member-directory-tab-filter.php

/**
 * Display member types at member directory tabs.
 */
function wb_member_types_display_directory_tabs() {
    $member_types = bp_get_member_types( array(), 'objects' );
    foreach ( $member_types as $member_type ) :
        ?>
    <li id="members-<?php echo esc_attr( $member_type->name ); ?>">
        <a href="<?php bp_members_directory_permalink(); ?>"><?php printf( '%s <span>%d</span>', $member_type->labels['name'], wb_members_by_count_member_types( $member_type->name ) ); ?></a>
    </li>
        <?php
    endforeach;
}
add_action( 'bp_members_directory_member_types', 'wb_member_types_display_directory_tabs' );

/**
 * Members Counts by Member types.
 *
 * @param string $member_type Member type.
 * @param string $taxonomy Member type taxonomy.
 */
function wb_members_by_count_member_types( $member_type = '', $taxonomy = 'bp_member_type' ) {
    global $wpdb;
    $member_types = bp_get_member_types();
    if ( empty( $member_type ) || empty( $member_types[ $member_type ] ) ) {
        return false;
    }
    $count_types = wp_cache_get( 'using_mt_count_member_types', 'using_mt_bp_member_type' );
    if ( ! $count_types ) {
        if ( ! bp_is_root_blog() ) {
            switch_to_blog( bp_get_root_blog_id() );
        }
        $sql         = array(
            'select' => "SELECT t.slug, tt.count FROM {$wpdb->term_taxonomy} tt LEFT JOIN {$wpdb->terms} t",
            'on'     => 'ON tt.term_id = t.term_id',
            'where'  => $wpdb->prepare( 'WHERE tt.taxonomy = %s', $taxonomy ),
        );
        $count_types = $wpdb->get_results( join( ' ', $sql ) );
        wp_cache_set( 'using_mt_count_member_types', $count_types, 'using_mt_bp_member_type' );
        restore_current_blog();
    }
    $type_count = wp_filter_object_list( $count_types, array( 'slug' => $member_type ), 'and', 'count' );
    $type_count = array_values( $type_count );
    if ( empty( $type_count ) ) {
        return 0;
    }
    return (int) $type_count[0];
}

/**
 * Sorting Members by member types.
 *
 * @param string $args
 */
function wb_sorting_members_by_member_types( $args = array() ) {
    $member_types = bp_get_member_types();
    if ( ! empty( $args['scope'] ) && ! empty( $member_types[ $args['scope'] ] ) ) {
        $args['member_type'] = $args['scope'];
    }
    return $args;
}
add_filter( 'bp_before_has_members_parse_args', 'wb_sorting_members_by_member_types', 10, 1 );