require_once 'xmlHandler.php';
if (!isset($_COOKIE["name"])) {
header("Location: error.html");
exit;
}
// create the chatroom xml file handler
$xmlh = new xmlHandler("chatroom.xml");
if (!$xmlh->fileExist()) {
header("Location: error.html");
exit;
}
// get the name from the cookie
$name = $_COOKIE["name"];
$xmlh->openFile();
// get the users element
$users_node = $xmlh->getElement("users");
// get all user nodes
$users_array = $xmlh->getChildNodes("user");
if ($users_array != null) {
// delete the current user from the users element
foreach ($users_array as $user) {
$username = $xmlh->getAttribute($user, "name");
if ($username == $name) {
$xmlh->removeElement($users_node, $user);
}
}
}
$xmlh->saveFile();
// clear the cookie
setcookie("name", "");
header("Location: login.html");
header("Location: error.html");
exit;
}
// get user name from cookie
$name = $_COOKIE["name"];
print $name;
// open the existing XML file
$xmlh->openFile();
// get the 'users' element
$users_element = $xmlh->getElement("users");
// get all 'user' nodes
$user_element = $xmlh->getChildNodes("user");
if ($user_element != null) {
// delete the current user from the users element
foreach ($user_element as $user) {
$username = $xmlh->getAttribute($user, "name");
if ($username == $name) {
// Remove picture from our images folder
$uploadpic = $xmlh->getAttribute($user, "pic-upload");
unlink($uploadpic);
// Remove the user element completely
$xmlh->removeElement($users_element, $user);
}
}
}
// save the XML file
$xmlh->saveFile();
// set the name to the cookie
setcookie("name", "");
// Cookie done, redirect to client.php (to avoid reloading of page from the client)
header("Location: login.html");