function calculatePoints($hand) {
    $points = 0;
	$totalAces = 0;
	
    foreach($hand as $value) {
	  if(is_numeric($value)) { $points += $value; }
	  elseif($value != "A") { $points += 10; }
	  else { $totalAces++; }
	}
	if($points > 10) { $points += $totalAces; }
	else { $points += 11+($totalAces-1); }
  }