View file File name : class-walker-nav-menu-checklist.php Content :<?php /** * Navigation Menu API: Walker_Nav_Menu_Checklist class * * @package WordPress * @subpackage Administration * @since 4.4.0 */ /** * Create HTML list of nav menu input items. * * @since 3.0.0 * @uses Walker_Nav_Menu */ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu { /** * @param array|false $fields Database fields to use. */ public function __construct( $fields = false ) { if ( $fields ) { $this->db_fields = $fields; } } /** * Starts the list before the elements are added. * * @see Walker_Nav_Menu::start_lvl() * * @since 3.0.0 * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of page. Used for padding. * @param stdClass $args Not used. */ public function start_lvl( &$output, $depth = 0, $args = null ) { $indent = str_repeat( "\t", $depth ); $output .= "\n$indent<ul class='children'>\n"; } /** * Ends the list of after the elements are added. * * @see Walker_Nav_Menu::end_lvl() * * @since 3.0.0 * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of page. Used for padding. * @param stdClass $args Not used. */ public function end_lvl( &$output, $depth = 0, $args = null ) { $indent = str_repeat( "\t", $depth ); $output .= "\n$indent</ul>"; } /** * Start the element output. * * @see Walker_Nav_Menu::start_el() * * @since 3.0.0 * @since 5.9.0 Renamed `$item` to `$data_object` and `$id` to `$current_object_id` * to match parent class for PHP 8 named parameter support. * * @global int $_nav_menu_placeholder * @global int|string $nav_menu_selected_id * * @param string $output Used to append additional content (passed by reference). * @param WP_Post $data_object Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param stdClass $args Not used. * @param int $current_object_id Optional. ID of the current menu item. Default 0. */ public function start_el( &$output, $data_object, $depth = 0, $args = null, $current_object_id = 0 ) { global $_nav_menu_placeholder, $nav_menu_selected_id; // Restores the more descriptive, specific name for use within this method. $menu_item = $data_object; $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? (int) $_nav_menu_placeholder - 1 : -1; $possible_object_id = isset( $menu_item->post_type ) && 'nav_menu_item' === $menu_item->post_type ? $menu_item->object_id : $_nav_menu_placeholder; $possible_db_id = ( ! empty( $menu_item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $menu_item->ID : 0; $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; $output .= $indent . '<li>'; $output .= '<label class="menu-item-title">'; $output .= '<input type="checkbox"' . wp_nav_menu_disabled_check( $nav_menu_selected_id, false ) . ' class="menu-item-checkbox'; if ( ! empty( $menu_item->front_or_home ) ) { $output .= ' add-to-top'; } $output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="' . esc_attr( $menu_item->object_id ) . '" /> '; if ( ! empty( $menu_item->label ) ) { $title = $menu_item->label; } elseif ( isset( $menu_item->post_type ) ) { /** This filter is documented in wp-includes/post-template.php */ $title = apply_filters( 'the_title', $menu_item->post_title, $menu_item->ID ); } $output .= isset( $title ) ? esc_html( $title ) : esc_html( $menu_item->title ); if ( empty( $menu_item->label ) && isset( $menu_item->post_type ) && 'page' === $menu_item->post_type ) { // Append post states. $output .= _post_states( $menu_item, false ); } $output .= '</label>'; // Menu item hidden fields. $output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />'; $output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="' . esc_attr( $menu_item->object ) . '" />'; $output .= '<input type="hidden" class="menu-item-parent-id" name="menu-item[' . $possible_object_id . '][menu-item-parent-id]" value="' . esc_attr( $menu_item->menu_item_parent ) . '" />'; $output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="' . esc_attr( $menu_item->type ) . '" />'; $output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="' . esc_attr( $menu_item->title ) . '" />'; $output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="' . esc_attr( $menu_item->url ) . '" />'; $output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="' . esc_attr( $menu_item->target ) . '" />'; $output .= '<input type="hidden" class="menu-item-attr-title" name="menu-item[' . $possible_object_id . '][menu-item-attr-title]" value="' . esc_attr( $menu_item->attr_title ) . '" />'; $output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="' . esc_attr( implode( ' ', $menu_item->classes ) ) . '" />'; $output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="' . esc_attr( $menu_item->xfn ) . '" />'; } }