the
database.
Listing 30.4 store_account()Function from mlm_fns.php—This Function Adds a
New User to the Database or Stores Modified Details About an Existing User
// add a new subscriber to the database, or let a user modify their data
function store_account($normal_user, $admin_user, $details) {
if(!filled_out($details)) {
echo "All fields must be filled in. Try again.";
return false;
} else {
if(subscriber_exists($details['email'])) {
//check logged in as the user they are trying to change
if(get_email()==$details['email']) {
$query = "update subscribers set
realname = '".$details[realname]."',
mimetype = '".$details[mimetype]."'
where email = '".$details[email]."'";
if($conn=db_connect()) {
if ($conn->query($query)) {
return true;
} else {
return false;
}
} else {
echo "Could not store changes.";
return false;
}
} else {
echo "Sorry, that email address is already registered here.
You will need to log in with that address to
change its settings.";
return false;
}
} else {
// new account
$query = "insert into subscribers
values ('".$details[email]."',
'".$details[realname]."',
'".$details[mimetype]."',
sha1('".$details[new_password]."'),
0)";
if($conn=db_connect()) {
if ($conn->query($query)) {