include("config.php");
 
$result7 = mysql_query("SELECT * from order_total");
while($row = mysql_fetch_array($result7)) 
{
$test = array($row['item'].' '.$row['cost'].',');
foreach($test as $value) {
//$arr = array($value[0].$value[1].',');
 
}
echo $value;
mysql_query("UPDATE orders_complete SET ord_descr='$value' WHERE date='06/11/08' and time='13:33:53'") 
or die(mysql_error());
}

echo $value

<?php
// Assuming there is a open mysql connection
$sql = "SELECT item, cost FROM orders_total";
$result = mysql_query($sql) or die(mysql_error());
 
while($row = mysql_fetch_assoc($result)) {
  $newValue = $row['item'] .", ". $row['cost'];
  $sql = "UPDATE orders_complete SET ord_descr='$newValue ' WHERE [...]";
  if(!mysql_query($sql)) {
    user_error("Failed to update row: $newValue", E_USER_NOTICE);
  }
}
?>

exit();