Method setBuffer

/**
 * Set the contents a document includes
 *
 * @param   string  $content  The content to be set in the buffer.
 * @param   array   $options  Array of optional elements.
 *
 * @return  HtmlDocument instance of $this to allow chaining
 *
 * @since   1.7.0
 */
public function setBuffer($content, $options = array())
{
    // The following code is just for backward compatibility.
    if (\func_num_args() > 1 && !\is_array($options)) {
        $args = \func_get_args();
        $options = array();
        $options['type'] = $args[1];
        $options['name'] = $args[2] ?? null;
        $options['title'] = $args[3] ?? null;
    }
    parent::$_buffer[$options['type']][$options['name']][$options['title']] = $content;
    return $this;
}