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....pptx" ); $chart = $pres -> getSlides () -> get_Item...get_Item ( 0 ); $series = $chart -> getChartData () -> getSeries...