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....)); $worksheets = $ptr -> Get ( $workbook , "Worksheets" , array...()); $sheet = $ptr -> Get ( $worksheets , 'Item' , array ( 0 ));...