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Description
Print out option HTML elements for the page parents drop-down.
Usage
$null|false = parent_dropdown( $default, $parent, $level, $post );
Parameters
- $default
- ( int ) optional – Optional. The default page ID to be pre-selected. Default 0.
- $parent
- ( int ) optional – Optional. The parent page ID. Default 0.
- $level
- ( int ) optional – Optional. Page depth level. Default 0.
- $post
- ( int|WP_Post ) optional – Post ID or WP_Post object.
Returns
null|false Boolean False if page has no children, otherwise print out html elements.
Source
File name: wordpress/wp-admin/includes/template.php
Lines:
1 to 23 of 23
function parent_dropdown( $default = 0, $parent = 0, $level = 0, $post = null ) { global $wpdb; $post = get_post( $post ); $items = $wpdb->get_results( $wpdb->prepare( "SELECT ID, post_parent, post_title FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' ORDER BY menu_order", $parent ) ); if ( $items ) { foreach ( $items as $item ) { // A page cannot be its own parent. if ( $post && $post->ID && $item->ID == $post->ID ) { continue; } $pad = str_repeat( ' ', $level * 3 ); $selected = selected( $default, $item->ID, false ); echo "\n\t<option class='level-$level' value='$item->ID' $selected>$pad " . esc_html( $item->post_title ) . '</option>'; parent_dropdown( $default, $item->ID, $level + 1 ); } } else { return false; } }
