prueba:
Código PHP:
$preview = $_FILES['preview']['name'];
$theme = $_FILES['theme']['name'];
$tam_theme = $_FILES['theme']['size'];
$tam_preview = $_FILES['preview']['size'];
$nombre = sql_quote($_POST['nombre']);
$nombre = ereg_replace("[^A-Za-z0-9 -:]", "", $nombre);
$tags = $nombre;
$theme_ext = 1;
$preview_ext = strtolower(strrchr($_FILES['preview']['name'],'.'));
$theme_ext = strtolower(strrchr($_FILES['theme']['name'],'.'));
$tipo_theme = $_FILES['theme']['type'];