Dropdown to set parent page

<?php //Check if this is an existing post if (isset( $post_id )) { //Fetch the post_parent $parentquery = new WP_Query( 'page_id='.$post_id ); while ( $parentquery->have_posts() ) { $parentquery->the_post(); echo 'postID is: ' . $post_id . '<br>'; echo 'Is a page' . is_page() . '<br>'; echo 'The title is' . $post->post_title . '<br>'; echo 'Post Parent is: ' . $post->post_parent . '<br>'; $hasparent = $post->post_parent; var_dump($hasparent); } wp_reset_postdata(); //Reset the query //Set the arguments with a selected parent if possible, and exclude the current page from the list and limit it to top level pages. $parentargs = array( 'depth' => 1, 'selected' => $hasparent, 'exclude' => $post_id, 'name' => 'post_parent'); } else{ $parentargs = array( 'depth' => 1, 'name' => 'post_parent'); } //output a dropdown with all pages wp_dropdown_pages($parentargs); ?>

function update_my_pagefields( $post_id ) { if ( isset( $_POST['post_parent'] ) ) { update_post_meta( $post_id, 'post_parent', $_POST['post_parent'] ); } } add_action( 'wpuf_add_post_after_insert', 'update_my_pagefields' ); add_action( 'wpuf_edit_post_after_update', 'update_my_pagefields' );