<?
require_once "xls/Classes/PHPExcel.php";
# Указываем путь до файла .xlsx
$file = "file_name.xlsx";
$name = str_replace('.xlsx', '', $file);
$pExcel = PHPExcel_IOFactory::load($file);
$objWriter = PHPExcel_IOFactory::createWriter($pExcel, 'Excel5');
$objWriter->save($name . '.xls');
