echo json_encode($response);
} else {
$response["error"] = TRUE;
$response["error_msg"] = "Incorrect username or password";
echo json_encode($response);
}
} else {
if ($tag == 'register') {
$username = $_POST['username'];
$password = $_POST['password'];
if ($dbFunctions->isUserExist($username)) {
$response["error"] = TRUE;
$response["error_msg"] = "User already exist";
echo json_encode($response);
} else {
$result = $dbFunctions->register($username, $password);
if ($result) {
$response["error"] = FALSE;
$response["success_msg"] = "Registration successful";
$response["user"]["username"] = $username;
$response["user"]["password"] = $password;
echo json_encode($response);
} else {
$response["error"] = TRUE;
$response["error_msg"] = "An error occured during registration";
echo json_encode($response);
}
}
} else {
if ($tag == 'retrieve_Friends') {
$username = $_POST['username'];
