Анатолий Ветринцев (Все сообщения пользователя)

public static function ReplaceDetailUrl($url, $arr, $server_name = false, $arrType = false)
{
   /** @global CDatabase $DB */
   global $DB;

   if($server_name)
   {
      $url = str_replace("#LANG#", $arr["LANG_DIR"], $url);
      if((defined("ADMIN_SECTION") && ADMIN_SECTION===true) || !defined("BX_STARTED"))
      {
         static $cache = array();
         if(!isset($cache[$arr["LID"]]))
         {
            $db_lang = CLang::GetByID($arr["LID"]);
            $arLang = $db_lang->Fetch();
            $cache[$arr["LID"]] = $arLang;
         }
         $arLang = $cache[$arr["LID"]];
         $url = str_replace("#SITE_DIR#", $arLang["DIR"], $url);
         $url = str_replace("#SERVER_NAME#", $arLang["SERVER_NAME"], $url);
      }
      else
      {
         $url = str_replace("#SITE_DIR#", SITE_DIR, $url);
         $url = str_replace("#SERVER_NAME#", SITE_SERVER_NAME, $url);
      }
   }

$arFilter = array(              
   'IBLOCK_ID' => $_REQUEST['IBLOCK_ID'],
   'IBLOCK_LID' => SITE_ID,
   'ACTIVE' => 'Y'
);
$rsList = \CIBlockElement::GetList(array(), $arFilter);
$arList = $rsList->GetNext();

...
[LANG_DIR] => /en/
[~LANG_DIR] => /en/
[LID] => en
[~LID] => en
...

SITE_ID=ru

bitrix/modules/iblock/classes/mysql/iblockelement.php:347

$sFrom .= "\t\t\tINNER JOIN b_iblock_element_prop_s".$iblock_id." FPS".$iPropCnt." ON FPS".$iPropCnt.".IBLOCK_ELEMENT_ID = BE.ID\n";

$arFilter = Array(
   array( 
        "LOGIC"=>"OR", 
        array("IBLOCK_ID"=>38, "ACTIVE"=>"Y", "PROPERTY_CML2_ARTICLE"=>"00000440109"), 
        array("IBLOCK_ID"=>49, "ACTIVE"=>"Y", "PROPERTY_CML2_ARTICLE"=>"00000440109"), 
        array("IBLOCK_ID"=>53, "ACTIVE"=>"Y", "PROPERTY_CML2_ARTICLE"=>"00000440109"), 
    ),
);

foreach($arJoinProps["FPS"] as $iblock_id => $iPropCnt)
{
   $sFrom .= "\t\t\tLEFT JOIN b_iblock_element_prop_s".$iblock_id." FPS".$iPropCnt." ON FPS".$iPropCnt.".IBLOCK_ELEMENT_ID = BE.ID\n";
   $this->arFilterIBlocks[$iblock_id] = $iblock_id;
}

$arJoinProps["FPS"]

bitrix/modules/iblock/classes/mysql/iblockelement.php:2520

function PrepareGetList(

$optionsHTML

static $optionsHTML

preg_replace

AddEventHandler("iblock", "OnIBlockPropertyBuildList", array("CUserTypeSectionLink", "GetUserTypeDescription"));

class CUserTypeSectionLink
{

    private static $Script_included = false;

    function GetUserTypeDescription()
    {
        return array(
            "USER_TYPE_ID" => "SECTION_LINK",
            "CLASS_NAME" => "CUserTypeSectionLink",
            "DESCRIPTION" => "Ссылка на раздел",
            "BASE_TYPE" => "string",
            "PROPERTY_TYPE" => "N",
            "USER_TYPE" => "SECTION_LINK",
            "GetPublicViewHTML" => array("CUserTypeSectionLink","GetPublicViewHTML"),
            "GetPropertyFieldHtml" => array("CUserTypeSectionLink","GetPropertyFieldHtml"),
        );
    }

    public static function GetPublicViewHTML($arProperty, $value, $strHTMLControlName)
    {
        return $value['VALUE'];
    }

    public function GetPropertyFieldHtml($arProperty, $value, $strHTMLControlName)
    {

        $sectionsList=array();
        $ibNames=array();

        $rsIB = CIBlock::GetList();
        while ($ib = $rsIB->GetNext()) {
            $ibNames[$ib['ID']] = $ib['NAME'];
        }

        $rsBindValues = CIBlockSection::GetList(
            array("SORT" => "ASC"),
            array(),
            false,
            array(
                "ID",
                "IBLOCK_ID",
                "IBLOCK_NAME",
                "NAME"
            ),
            false
        );
        while ($bind_value = $rsBindValues->GetNext()) {
            $sectionsList[$bind_value['IBLOCK_ID']]['NAME'] = $ibNames[$bind_value['IBLOCK_ID']];
            $sectionsList[$bind_value['IBLOCK_ID']]['SECTIONS'][] = $bind_value;
        }

        $optionsHTML='<option value=""> -=( не выбрано )=- </option>';

        foreach($sectionsList as $ib){

            $optionsHTML .= '<optgroup label="'.$ib['NAME'].'">';

            foreach($ib['SECTIONS'] as $s){
                $optionsHTML .= '<option value="'.$s["ID"].'"'.
                    ( $value["VALUE"]==$s['ID'] ? ' selected' : '' ).
                    '>'.
                    $s['NAME'].' ['.$s['ID'].']'.
                    '</option>';
            }

            $optionsHTML .= '</optgroup>';

        }

        return  '<select name="'.$strHTMLControlName["VALUE"].'">'.$optionsHTML.'</select>';

    }

}

public static function ConvertToDB($arProperty, $value)
{

    $result = array();

    if($value['VALUE']) {
        $result['VALUE'] = $value['VALUE'];
    } else if($_GET['ID']) {
        $result['VALUE'] = (int)$_GET['ID']; //ID текущего элемента, он есть в GET и доступен отсюда
    } else {
        return false;
    }

    print_r($_POST); //А здесь пусто!!! 
    //При генерации формы создаются дополнительные поля, которые при сохранении надо агрегировать.


    return false;
}