parent_dropdown( int $default, int $parent, int $level, int|WP_Post $post = null )
Print out option HTML elements for the page parents drop-down.
Description Description
Parameters Parameters
Return Return
(null|false) Boolean False if page has no children, otherwise print out html elements.
Source Source
File: wp-admin/includes/template.php
875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 | 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; }} |
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Changelog Changelog
| Version | Description |
|---|---|
| 4.4.0 | $post argument was added. |
| 1.5.0 | Introduced. |