P

function BDSM($year, $month, $day) {
	$bdsm = new Database();
	$a = [];
	if (!empty($year)) {
		if (!empty($month)) {
			if (!empty($day)) {
				$a = $bdsm->query("SELECT `power` FROM `watt` WHERE `date` LIKE '{$year}-{$month}-{$day}%'");
			}
			else {
				$a = $bdsm->query("SELECT `power` FROM `watt` WHERE `date` LIKE '{$year}-{$month}%'");
			}
		}
		else {
			$a = $bdsm->query("SELECT `power` FROM `watt` WHERE `date` LIKE '{$year}%'");
		}
	}

	/*else {
		$a = $bdsm->query("SELECT * FROM `watt`");
	}*/
	unset($bdsm);
	return $a;
}