The parent_dropdown() WordPress PHP function prints out option HTML elements for the page parents drop-down.
Usage
To use the parent_dropdown() function, you can call it with optional parameters to customize the output. Here’s an example:
parent_dropdown(5, 0, 0, $post);
This will generate a drop-down menu with the default page pre-selected as page ID 5.
Parameters
$default_page(int) Optional: The default page ID to be pre-selected. Default 0.$parent_page(int) Optional: The parent page ID. Default 0.$level(int) Optional: Page depth level. Default 0.$post(int|WP_Post) Optional: Post ID or WP_Post object. Default: null.
More information
See WordPress Developer Resources: parent_dropdown()
Examples
Basic usage of parent_dropdown
Generate a default drop-down menu for selecting a parent page.
parent_dropdown();
Pre-select a specific page
Generate a drop-down menu with a specific page pre-selected by ID.
parent_dropdown(12);
Display only children of a specific page
Generate a drop-down menu displaying only children of a specific parent page.
parent_dropdown(0, 8);
Set the depth level of pages
Generate a drop-down menu with a specific depth level.
parent_dropdown(0, 0, 2);
Use a WP_Post object as the last parameter
Generate a drop-down menu using a WP_Post object.
$post = get_post(15); parent_dropdown(0, 0, 0, $post);