function friendOrStranger($dataBase, $table, $receiver_id)
{
// $db = new Connect($dataBase,$table);
$template = new Template();
$check = $template->selectWhere($dataBase, $table, array('sender_id' => $_SESSION['userId'], 'receiver_id' => $receiver_id));
if ($check) {
$template->delete($dataBase, $table, $_SESSION['userId'], $receiver_id);
$returnResult = 'Добави';
} else {
$template->insert($dataBase, $table, array('sender_id' => $_SESSION['userId'], 'receiver_id' => $receiver_id));
$returnResult = 'Премахни';
}
return json_encode($returnResult);
}