chamilo / chamilo-lms

if (count($nosessionUsersList) == 0) {

    $friends = SocialManager::get_friends(api_get_user_id());

    if ($friends == 0) {

        $social_right_content .= Display::return_message(get_lang('YouNeedToHaveFriendsInYourSocialNetwork'), 'warning');

    } else {

        $social_right_content .= Display::return_message(get_lang('YouAlreadyInviteAllYourContacts'), 'info');

    }

    $social_right_content .= '<div>';

    $social_right_content .= '<a href="search.php" class="btn btn-default btn-sm">'.Display::returnFontAwesomeIcon('search').' '.get_lang('TryAndFindSomeFriends').'</a>';

    $social_right_content .= '</div>';

                        $user_id

                    );

                    if ($daysLeft >= 0) {

                        $additonalBlocks .= Display::return_message(

                            sprintf(get_lang('SessionDurationXDaysLeft'), $daysLeft),

                            'information'

                        );

                    } else {

                        $additonalBlocks .= Display::return_message(

                            get_lang('YourSessionTimeHasExpired'),

                            'warning'

                        );

                    }

                }

                break;

        }