frames.php
public function getUrlsByLabel($label)
    {
        if (is_integer($this->focus)) {
            return $this->tagUrlsWithFrame(
                    $this->frames[$this->focus]->getUrlsByLabel($label),
                    $this->focus);
        }
        $urls = array();
        foreach ($this->frames as $index => $frame) {
            $urls = array_merge(
                    $urls,
                    $this->tagUrlsWithFrame(
                                $frame->getUrlsByLabel($label),
                                $index));
        }

        return $urls;
    }
public function getUrlsByLabel($label)
    {
        if (is_integer($this->focus)) {
            return $this->tagUrlsWithFrame(
                    $this->frames[$this->focus]->getUrlsByLabel($label),
                    $this->focus);
        }
        $urls = array();
        foreach ($this->frames as $index => $frame) {
            $urls = array_merge(
                    $urls,
                    $this->tagUrlsWithFrame(
                                $frame->getUrlsByLabel($label),
                                $index));
        }

        return $urls;
    }
Accessor for URLs by the link label. Label will match regardess of whitespace issues and
case.

@param string $label    Text of link.

@return array           List of links with that label.