Фильтр элементов

CModule::IncludeModule('iblock');

$arSort = array();
$arSelect = Array("ID", "NAME","PREVIEW_TEXT","PREVIEW_PICTURE","DETAIL_PICTURE","DETAIL_TEXT","PROPERTY_COUNTRY");
$arFilter = Array(
    "IBLOCK_ID"=>9,
    "ACTIVE"=>"Y",
);
if (true){
    $arFilter['PROPERTY_COUNTRY'] = "ireland";
}

$rsElements = CIBlockElement::GetList($arSort, $arFilter, false, array("nPageSize" => 10, "bShowAll" => false), $arSelect);
while( $arElement = $rsElements->fetch() )
{
var_dump($arElement);
}