<?
$db['table'] = "versioni";

if (!(IsSet($_GET['titolo'])) || !(IsSet($_GET['autore'])))
{
    echo "
   <form action=\"".$url['site']."?page=versioni\" method=\"GET\" />
   <input  type=\"hidden\" value=\"versioni\" name=\"page\" />
   <input type=\"text\" name=\"titolo\" />
   <input type=\"text\" name=\"autore\" />
   <input type=\"submit\" />";
}
else
{
   $query = mysql_query("SELECT * FROM ".$db['table']." WHERE name = '".$_GET['titolo']."' OR author = '".$_GET['autore']."'") or die ("Query fallita: ".mysql_error());
   $row = mysql_num_rows($query);
   if($row == 0)
   {
       echo "non trovo la versione";
   }
   else
   {
        $row = mysql_fetch_assoc($query);
        $versione = $row['versione'];
        echo $versione;
   }
}
?>