suppose we have this:

class utility {

   function general_purpose($parm) {
     some_process or
     die("classname::callerfunction error with parm $parm") ;


class someclass {

   var $utility;

   function someclass() {
     $this->utility = new utility;

   function do_something() {


Now, is there anyway we can trace that utility::general_purpose() is 
being called from within someclass::do_something() without explicitely 
passing a string among utility::general_purpose() parameters?

Apart from leading to more compact code writing this would avoid typo 
errors and give a more accurate tracing system. I am sure it can be 
done, but I cannot figure out how to do it myself.




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