Youzify - BuddyPress Show Hidden Groups for Joined Members.

yzc_show_hidden_groups_for_members.php

<?php

/**
 * Youzify - BuddyPress Show Hidden Groups for Joined Members.
 */
function yzc_show_hidden_groups_for_members( $loop ) {

    if ( ! is_user_logged_in() ) {
        return $loop;
    }
    
  $loop['show_hidden'] = true;

    if ( is_super_admin()) {
        return $loop;
    }

    if ( bp_is_groups_directory() ) {
        $hidden_groups = groups_get_groups( array( 'status' => array( 'hidden' ), 'show_hidden' => true, 'fields' => 'ids', 'per_page' => -1 ) );
        if ( $hidden_groups['total'] > 0 ) {

            $args = array(
                'user_id' => bp_loggedin_user_id(),
                'status' => array( 'hidden' ),
                'show_hidden' => true,
                'per_page' => -1,
                'fields'    => 'ids',
            );

            $user_groups = groups_get_groups( $args );

            if ( $user_groups['total'] > 0 ) {
                foreach ($hidden_groups['groups'] as $key => $group_id ) {
                    if ( in_array( $group_id,  $user_groups['groups'] )) {
                        unset( $hidden_groups['groups'][ $key ] );
                    }
                }
            }

            if ( ! empty($hidden_groups['groups'])) {

            $loop['exclude'] = $hidden_groups['groups'];
            }
        }

    }

    return $loop;
}

add_filter( 'bp_after_has_groups_parse_args', 'yzc_show_hidden_groups_for_members' );