If you're starting from scratch, you can create a blank file and code all the page content except for the sidebar. Insert the following PHP code where you would like your sidebar to begin.

In C, variable type enforcement is handled by the compiler; a user’s code must handle cleaning up resources and avoiding buffer overflows. PHP is a high-level language; resource, memory ...

The latter compiles PHP code to C++ code for fast execution, yielding a near-tenfold increase in performance. Both are still relatively new innovations, so their long-term impact on PHP has yet to ...