11. Modify the following PHP code in such a way that you trigger the exception-handling mechanism using the myException class. ___ new ___($msg, $code); 12. Modify the following PHP code such that it runs cleanly. ___ { // do something, maybe throw some exceptions } ___ (Exception $e) { // handle exception } 13. Modify the following code to trap exceptions of the myException class and store the results in the variable $e. catch (___ ___) { // handle exception }