PHP Script til beregning af thermistor og data input til sql

<?
function Thermistor($Temp)
{
  $Temp = (10240000/$Temp) - 10000;
  $Temp = log( $Temp);
  $Temp = 1 / (0.001129148 + (0.000234125 * $Temp) + (0.0000000876741 * $Temp * $Temp * $Temp));
  $Temp = $Temp - 273.15;            // Convert Kelvin to Celcius
  $Temp = round($Temp, 2);
  return $Temp;
}
$temps = explode('|', $print, -1);
$TankTop = Thermistor($temps[0]);
$TankMidt = Thermistor($temps[1]);
$TankBund = Thermistor($temps[2]);
$SolIndF = Thermistor($temps[3]);
$SolUdF = Thermistor($temps[4]);
$SolIndT = Thermistor($temps[5]);
$SolUdT = Thermistor($temps[6]);
$Pumpe = $temps[7];


$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = 'password';
$conn = mysql_connect($dbhost, $dbuser, $dbpass) or die                      ('Error connecting to mysql');
$dbname = 'solfanger';
mysql_select_db($dbname);


mysql_query("INSERT INTO tempdata (tanktop, tankmidt, tankbund, fangerind, fangerud, tankind, tankud, pumpe) VALUES ('$TankTop', '$TankMidt', '$TankBund', '$SolIndF', '$SolUdF', '$SolIndT', '$SolUdT', '$Pumpe')") or die(mysql_error());


mysql_close($conn);

?>