How to get parent page id and title of current page in wordpress?

Question

Here is the my code, which is not working.

global $post;
echo get_the_title( wp_get_post_parent_id( $post->post->ID ) );

but this is not working.

thank you in advance.

Answer 1

For parent page id

$post->post_parent;

For current page title

$post->post_title;

Answer 2

For parent page id

<?php
  echo wp_get_post_parent_id(get_the_ID());
?>    

Answer 3

In Gutenberg:

wp.data.select('core/editor').getEditedPostAttribute('parent')

Hope will be helpful to someone