bp_get_members_component_link( string $component, string $action = '', array|string $query_args = '', array|bool $nonce = false )

	function bp_get_members_component_link( $component, $action = '', $query_args = '', $nonce = false ) {

		// Must be displayed user.
		if ( !bp_displayed_user_id() )
			return;

		$bp = buddypress();

		// Append $action to $url if there is no $type.
		if ( !empty( $action ) )
			$url = bp_displayed_user_domain() . $bp->{$component}->slug . '/' . $action;
		else
			$url = bp_displayed_user_domain() . $bp->{$component}->slug;

		// Add a slash at the end of our user url.
		$url = trailingslashit( $url );

		// Add possible query arg.
		if ( !empty( $query_args ) && is_array( $query_args ) )
			$url = add_query_arg( $query_args, $url );

		// To nonce, or not to nonce...
		if ( true === $nonce )
			$url = wp_nonce_url( $url );
		elseif ( is_string( $nonce ) )
			$url = wp_nonce_url( $url, $nonce );

		// Return the url, if there is one.
		if ( !empty( $url ) )
			return $url;
	}