EntityAddress::getDefaultLanguageId

static function getDefaultLanguageId()
{
	$languageId = '';

	if (defined("ADMIN_SECTION"))
	{
		$res = Main\SiteTable::getList(
			[
				'select' => ['LANGUAGE_ID'],
				'filter' => ['=DEF' => 'Y', '=ACTIVE' => 'Y']
			]
		);
		$row = $res->fetch();
		if (is_array($row) && isset($row['LANGUAGE_ID']))
		{
			$languageId = (string)$row['LANGUAGE_ID'];
		}
	}
	else
	{
		$languageId = LANGUAGE_ID;
	}

	if ($languageId == '')
	{
		$languageId = 'en';
	}

	return $languageId;
}