There is an unsaved comment in progress. You will lose your changes if you continue. Are you sure you want to reopen the work item?
Excel 2007 - Macros - CustomUI
You will find in the attachment the modified and added files to PHPExcel v1.7.8 to enable reading and writing macros, elements of customizing the Ribbon in Excel 2007.
Signed macros are handled, "user" images of the Ribbon also .
If this is of any interest, some improvements can be made, for example the use of caching system to preserve the memory.