mock_objects.php
public function add($parameters, $action)
    {
        $place                        = count($this->map);
        $this->map[$place]            = array();
        $this->map[$place]['params']  = new ParametersExpectation($parameters);
        $this->map[$place]['content'] = $action;
    }
public function add($parameters, $action)
    {
        $place                        = count($this->map);
        $this->map[$place]            = array();
        $this->map[$place]['params']  = new ParametersExpectation($parameters);
        $this->map[$place]['content'] = $action;
    }
Stashes a reference against a method call.

@param array $parameters    Array of arguments (including wildcards).
@param mixed $action        Reference placed in the map.