/**
     * Enable Private Site
     * @since 0.1.0
     */
    public function settings_field_rss_feed_error_msg()
    {
        ?>
		<textarea name="<?php 
        echo esc_attr($this->option_name . '[rss_error]');
        ?>
" class="regular-text"><?php 
        echo esc_textarea(fx_private_site_sanitize_rss_error(fx_private_site_get_option('rss_error', _x('You must be logged into the site to view this content.', 'default RSS Feed error message', 'fx-private-site'))));
        ?>
</textarea>
		<p class="description"><?php 
        _ex('If site is set to private, this error message will replace RSS feed content.', 'settings page', 'fx-private-site');
        ?>
</p>
	<?php 
    }
/**
 * Blocks feed items if the user has selected the private feed feature.
 *
 * @since  0.1.0
 * @author Justin Tadlock <*****@*****.**>
 * @copyright Copyright (c) 2009 - 2016, Justin Tadlock
 */
function fx_private_site_feed_content($content)
{
    if (true === fx_private_site_get_option('enable', false)) {
        return fx_private_site_get_option('rss_error', _x('You must be logged into the site to view this content.', 'default RSS Feed error message', 'fx-private-site'));
    }
    return $content;
}