Landing::ping

static function ping($id, $deleted = false)
{
	$returnCheckDelete = false;
	$filter = [
		'ID' => $id
	];

	if ($deleted)
	{
		if (self::$checkDelete)
		{
			$returnCheckDelete = true;
			self::$checkDelete = false;
		}
		$filter['=DELETED'] = ['Y', 'N'];
	}

	$check = self::getList([
		'select' => [
			'ID'
		],
			'filter' => $filter
	]);

	if ($returnCheckDelete)
	{
		self::$checkDelete = true;
	}

	return (boolean) $check->fetch();
}