Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....property to the Excel file $publisher = $ptr -> Call ( $customDocPropColl...$customDocPropColl , "Add" , array ( "Publisher" , "Aspose" )); //Add link...