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....$pres = new Presentation (); try { $userRulesList = new FontFallBackRulesCol...(); $userRulesList -> add ( new FontFallBackRule ( 0xb80 , 0xbff...