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_reset_front_page_settings_for_post( int $post_id )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Reset the page_on_front, show_on_front, and page_for_post settings when a linked page is deleted or trashed.

Description

Also ensures the post is no longer sticky.

Parameters

$post_id

(int) (Required) Post ID.

Source

File: wp-includes/post.php 

function _reset_front_page_settings_for_post( $post_id ) {
	$post = get_post( $post_id );

	if ( 'page' === $post->post_type ) {
		/*
		 * If the page is defined in option page_on_front or post_for_posts,
		 * adjust the corresponding options.
		 */
		if ( get_option( 'page_on_front' ) == $post->ID ) {
			update_option( 'show_on_front', 'posts' );
			update_option( 'page_on_front', 0 );
		}
		if ( get_option( 'page_for_posts' ) == $post->ID ) {
			update_option( 'page_for_posts', 0 );
		}
	}

	unstick_post( $post->ID );
}

Uses

Uses Description
wp-includes/option.php: update_option()

Updates the value of an option that was already added.
wp-includes/option.php: get_option()

Retrieves an option value based on an option name.
wp-includes/post.php: unstick_post()

Un-stick a post.
wp-includes/post.php: get_post()

Retrieves post data given a post ID or post object.

Changelog

Version Description
3.7.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_reset_front_page_settings_for_post