Scripot de Upload ¿No sirve con Archivos de Excel? Ayuda

[Rycmo]

<form method="post" action="upload.php" enctype="multipart/form-data">
<input name="userfile[]" type="file">
<input name="userfile[]" type="file">
<input name="userfile[]" type="file">
<input name="userfile[]" type="file">
<input name="userfile[]" type="file">
<input name="userfile[]" type="file">
<input type="submit" value="Upload!!!" >
</form>


<?
for($i=0;$i<sizeof($userfile);$i++)
{
if(!$userfile_size[$i])
continue;

$UPLOAD = fopen( $userfile[$i], "r" );
$contents = fread( $UPLOAD,$userfile_size[$i]);
fclose( $UPLOAD );
$SAVEFILE = fopen("upload//".$userfile_name[$i], "wb" );
fwrite( $SAVEFILE, $contents,$userfile_size[$i] );
fclose( $SAVEFILE );
}
echo "Server HaD Receive the Upload Files!";

?>


Lo encontre en webtutorial, no se si te sirva
un saludo