get_post_parent() │ WP 5.7.0

Gets the parent post object for the specified or current post in the loop.

If you need to check for the existence of a parent post, use the function has_post_parent().

Uses: get_post()
Used By: has_post_parent()

No Hooks.

Returns

WP_Post|null. WP_Post object of the parent post or null, if it does not exist.

Usage

get_post_parent( $post );
$post(int/WP_Post/null)
ID of the post or its object for which to get the parent post.
Default: global $post

Examples

0

#1 Display the title of the parent post 

$child_post_id = 5;
$parent_post = get_post_parent( $post );

if ( $parent_post ) {
	echo 'The title of the parent post: ' . get_the_title( $parent_post );
}
else {
	echo 'The specified post does not have a parent post;
}

Changelog

Since 5.7.0 Introduced.

get_post_parent() code WP 7.0

wp-includes/post-template.php 
function get_post_parent( $post = null ) {
	$wp_post = get_post( $post );
	return ! empty( $wp_post->post_parent ) ? get_post( $wp_post->post_parent ) : null;
}

Other