PHPFusion\PrivateMessages::mark_pm PHP Метод

    private function mark_pm()
    {
        global $userdata;
        switch (form_sanitizer($_POST['mark'], "")) {
            case "mark_all":
                // mark all as read
                if (!empty($this->info['items'])) {
                    foreach ($this->info['items'] as $message_id => $array) {
                        $ownership = isnum($message_id) && dbcount("(message_id)", DB_MESSAGES, "message_id='" . intval($message_id) . "' and message_user='" . intval($userdata['user_id']) . "'") ? TRUE : FALSE;
                        if ($ownership && isset($this->info['items'][$message_id])) {
                            dbquery("UPDATE " . DB_MESSAGES . " SET message_read='1' WHERE message_id='" . intval($message_id) . "'");
                        }
                    }
                    redirect(clean_request("", array("folder"), TRUE));
                }
                break;
            case "unmark_all":
                // mark all as unread
                if (!empty($this->info['items'])) {
                    foreach ($this->info['items'] as $message_id => $pmData) {
                        $ownership = isnum($message_id) && dbcount("(message_id)", DB_MESSAGES, "message_id='" . intval($message_id) . "' and message_user='" . intval($userdata['user_id']) . "'") ? TRUE : FALSE;
                        if ($ownership && isset($this->info['items'][$message_id])) {
                            dbquery("UPDATE " . DB_MESSAGES . " SET message_read='0' WHERE message_id='" . intval($message_id) . "'");
                        }
                    }
                    redirect(clean_request("", array("folder"), TRUE));
                }
                break;
            case "mark_read":
                $messages = explode(",", rtrim(form_sanitizer($_POST['selectedPM'], "", "selectedPM"), ","));
                if (!empty($messages)) {
                    foreach ($messages as $message_id) {
                        $ownership = isnum($message_id) && dbcount("(message_id)", DB_MESSAGES, "message_id='" . intval($message_id) . "' and message_user='" . intval($userdata['user_id']) . "'") ? TRUE : FALSE;
                        if ($ownership && isset($this->info['items'][$message_id])) {
                            dbquery("UPDATE " . DB_MESSAGES . " SET message_read='1' WHERE message_id='" . intval($message_id) . "'");
                        }
                    }
                }
                redirect(clean_request("", array("folder"), TRUE));
                break;
            case "mark_unread":
                $messages = explode(",", rtrim(form_sanitizer($_POST['selectedPM'], "", "selectedPM"), ","));
                if (!empty($messages)) {
                    foreach ($messages as $message_id) {
                        $ownership = isnum($message_id) && dbcount("(message_id)", DB_MESSAGES, "message_id='" . intval($message_id) . "' and message_user='" . intval($userdata['user_id']) . "'") ? TRUE : FALSE;
                        if ($ownership && isset($this->info['items'][$message_id])) {
                            dbquery("UPDATE " . DB_MESSAGES . " SET message_read='0' WHERE message_id='" . intval($message_id) . "'");
                        }
                    }
                }
                redirect(clean_request("", array("folder"), TRUE));
        }
    }