showForm() публичный Метод

Print the version form
public showForm ( $ID, $options = [] ) : true
$ID integer ID of the item
$options array - target for the Form - computers_id ID of the computer for add process
Результат true if displayed false if item not found or not right to display
}
$disk = new ComputerVirtualMachine();
if (isset($_POST["add"])) {
    $disk->check(-1, 'w', $_POST);
    if ($newID = $disk->add($_POST)) {
        Event::log($_POST['computers_id'], "computers", 4, "inventory", $_SESSION["glpiname"] . " " . $LANG['log'][21]);
    }
    glpi_header($_SERVER['HTTP_REFERER']);
} else {
    if (isset($_POST["delete"])) {
        $disk->check($_POST["id"], 'w');
        if ($disk->delete($_POST)) {
            Event::log($disk->fields['computers_id'], "computers", 4, "inventory", $_SESSION["glpiname"] . " " . $LANG['log'][21]);
        }
        $computer = new Computer();
        $computer->getFromDB($disk->fields['computers_id']);
        glpi_header(getItemTypeFormURL('Computer') . '?id=' . $disk->fields['computers_id'] . ($computer->fields['is_template'] ? "&withtemplate=1" : ""));
    } else {
        if (isset($_POST["update"])) {
            $disk->check($_POST["id"], 'w');
            if ($disk->update($_POST)) {
                Event::log($disk->fields['computers_id'], "computers", 4, "inventory", $_SESSION["glpiname"] . " " . $LANG['log'][21] . " " . $_POST["id"]);
            }
            glpi_header($_SERVER['HTTP_REFERER']);
        } else {
            commonHeader($LANG['Menu'][0], $_SERVER['PHP_SELF'], "inventory", "computer");
            $disk->showForm($_GET["id"], array('computers_id' => $_GET["computers_id"]));
            commonFooter();
        }
    }
}