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....72 ); $page = $document -> getPages () -> add (); $page -> getPageInfo...getPageInfo () -> setWidth ( 612.0 ); $page -> getPageInfo () -> setHeight...