<?php
/**
 * Reveal the level name for a disallowed level in the PMPro content message on restricted content.
 *
 */
function show_disallowed_level_names_content_filter( $r, $post_membership_levels_ids, $post_membership_levels_names ) {
	return true;
}
add_filter( 'pmpro_membership_content_filter_disallowed_levels', 'show_disallowed_level_names_content_filter', 10, 3 );