function bp_migrate_directory_page_titles() {
	$bp_pages = bp_core_get_directory_page_ids( 'all' );

	$default_titles = bp_core_get_directory_page_default_titles();

	$legacy_titles = array(
		'activity' => _x( 'Site-Wide Activity', 'component directory title', 'buddypress' ),
		'blogs'    => _x( 'Sites', 'component directory title', 'buddypress' ),
		'groups'   => _x( 'Groups', 'component directory title', 'buddypress' ),
		'members'  => _x( 'Members', 'component directory title', 'buddypress' ),
	);

	foreach ( $bp_pages as $component => $page_id ) {
		if ( ! isset( $legacy_titles[ $component ] ) ) {
			continue;
		}

		$page = get_post( $page_id );
		if ( ! $page ) {
			continue;
		}

		// If the admin has changed the default title, don't touch it.
		if ( isset( $default_titles[ $component ] ) && $default_titles[ $component ] !== $page->post_title ) {
			continue;
		}

		// If the saved page title is the same as the legacy title, there's nothing to do.
		if ( $legacy_titles[ $component ] == $page->post_title ) {
			continue;
		}

		// Update the page with the legacy title.
		wp_update_post( array(
			'ID' => $page_id,
			'post_title' => $legacy_titles[ $component ],
		) );
	}
}