array(3) {
  [0]=>
  array(1) {
    ["before_widget"]=>
    string(0) ""
  }
  [1]=>
  string(0) ""
  [2]=>
  string(18) "ah_recent_posts_mu"
}

this goes into $params

I call call_user_func_array($callback, $params), where callback = mrjc_widgetize_function;

It gets to my routine, where I pick up the parameters:

function mrjc_widgetize_function($val = 'ah_recent_posts_mu', $args) {
var_dump($val);
var_dump($args);

But this prints just:

 array(1) { ["before_widget"]=>  string(0) "" } 
 string(0) ""

Why has it passed only the first inner part, of array(3) {[0]=> array(1) {
and not the rest? Is the rest available somewhere in the environment?

Thanks.