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....getAuthor (); print "Creation Date:-" . $doc_info -> getCreationDate...getKeywords (); print "Modify Date:-" . $doc_info -> getModDate...