file upload

["Han" <han@xxxxxxxxxxxxx>]

Hello,

I'm having a problem with a file upload. The following works on one server I 
use : -

---------------------------------------------------------------------------
function add_me(){
global $filename;
global $maxFileSize;
global $yourdirectory;

// put this in a file that is called by your webpage with a form
// use the form file input type and call it 'file'

   $maxFileSize =  204800;
   $filename = $_FILES['file']['tmp_name'];
echo "f is ".$filename;

   if (file_exists($filename))
   {
    // open the file
       $handle = fopen($filename, "r");

    // 1. read the file in line by line
       while (!feof($handle))
    {
      $buffer = fgets($handle, 4096);

     // if you were reading a text file you can
     // do any operations on each line as you go here
       }


    // 2. otherwise just read the whole file
    // in one go, e.g. for an image.
     $buffer = fgets($handle, 4096);

    // then you can write to the database or
    // do whatever with it here

    // close the file
       fclose($handle);
   }


$uploaddir = '/home/folder1/htdocs/folder2/'.myfolder.'/';
echo "<BR>YYYYYYYYYYY ".$uploaddir;

$uploadfile2 = $_FILES['file']['tmp_name'];
$uploadfile2 = preg_replace("/\/tmp\//", "", $uploadfile2);

$uploadfile = $uploaddir . $uploadfile2 .".gif";


//$$uploadfile2 =~ s/\/[a-zA-Z]\///g;

//print "<pre>";
if (move_uploaded_file($_FILES['file']['tmp_name'], $uploadfile)) {
   print "File is valid, and was successfully uploaded. ";
} else {
   print "Possible file upload attack!  Here's some debugging info:\n";
}
//print "</pre>$uploadfile";

chmod($uploadfile,0777);

----------------------------------------------------------

But when I use this same code on a different server, it doesn't work as 
there seem to be no $_FILES['file']['tmp_name'].
Is $_FILES['file']['tmp_name'] something configured by the server (I'm using 
Apache on a Linux system), or something default within PHP itself?


Han.

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