$messageContent = isset($_REQUEST['content']) ? trim($_REQUEST['content']) : null;
if (empty($subject) || empty($messageContent)) {
echo Display::display_error_message(get_lang('ErrorSendingMessage'));
exit;
}
$result = MessageManager::send_message($_REQUEST['user_id'], $subject, $messageContent);
if ($result) {
echo Display::display_confirmation_message(get_lang('MessageHasBeenSent'));
} else {
echo Display::display_error_message(get_lang('ErrorSendingMessage'));
}
break;
case 'send_invitation':
$subject = isset($_REQUEST['subject']) ? trim($_REQUEST['subject']) : null;
$invitationContent = isset($_REQUEST['content']) ? trim($_REQUEST['content']) : null;
SocialManager::send_invitation_friend_user($_REQUEST['user_id'], $subject, $invitationContent);
break;
case 'find_users':
if (api_is_anonymous()) {
echo '';
break;
}
$track_online_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE);
$tbl_my_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_my_user_friend = Database::get_main_table(TABLE_MAIN_USER_REL_USER);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_access_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$search = Database::escape_string($_REQUEST['q']);
$access_url_id = api_get_multiple_access_url() == 'true' ? api_get_current_access_url_id() : 1;
$user_id = api_get_user_id();
$is_western_name_order = api_is_western_name_order();
