ok ho modificato il codice così:
codice:
<?php  
 /***********************************************  
  * Snippet Name : File Uploader                *  
  * Scripted By  : Hermawan Haryanto            *  
  * Website      : http://hermawan.com *  
  * Email        : hermawan@codewalkers.com        *  
  * License      : GPL (General Public License) *  
  ***********************************************/   
  $numoffile = 5;  
  // Fix path of your file to be uploaded, don't forget to CHMOD 777 to this folder  
  $file_dir  = "/membri2/dariodario/";  
  $add_slash = "/";
  if ($_POST) {  
    for ($i=0;$i<$numoffile;$i++) {  
      if (trim($_FILES['myfiles']['name'][$i])!="") {  
        $newfile = $file_dir.$_POST['folder'].$add_slash.$_FILES['myfiles']['name'][$i];
        move_uploaded_file($_FILES['myfiles']['tmp_name'][$i], $newfile);  
        $j++;  
      }  
    }  
  }  
  if (isset($j)&&$j>0) print "Your file(s) has been uploaded.
";  
  print "<form method='post' enctype='multipart/form-data'>"; 
  print "<input type='text' name='folder'>
";
  for($i=0;$i<$numoffile;$i++) {  
    print "<input type='file' name='myfiles[]' size='30'>
";  
  }  
  print "<input type='submit' name='action' value='Upload'>";  
  print "</form>";  
?>
ho dovuto aggiungere lo "/" in una maniera un po' strana... ma funziona! grazie mille!