wp_get_post_parent_id

Return the post's parent's post_ID.

Description

(int|false) wp_get_post_parent_id( (int) $post_ID ); 

Returns (int|false)

Post parent ID, otherwise false.

Parameters (1)

0. $post_id (int)
The post id.

Usage

  1. if ( !function_exists( 'wp_get_post_parent_id' ) ) { 
  2.     require_once ABSPATH . WPINC . '/post.php'; 
  3. } 
  4.   
  5. // The post id. 
  6. $post_id = -1; 
  7.   
  8. // NOTICE! Understand what this does before running. 
  9. $result = wp_get_post_parent_id($post_id); 
  10.     

Defined (1)

The function is defined in the following location(s).

/wp-includes/post.php  
  1. function wp_get_post_parent_id( $post_ID ) { 
  2.     $post = get_post( $post_ID ); 
  3.     if ( !$post || is_wp_error( $post ) ) 
  4.         return false; 
  5.     return (int) $post->post_parent; 
  6. }