codice:
<?php
$data = date ("d - m - Y"); 
$username = $_GET ["login"];

include ("dbconnect.php");
$username = $_GET ["login"];
if (isset($_POST["nome"]){ 
$nom = $_POST ["nome"];
$cogno = $_POST ["cognome"];
$usern  = $_POST ["user"]; 
$password = $_POST ["password"];
$email = $_POST ["email"];

if ($nom =="" and $cogno =="" and $usern =="" and $password=="")
 {
echo "<script language> window.alert(\"Inserire tutti i campi\"); </script>";
}
else
{

$insert = "insert into login (nome,cognome,user,password,email)
values ('$nom','$cogno','$usern','$password','$email')";

mysql_query($insert) or die (mysql_error());

$check = mysql_query ("select * from login where nome = '$nom' and user = '$usern'")
or die (mysql_error());
while ($row = mysql_fetch_array ($check))

$checknome = $row ['nome'];
$checkcogn = $row ['cognome'];
$checkuser = $row ['user'];

echo "<script language> window.alert(\"Inserimento effettuato con successo\"); </script>";

}
} else { 
?>

<html>

<body>


<form method ="post" action = "gestioneaccount.php?login=<? echo $username; ?>">
Nome : <input type="text" name="nome" size="27" style="font-family: Arial; font-size: 8 pt; font-weight: bold">

Cognome :<input type="text" name="cognome" size="27" style="font-family: Arial; font-size: 8 pt; font-weight: bold">

User:<input type="text" name="user" size="27" style="font-family: Arial; font-size: 8 pt; font-weight: bold">

Password :<input type="text" name="password" size="27" style="font-family: Arial; font-size: 8 pt; font-weight: bold"></td>

Email:<input type="text" name="email" size="27" style="font-family: Arial; font-size: 8 pt; font-weight: bold"></td>

<input type="submit" value="Invia" name="B1" style="font-family: Arial; font-size: 8 pt; font-weight: bold">

<input type="reset" value="Reset" name="B2" style="font-family: Arial; font-size: 8 pt; font-weight: bold

</form>

</body>

</html>
<? } ?>