name : class.drop-down-pages.php <?php /** * Drop Down Pages * * Will return a heirarchical list of pages in a key->value pair. * * @since 2.1.0 * * @param array|string $args Optional. Override default arguments. * @return string or HTML content, if not displaying. */ // include only file if (!defined('ABSPATH')) { die('Do not open this file directly.'); } if (!function_exists('eps_dropdown_pages')) { function eps_dropdown_pages($args = '') { $defaults = array( 'posts_per_page' => -1, 'offset' => 0, 'category' => '', 'orderby' => 'post_title', 'order' => 'DESC', 'include' => '', 'exclude' => '', 'meta_key' => '', 'meta_value' => '', 'post_type' => 'post', 'post_mime_type' => '', 'post_parent' => '', 'post_status' => 'publish', 'suppress_filters' => true, 'depth' => 5 ); $r = wp_parse_args($args, $defaults); extract($r, EXTR_SKIP); $pages = get_posts($r); if (empty($pages)) return array(); return array_flip(eps_walk_page_dropdown_tree($pages, $depth, $r)); } /** * Retrieve HTML dropdown (select) content for page list. * * @uses Walker_PageDropdown to create HTML dropdown content. * @since 2.1.0 * @see Walker_PageDropdown::walk() for parameters and return description. */ function eps_walk_page_dropdown_tree() { $args = func_get_args(); $walker = (empty($args[2]['walker'])) ? new EPS_Walker_PageDropdown : $args[2]['walker']; return call_user_func_array(array($walker, 'walk'), $args); } /** * Create an array of pages. * * @package WordPress * @since 2.1.0 * @uses Walker */ class EPS_Walker_PageDropdown extends Walker { var $tree_type = 'page'; var $db_fields = array('parent' => 'post_parent', 'id' => 'ID'); function start_el(&$output, $object, $depth = 0, $args = array(), $current_object_id = 0) { if (!is_array($output)) { $output = array(); } $pad = str_repeat('&nbsp;', $depth * 3); $output[$object->ID] = $pad . esc_html(apply_filters('list_pages', $object->post_title, $object)); } } }