parent_dropdown

Source code

function parent_dropdown( $default = 0, $parent = 0, $level = 0 ) {

	global $wpdb, $post_ID;

	$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 (!empty ( $post_ID ) ) {

				if ( $item->ID == $post_ID ) {

					continue;

				}

			}

			$pad = str_repeat( ' ', $level * 3 );

			if ( $item->ID == $default)

				$current = ' selected="selected"';

			else

				$current = '';



			echo "\n\t<option class='level-$level' value='$item->ID'$current>$pad " . esc_html($item->post_title) . "</option>";

			parent_dropdown( $default, $item->ID, $level +1 );

		}

	} else {

		return false;

	}

}