render_content example

/** * Renders the control wrapper and calls $this->render_content() for the internals. * * @since 3.4.0 */
    protected function render() {
        $id    = 'customize-control-' . str_replace( array( '[', ']' ), array( '-', '' ), $this->id );
        $class = 'customize-control customize-control-' . $this->type;

        printf( '<li id="%s" class="%s">', esc_attr( $id ), esc_attr( $class ) );
        $this->render_content();
        echo '</li>';
    }

    /** * Get the data link attribute for a setting. * * @since 3.4.0 * @since 4.9.0 Return a `data-customize-setting-key-link` attribute if a setting is not registered for the supplied setting key. * * @param string $setting_key * @return string Data link parameter, a `data-customize-setting-link` attribute if the `$setting_key` refers to a pre-registered setting, * and a `data-customize-setting-key-link` attribute if the setting is not yet registered. */