PHPExcel is a library written in pure PHP and providing a set of classes that
allow you to write to and read from different spreadsheet file formats, like
Excel (BIFF) .xls, Excel 2007 (OfficeOpenXML) .xlsx, CSV, Libre/OpenOffice Calc
.ods, Gnumeric, PDF, HTML, ... This project is built around Microsoft's OpenXML
standard and PHP.
