Yoast_Product::get_extension_url PHP Method

get_extension_url() public method

Returns the extension url if set, otherwise it will be the tracking url.
public get_extension_url ( string $link_identifier = '' ) : string
$link_identifier string
return string
        public function get_extension_url($link_identifier = '')
        {
            if ($this->extension_url) {
                return $this->add_campaign_attributes($this->extension_url, $link_identifier);
            }
            return $this->get_tracking_url($link_identifier);
        }