bp_get_title_parts( string $seplocation = 'right' )

function bp_get_title_parts( $seplocation = 'right' ) {
	$bp = buddypress();

	// Defaults to an empty array.
	$bp_title_parts = array();

	// If this is not a BP page, return the empty array.
	if ( bp_is_blog_page() ) {
		return $bp_title_parts;
	}

	// If this is a 404, return the empty array.
	if ( is_404() ) {
		return $bp_title_parts;
	}

	// If this is the front page of the site, return the empty array.
	if ( is_front_page() || is_home() ) {
		return $bp_title_parts;
	}

	// Return the empty array if not a BuddyPress page.
	if ( ! is_buddypress() ) {
		return $bp_title_parts;
	}

	// Now we can build the BP Title Parts
	// Is there a displayed user, and do they have a name?
	$displayed_user_name = bp_get_displayed_user_fullname();

	// Displayed user.
	if ( ! empty( $displayed_user_name ) && ! is_404() ) {

		// Get the component's ID to try and get its name.
		$component_id = $component_name = bp_current_component();

		// Set empty subnav name.
		$component_subnav_name = '';

		if ( ! empty( $bp->members->nav ) ) {
			$primary_nav_item = $bp->members->nav->get_primary( array( 'slug' => $component_id ), false );
			$primary_nav_item = reset( $primary_nav_item );
		}

		// Use the component nav name.
		if ( ! empty( $primary_nav_item->name ) ) {
			$component_name = _bp_strip_spans_from_title( $primary_nav_item->name );

		// Fall back on the component ID.
		} elseif ( ! empty( $bp->{$component_id}->id ) ) {
			$component_name = ucwords( $bp->{$component_id}->id );
		}

		if ( ! empty( $bp->members->nav ) ) {
			$secondary_nav_item = $bp->members->nav->get_secondary( array(
				'parent_slug' => $component_id,
				'slug'        => bp_current_action()
			), false );

			if ( $secondary_nav_item ) {
				$secondary_nav_item = reset( $secondary_nav_item );
			}
		}

		// Append action name if we're on a member component sub-page.
		if ( ! empty( $secondary_nav_item->name ) && ! empty( $bp->canonical_stack['action'] ) ) {
			$component_subnav_name = $secondary_nav_item->name;
		}

		// If on the user profile's landing page, just use the fullname.
		if ( bp_is_current_component( $bp->default_component ) && ( bp_get_requested_url() === bp_displayed_user_domain() ) ) {
			$bp_title_parts[] = $displayed_user_name;

		// Use component name on member pages.
		} else {
			$bp_title_parts = array_merge( $bp_title_parts, array_map( 'strip_tags', array(
				$displayed_user_name,
				$component_name,
			) ) );

			// If we have a subnav name, add it separately for localization.
			if ( ! empty( $component_subnav_name ) ) {
				$bp_title_parts[] = strip_tags( $component_subnav_name );
			}
		}

	// A single item from a component other than Members.
	} elseif ( bp_is_single_item() ) {
		$component_id = bp_current_component();

		if ( ! empty( $bp->{$component_id}->nav ) ) {
			$secondary_nav_item = $bp->{$component_id}->nav->get_secondary( array(
				'parent_slug' => bp_current_item(),
				'slug'        => bp_current_action()
			), false );

			if ( $secondary_nav_item ) {
				$secondary_nav_item = reset( $secondary_nav_item );
			}
		}

		$single_item_subnav = '';

		if ( ! empty( $secondary_nav_item->name ) ) {
			$single_item_subnav = $secondary_nav_item->name;
		}

		$bp_title_parts = array( $bp->bp_options_title, $single_item_subnav );

	// An index or directory.
	} elseif ( bp_is_directory() ) {
		$current_component = bp_current_component();

		// No current component (when does this happen?).
		$bp_title_parts = array( __( 'Directory', 'buddyboss' ) );

		if ( ! empty( $current_component ) ) {
			$bp_title_parts = array( bp_get_directory_title( $current_component ) );
		}

	// Sign up page.
	} elseif ( bp_is_register_page() ) {
		$bp_title_parts = array( __( 'Create an Account', 'buddyboss' ) );

	// Activation page.
	} elseif ( bp_is_activation_page() ) {
		$bp_title_parts = array( __( 'Activate Your Account', 'buddyboss' ) );

	// Group creation page.
	} elseif ( bp_is_group_create() ) {
		$bp_title_parts = array( __( 'Create a Group', 'buddyboss' ) );

	// Blog creation page.
	} elseif ( bp_is_create_blog() ) {
		$bp_title_parts = array( __( 'Create a Site', 'buddyboss' ) );
	}

	// Strip spans.
	$bp_title_parts = array_map( '_bp_strip_spans_from_title', $bp_title_parts );

	// Sep on right, so reverse the order.
	if ( 'right' === $seplocation ) {
		$bp_title_parts = array_reverse( $bp_title_parts );
	}

	/**
	 * Filter BuddyPress title parts before joining.
	 *
	 * @since BuddyPress 2.4.3
	 *
	 * @param array $bp_title_parts Current BuddyPress title parts.
	 * @return array
	 */
	return (array) apply_filters( 'bp_get_title_parts', $bp_title_parts );
}