frames.php
public function getResponseCode()
    {
        if (is_integer($this->focus)) {
            return $this->frames[$this->focus]->getResponseCode();
        }

        return $this->frameset->getResponseCode();
    }
public function getResponseCode()
    {
        if (is_integer($this->focus)) {
            return $this->frames[$this->focus]->getResponseCode();
        }

        return $this->frameset->getResponseCode();
    }
Accessor for last response code.

@return int    Last HTTP response code received.