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....remove() $pres = new Presentation (); $chart = $pres -> getSlides...remove() } $pres -> save ( "presentation.pptx" , SaveFormat :: Pptx...