$exception_path = 'sm_vendor/exception';
 /* 
  * Filename convention: <Vendor Code>_<Document Number>_<Year>_<Payment Type>
  * 0700000001_2100000101_2015_MC
  * Process only if filename has correct number of info based on filename convention (payment type - optional)
  * Acceptable file extension: pdf, csv    
  */
 $number_returned_info = count($returned_file_info);
 if ($number_returned_info <= 2) {
     $exception_file = smv_sitecron_move_to_exception_folder($importer_id, $file);
     $csv_file_array[] = array($filename, $filename, '', '', '', '', $exception_path, $exception_file, $exception_path, '', $exception_path, '', 0, 'exception_filename_convention', '');
     continue;
 }
 //construct variables from filename info
 $vendor_no = smv_sitecron_remove_special_characters($importer_id, $returned_file_info[0]);
 $pv_number = smv_sitecron_remove_special_characters($importer_id, $returned_file_info[1]);
 $pv_year = $returned_file_info[2];
 //Managers check
 if (isset($returned_file_info[3]) && $returned_file_info[3] != "" && !empty($returned_file_info[3])) {
     $filename_mc = strtolower($returned_file_info[3]);
     $ptype = $filename_mc == 'mc' || $filename_mc == 'c' ? 1 : 0;
 } else {
     $ptype = 0;
 }
 /* 	
  * Process only if it theres existing vendor number        
  */
 $vendor_uid = smv_sitecron_vendor_uid($vendor_no);
 if (!$vendor_uid) {
     $exception_file = smv_sitecron_move_to_exception_folder($importer_id, $file);
     $csv_file_array[] = array($filename, $filename, '', '', '', '', $exception_path, $exception_file, $exception_path, '', $exception_path, '', 0, 'exception_no_vendorno', '');
     $exception_file = smv_sitecron_move_to_exception_folder($importer_id, $file);
     $csv_file_array[] = array('', $filename, $filename, '', '', '', '', '', '', 0, $exception_path, $exception_file, $exception_path, '', 'exception_filename_convention', 0, '');
     continue;
 }
 //Filename date format
 if (!smv_sitecron_validate_date_format($returned_file_info[6])) {
     $exception_file = smv_sitecron_move_to_exception_folder($importer_id, $file);
     $csv_file_array[] = array('', $filename, $filename, '', '', '', '', '', '', 0, $exception_path, $exception_file, $exception_path, '', 'exception_invalid_date', 0, '');
     continue;
 }
 //construct variables from filename info
 $po_number = smv_sitecron_remove_special_characters($importer_id, $returned_file_info[1]);
 $vendor_no = smv_sitecron_remove_special_characters($importer_id, $returned_file_info[2]);
 $po_org = smv_sitecron_remove_special_characters($importer_id, $returned_file_info[3]);
 $po_maker = smv_sitecron_remove_special_characters($importer_id, $returned_file_info[4]);
 $po_status = strtolower(smv_sitecron_remove_special_characters($importer_id, $returned_file_info[5]));
 $po_date = smv_sitecron_convert_date_to_timestamp($returned_file_info[6]);
 /* 
  * Process only if it theres existing vendor number        
  */
 $vendor_uid = smv_sitecron_vendor_uid($vendor_no);
 if (!$vendor_uid) {
     $exception_file = smv_sitecron_move_to_exception_folder($importer_id, $file);
     $csv_file_array[] = array('', $filename, $filename, '', $vendor_no, '', $po_org, $po_maker, '', 0, $exception_path, $exception_file, $exception_path, '', 'exception_no_vendorno', 0, '');
     continue;
 }
 /* 
  * Columns: PO No | Line No | Material No | Material Desc | Quantity | UOM | Unit Price | Total Price
  * Process only if it has correct number of columns (8)        
  */
 $column_count = smv_sitecron_csv_column_count($file);