function nameExists($newName)
{
require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "settings.class.php";
$settings = new settings();
if ($settings::db_driver == "xml") {
// XML
$links = simplexml_load_file($_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "data" . DIRECTORY_SEPARATOR . "links.xml");
foreach ($links as $link) {
if ($link->name == $name) {
return TRUE;
}
}
return FALSE;
} else {
// PDO
require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "common.class.php";
$common = new common();
$dbh = $common->pdoOpen();
$sql = "SELECT COUNT(*) FROM " . $settings::db_prefix . "links WHERE name = :name";
$sth = $dbh->prepare($sql);
$sth->bindParam(':name', $name, PDO::PARAM_STR, 100);
$sth->execute();
$count = $sth->fetchColumn();
$sth = NULL;
$dbh = NULL;
if ($count > 0) {
return TRUE;
}
return FALSE;
}
}// Load the require PHP classes.
require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "common.class.php";
require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "account.class.php";
require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "links.class.php";
$common = new common();
$account = new account();
$links = new links();
// Check if the user is logged in.
if (!$account->isAuthenticated()) {
// The user is not logged in so forward them to the login page.
header("Location: login.php");
}
$nameExists = FALSE;
if ($common->postBack()) {
// Check if the name already exists.
$nameExists = $links->nameExists($_POST['name']);
if (!$nameExists) {
// Add this link..
$links->addLink($_POST['name'], $_POST['address']);
// Forward the user to the link management index page.
header("Location: /admin/links/");
}
}
////////////////
// BEGIN HTML
require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "admin" . DIRECTORY_SEPARATOR . "includes" . DIRECTORY_SEPARATOR . "header.inc.php";
?>
<h1>Links Management</h1>
<hr />
<h2>Add Link</h2>
<form id="add-link" method="post" action="add.php">
