get_post_ancestors( int|WP_Post $post )
Retrieve ancestors of a post.
Parameters Parameters
- $post
-
(int|WP_Post) (Required) Post ID or post object.
Return Return
(int[]) Ancestor IDs or empty array if none are found.
Source Source
File: wp-includes/post.php
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function get_post_ancestors( $post ) { $post = get_post( $post ); if ( ! $post || empty( $post->post_parent ) || $post->post_parent == $post->ID ) { return array(); } $ancestors = array(); $id = $post->post_parent; $ancestors[] = $id; while ( $ancestor = get_post( $id ) ) { // Loop detection: If the ancestor has been seen before, break. if ( empty( $ancestor->post_parent ) || ( $ancestor->post_parent == $post->ID ) || in_array( $ancestor->post_parent, $ancestors, true ) ) { break; } $id = $ancestor->post_parent; $ancestors[] = $id; } return $ancestors;} |
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Changelog Changelog
| Version | Description |
|---|---|
| 2.5.0 | Introduced. |