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<?php
//session_start();
ini_set('memory_limit', '512M');
$error = "";
$msg = "";
$i = $_GET['i'];
$_SESSION['optFormat'] = $_GET['optFormat'];
$fileElementName = "fileToUpload".$i;
if(!empty($_FILES[$fileElementName]['error']))
{
switch($_FILES[$fileElementName]['error'])
{

case '1':
$error = 'The uploaded file exceeds the upload_max_filesize directive in php.ini';
break;
case '2':
$error = 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form';
break;
case '3':
$error = 'The uploaded file was only partially uploaded';
break;
case '4':
$error = 'No file was uploaded.';
break;
case '6':
$error = 'Missing a temporary folder';
break;
case '7'