return $o != $observer;
});
}
public function notify()
{
return array_walk($this->observers, function ($observer) {
$observer->handle();
});
}
}
class SendWelcomeEmail implements Observer
{
public function handle()
{
var_dump('send a welcome email.');
}
}
class UpdateAccumulateScore implements Observer
{
public function handle()
{
var_dump('update the accumulate score.');
}
}
$login = new Login();
$sendWelcomeEmail = new SendWelcomeEmail();
$login->attach($sendWelcomeEmail);
$login->attach(new UpdateAccumulateScore());
$login->notify();
$login->detach($sendWelcomeEmail);
$login->notify();
public function tryToAuthenticateUser()
{
$username = isset($_REQUEST["username"]) ? trim($_REQUEST["username"]) : "";
$password = isset($_REQUEST["password"]) ? $_REQUEST["password"] : "";
if (empty($username)) {
$this->getError()->setError("Username cannot be empty.");
} else {
if (empty($password)) {
$this->getError()->setError("Password cannot be empty.");
} else {
$params = array("username" => $username, "password" => $password, "action" => "login");
ob_start();
// send the request
CURLHandler::Post(SERVER_URL . 'loginApi.php', $params, false, true);
$result = ob_get_contents();
ob_end_clean();
$ret = json_decode($result);
if ($ret->error == 1) {
$this->getError()->setError($ret->message);
return $this->getError()->getErrorFlag();
} else {
$id = $ret->userid;
$username = $ret->username;
$nickname = $ret->nickname;
$_SESSION["userid"] = $id;
$_SESSION["username"] = $username;
$_SESSION["nickname"] = $nickname;
// notifying other applications
$response = new Response();
$login = new Login();
$login->setResponse($response);
$login->notify($id, session_id());
return false;
}
}
}
return $this->getError()->getErrorFlag();
}
public function tryToAuthenticateUser()
{
$username = isset($_REQUEST["username"]) ? trim($_REQUEST["username"]) : "";
$password = isset($_REQUEST["password"]) ? $_REQUEST["password"] : "";
if (empty($username)) {
$this->getError()->setError("Username cannot be empty.");
} else {
if (empty($password)) {
$this->getError()->setError("Password cannot be empty.");
} else {
$params = array("username" => $username, "password" => $password, "action" => "login");
ob_start();
// send the request
CURLHandler::Post(SERVER_URL . 'loginApi.php', $params, false, true);
$result = ob_get_contents();
ob_end_clean();
$ret = json_decode($result);
if ($ret->error == 1) {
if (($key = array_search('User is deactivated.', $ret->message)) !== false) {
$ret->message[$key] = 'You need to be confirmed!<br /><a href="#" id="ping_admin">Ping the administrator ...</a>';
}
$this->getError()->setError($ret->message);
return $this->getError()->getErrorFlag();
} else {
$id = $ret->userid;
$username = $ret->username;
$nickname = $ret->nickname;
$admin = $ret->admin;
Utils::setUserSession($id, $username, $nickname, $admin);
// notifying other applications
$response = new Response();
$login = new Login();
$login->setResponse($response);
$login->notify($id, session_id());
return false;
}
}
}
return $this->getError()->getErrorFlag();
}
