/**
 * Blocks feed items if the user has selected the private feed feature.
 *
 * @since  0.2.0
 * @access public
 * @param  string  $content
 * @return string
 */
function members_private_feed($content)
{
    return members_is_private_feed() ? members_get_private_feed_message() : $content;
}
    /**
     * Enable private feed field callback.
     *
     * @since  1.0.0
     * @access public
     * @return void
     */
    public function field_enable_private_feed()
    {
        ?>

		<label>
			<input type="checkbox" name="members_settings[private_feed]" value="true" <?php 
        checked(members_is_private_feed());
        ?>
 />
			<?php 
        esc_html_e('Show error message for feed items.', 'members');
        ?>
		</label>
	<?php 
    }