Documents

PHPExcel documents

• Project guidelines on Contribute page

File format documentation

OpenXML / SpreadsheetML

• http://www.ecma-international.org/news/TC45_current_work/TC45_available_docs.htm

OpenXML Explained e-book

• http://openxmldeveloper.org/articles/1970.aspx

GoogleSpreadsheets

• http://code.google.com/apis/spreadsheets/gdata.html

Tools

• Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats http://www.microsoft.com/downloads/details.aspx?familyid=941b3470-3ae9-4aee-8f43-c6bb74cd1466&displaylang=en
• OpenXML Package Explorer http://www.codeplex.com/PackageExplorer/

Links

• English PHPExcel tutorial http://openxmldeveloper.org/articles/4606.aspx
• French PHPExcel tutorial http://g-ernaelsten.developpez.com/tutoriels/excel2007/PHPExcel.pdf (updated)
• Web-junior has posted a number of entries in Russian on his blog about how to use PHPExcel http://www.web-junior.net/sozdanie-excel-fajjlov-s-pomoshhyu-phpexcel/
• A Japanese-language introduction to PHPExcel http://journal.mycom.co.jp/articles/2009/03/06/phpexcel/index.html

PHP Libraries

OpenXML

• http://www.codeplex.com/PHPExcel ;-)

ODF

• http://www.fallengods.com/blog/php-opendocument-library/

Excel (BIFF)

• http://sourceforge.net/projects/phpexcelreader
• http://pear.php.net/package/Spreadsheet_Excel_Writer/

Links

OpenXML

• http://grandfather.developpez.com/articles/openxml/php/lecture/