Codice PHP:
if(!isset($_POST['submit'])){
$result = mysql_query("SELECT * FROM ".$_CONFIG['table_utenti']."")or die(mysql_error());
echo "<form action=".$_SERVER['PHP_SELF']." method=post>";
while ($row = mysql_fetch_array($result)) {
echo "<input type=checkbox name=check[] value=".$row['id'].">".ucfirst($row['username'])."
";
}
echo "<input type=submit name=submit value=Elimina></form>";
}else{
//echo count($_POST['delete']);
$query = "DELETE FROM ".$_CONFIG['table_utenti']." WHERE id IN (".implode(",", $_POST['check']).")";
echo $query;