bp_get_thread( array|string $args = '' )

function bp_get_thread( $args = '' ) {
	global $thread_template;

	$r = bp_parse_args( $args, array(
		'thread_id'         => false,
		'order'             => 'DESC',
		'update_meta_cache' => true,
	), 'thread_has_messages' );

	if ( empty( $r['thread_id'] ) && bp_is_messages_component() && bp_is_current_action( 'view' ) ) {
		$r['thread_id'] = (int) bp_action_variable( 0 );
	}

	// Set up extra args.
	$extra_args = $r;
	unset( $extra_args['thread_id'], $extra_args['order'] );

	$thread_template = new BP_Messages_Thread_Template( $r['thread_id'], $r['order'], $extra_args );

	return $thread_template;
}