CPhotogalleryElement::CheckElement

static function CheckElement($ID, &$arElement, &$arSection, &$arGallery)
{
	$ID = doubleval($ID); 
	
	if ($ID <= 0)
		return false; 
	$arSelect = array(
		"ID",
		"IBLOCK_ID",
		"IBLOCK_SECTION_ID");
	$db_res = CIBlockElement::GetList(array(), array("ID" => $ID), false, false, $arSelect); 
	if (!($db_res && $arElement = $db_res->Fetch()))
	{
		return false;
	}
	elseif (doubleval($arElement["IBLOCK_SECTION_ID"]) <= 0)
	{
		return false;
	}
	$tmp_db_res = CIBlockElement::GetProperty($arElement["IBLOCK_ID"], $ID, $by = "sort", $order = "asc", array("CODE" => "REAL_PICTURE")); 
	if ($tmp_db_res && $tmp_res = $tmp_db_res->Fetch())
	{
		$arElement["PROPERTY_REAL_PICTURE_VALUE"] = $tmp_res["VALUE"]; 
		$arElement["PROPERTY_REAL_PICTURE_VALUE_ID"] = $tmp_res["PROPERTY_VALUE_ID"]; 
	}
	
	if (!is_set($GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"], $arElement["IBLOCK_ID"]))
	{
		$GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"][$arElement["IBLOCK_ID"]] = false;
		$db_res = CUserTypeEntity::GetList(array($by=>$order), array("ENTITY_ID" => "IBLOCK_".$arElement["IBLOCK_ID"]."_SECTION", "FIELD_NAME" => "UF_GALLERY_SIZE"));
		if ($db_res && $res = $db_res->Fetch())
			$GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"][$arElement["IBLOCK_ID"]] = true;
	}
	if ($GLOBALS["PHOTOGALLERY_VARS"]["arIBlock"][$arElement["IBLOCK_ID"]] === false)
	{
		return false; 
	}
	$arElement["FILE"] = CFile::GetFileArray($arElement["PROPERTY_REAL_PICTURE_VALUE"]);
	if ($arElement["FILE"])
		$arElement["FILE"]["FILE_SIZE"] = doubleval($arElement["FILE"]["FILE_SIZE"]); 
	else
		return false;

	if (empty($GLOBALS["PHOTOGALLERY_VARS"]["arSections"][$arElement["IBLOCK_SECTION_ID"]]))
	{
		$db_res = CIBlockSection::GetList(
			array(), 
			array("ID" => $arElement["IBLOCK_SECTION_ID"]), 
			false, 
			array("ID", "NAME", "CREATED_BY", "IBLOCK_SECTION_ID", "RIGHT_MARGIN", "LEFT_MARGIN"));
		$GLOBALS["PHOTOGALLERY_VARS"]["arSections"][$arElement["IBLOCK_SECTION_ID"]] = $db_res->Fetch();
	}
	$arSection = $GLOBALS["PHOTOGALLERY_VARS"]["arSections"][$arElement["IBLOCK_SECTION_ID"]]; 
	
	$iGalleryID = 0; 
	if (!empty($GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]]))
	{
		$iGalleryID = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]]; 
	}
	elseif (!empty($GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"]))
	{
		foreach ($GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"] as $id => $val)
		{
			if (doubleval($val["RIGHT_MARGIN"]) > doubleval($arSection["RIGHT_MARGIN"]) && 
				doubleval($val["LEFT_MARGIN"]) < doubleval($arSection["LEFT_MARGIN"]))
			{
				$iGalleryID = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]] = $id; 
				break; 
			}
		}
	}
	if ($iGalleryID <= 0)
	{
		$arFilter = array(
			"IBLOCK_ID" => $arElement["IBLOCK_ID"], 
			"SECTION_ID" => 0); 
		if (doubleval($arSection["IBLOCK_SECTION_ID"]) > 0)
		{
			$arFilter += array(
				"!LEFT_MARGIN" => $arSection["LEFT_MARGIN"], 
				"!RIGHT_MARGIN" => $arSection["RIGHT_MARGIN"], 
				"!ID" => $arSection["ID"]); 
		}
		else
		{
			$arFilter["ID"] = $arSection["ID"]; 
		}
		
		$db_res = CIBlockSection::GetList(
			array(), 
			$arFilter, 
			false, 
			array("ID", "NAME", "CREATED_BY", "RIGHT_MARGIN", "LEFT_MARGIN", "UF_GALLERY_SIZE", "UF_GALLERY_RECALC"));
		if ($db_res && $res = $db_res->Fetch())
		{
			$GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$res["ID"]] = $res; 
			$iGalleryID = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleriesID"][$arSection["ID"]] = intval($res["ID"]);
		}
	}
	$arGallery = array(); 
	$iGalleryID = intval($iGalleryID);
	if ($iGalleryID > 0)
	{
		if (empty($GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$iGalleryID]))
		{
			$db_res = CIBlockSection::GetList(array(), array("ID" => $iGalleryID), false, 
				array("ID", "NAME", "CREATED_BY", "RIGHT_MARGIN", "LEFT_MARGIN", "UF_GALLERY_SIZE", "UF_GALLERY_RECALC"));
			$GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$iGalleryID] = $db_res->Fetch(); 
		}
		$arGallery = $GLOBALS["PHOTOGALLERY_VARS"]["arGalleries"][$iGalleryID]; 
	}
	return true; 
}