I want a php script to password protect an uploaded XMLSpreadsheet 2003 formatted file (An Excel file). I came to know that PHPExcel library is able to convert the XMLSpreadsheet to a .xls file and can password protect that file. But due to lack of expert level knowledge of php, I am not able to do so.
probably the following link may be useful to lock Excel file using php.
[url removed, login to view]
You may also use anyother library or code to fulfill my requirement.
So if you are able or experienced PHP developer , please make bid and show demo of the working php script (for above requirement) in your website. I want the source code after accepting your bid and the payment will be within 2 hours of your bid.