public function appendContent($content)
    {
        if (!empty($content)) {
            if (is_array($this->content)) {
                $this->content[] = $content;
            } else {
                $this->content .= $content;
            }
        }
        return $this;
    }
public function appendContent($content)
    {
        if (!empty($content)) {
            if (is_array($this->content)) {
                $this->content[] = $content;
            } else {
                $this->content .= $content;
            }
        }
        return $this;
    }
public function appendContent ( $ content ) { if ( ! empty ( $ content ) ) { if ( is_array ( $ this -> content ) ) { $ this -> content [ ] = $ content ; } else { $ this -> content .= $ content ; } } return $ this ; }
Append content to the currently set content, whether it's currently array or string data.

@param string $content

@return $this
Append content to the currently set content whether it s currently array or string data .