Graph::Text PHP Method

    protected function Text($text, $line_spacing, $attribs, $styles = NULL)
    {
        $lines = explode("\n", $text);
        $content = array_shift($lines);
        foreach ($lines as $line) {
            $content .= $this->Element('tspan', array('x' => $attribs['x'], 'dy' => $line_spacing), NULL, $line);
        }
        return $this->Element('text', $attribs, $styles, $content);
    }