Extending Excel is a reason to use VBA, not the C/C++/C# most of Excel itself is written in. Extending Wordpress is a reason to use PHP. In both cases, the mer

Extending Excel is a reason to use VBA, not the C/C++/C# most of Excel itself is written in. Extending Wordpress is a reason to use PHP. In both cases, the merits of the extension language are almost irrelevant; people use them because they're the extension language for a popular platform.