$username = $_POST['username'];
$result = $dbFunctions->search($username);
if ($result != false) {
$response["error"] = FALSE;
$response["usernames"] = $result;
echo json_encode($response);
} else {
$response["error"] = TRUE;
$response["error_msg"] = "No users found";
echo json_encode($response);
}
} else {
if ($tag == "friend_invite") {
$username = $_POST['username'];
$friend = $_POST['friend'];
$result = $dbFunctions->friendInvite($username, $friend);
if ($result != false) {
$response["error"] = FALSE;
$response["success_msg"] = "Friend invite sent";
echo json_encode($response);
} else {
$response["error"] = TRUE;
$response["error_msg"] = "Invite already sent";
echo json_encode($response);
}
} else {
if ($tag == "accept_invite") {
$username = $_POST['username'];
$friend = $_POST['friend'];
$result = $dbFunctions->acceptInvite($username, $friend);
if ($result) {
