chamilo / chamilo-lms

            $return .= '-;'; // The user column

        }

        if ($display_extra_user_fields) {

            // Show user fields data, if any, for this user

            $user_fields_values = UserManager::get_extra_user_data($user,false,false, false, true);

            foreach ($user_fields_values as & $value) {

                $return .= '"'.str_replace('"', '""', api_html_entity_decode(strip_tags($value), ENT_QUOTES)).'";';

            }

        }

        if (is_array($possible_options)) {

            foreach ($possible_options as $question_id => $possible_option) {

            $data .= str_replace("\r\n",'  ',api_html_entity_decode(strip_tags($row['email']), ENT_QUOTES, $charset)).';';

            $data .= str_replace("\r\n",'  ',implode(", ", GroupManager :: get_user_group_name($row['user_id']))).';';

            if ($export_user_fields) {

                //show user fields data, if any, for this user

                $user_fields_values = UserManager::get_extra_user_data(

                    $row['user_id'],

                    false,

                    false,

                    false,

                    true

                );

                if (!empty($user_fields_values)) {

                    foreach($user_fields_values as $value) {

                        $data .= '"'.str_replace('"','""',api_html_entity_decode(strip_tags($value), ENT_QUOTES, $charset)).'";';

                    }

                }

            }

            $data .= str_replace("\r\n",'  ', api_html_entity_decode(strip_tags($row['title']), ENT_QUOTES, $charset)).';';

            $data .= str_replace("\r\n", '  ', $row['start_date']).';';