Printer::addPrinter PHP 메소드

    function addPrinter($name, $manufacturer, $entity, $comment = '')
    {
        global $DB, $CFG_GLPI;
        $manufacturer_id = 0;
        if ($manufacturer != '') {
            $manufacturer_id = Dropdown::importExternal('Manufacturer', $manufacturer);
        }
        //If there's a printer in a parent entity with the same name and manufacturer
        $sql = "SELECT `id`\n              FROM `glpi_printers`\n              WHERE `manufacturers_id` = '{$manufacturer_id}'\n                    AND `name` = '{$name}' " . getEntitiesRestrictRequest('AND', 'glpi_printers', 'entities_id', $entity, true);
        $res_printer = $DB->query($sql);
        if ($printer = $DB->fetch_assoc($res_printer)) {
            $id = $printer["id"];
        } else {
            $input["name"] = $name;
            $input["manufacturers_id"] = $manufacturer_id;
            $input["entities_id"] = $entity;
            $id = $this->add($input);
        }
        return $id;
    }

    echo "</br></div>";
    require_once "footer.php";
    die;
} elseif (isset($_GET['remove'])) {
    $remove = sanitizeString($_GET['remove']);
    $printer = new Printer();
    $printer->removePrinter($remove);
    echo "</br></div>";
    require_once "footer.php";
    die;
} elseif (isset($_GET['new'])) {
    $new = sanitizeString($_GET['new']);
    if (isset($_POST['printernum'])) {
        $printer = new Printer();
        $printer->initFromPOST();
        $printer->addPrinter();
    }
    echo <<<_END
<form method="post" id="AddPrinter" name="AddPrinter" action="printers.php?new" onSubmit="return validate(this)">{$error}
  <p>
    <input name="printernum" type="number" autofocus  id="printernum" placeholder="Номер Стикера(Принтера)" autocomplete="on" value="{$printernum}" class="textbox">
    <input name="printername" type="text"  id="printername" form="AddPrinter" autocomplete="on" value="{$printername}" class="textbox" placeholder="Название Принтера (Для определения самого принтера)">
    <input name="printermanufac" type="text" id="printermanufac" form="AddPrinter" autocomplete="on" value="{$printermanufac}" class="textbox" placeholder="Производитель Принтера">
    <input name="printermodel" type="text"  id="printermodel" form="AddPrinter" autocomplete="on" value="{$printermodel}" class="textbox" placeholder="Модель принтера">
    <input name="printerserial" type="text" id="printerserial" autocomplete="on" value="{$printerserial}" class="textbox" placeholder="Серийный номер принтера (полностью)">
    <input type="number" name="printercount" id="printercount" value="{$printercount}" class="textbox" placeholder="Текущее значение счетчика отпечатаных страниц">
    <input type="number" name="printercost" id="printercost" max="10" min="0" step="0.001" autocomplete="on" value="{$printercost}" class="textbox" placeholder="Стоимость отпечатка в грн.">
  </p>

    <input class='button' type='submit' value='Добавить принтер'>
    </form></div><br>