
如何使用Adminer通过单个PHP文件轻松管理数据库
wp_get_nav_menu_to_edit ( $menu_id = 0 )
wp_get_nav_menu_to_edit: 这个函数检索一个要编辑的菜单。它需要一个参数,即菜单的ID或名称,并返回一个菜单对象。
返回格式为编辑的菜单。
function wp_get_nav_menu_to_edit( $menu_id = 0 ) { $menu = wp_get_nav_menu_object( $menu_id ); // If the menu exists, get its items. if ( is_nav_menu( $menu ) ) { $menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'post_status' => 'any' ) ); $result = '<div id="menu-instructions" class="post-body-plain'; $result .= ( ! empty( $menu_items ) ) ? ' menu-instructions-inactive">' : '">'; $result .= '<p>' . __( 'Add menu items from the column on the left.' ) . '</p>'; $result .= '</div>'; if ( empty( $menu_items ) ) { return $result . ' <ul class="menu" id="menu-to-edit"> </ul>'; } /** * Filters the Walker class used when adding nav menu items. * * @since 3.0.0 * * @param string $class The walker class to use. Default 'Walker_Nav_Menu_Edit'. * @param int $menu_id ID of the menu being rendered. */ $walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $menu_id ); if ( class_exists( $walker_class_name ) ) { $walker = new $walker_class_name; } else { return new WP_Error( 'menu_walker_not_exist', sprintf( /* translators: %s: Walker class name. */ __( 'The Walker class named %s does not exist.' ), '<strong>' . $walker_class_name . '</strong>' ) ); } $some_pending_menu_items = false; $some_invalid_menu_items = false; foreach ( (array) $menu_items as $menu_item ) { if ( isset( $menu_item->post_status ) && 'draft' === $menu_item->post_status ) { $some_pending_menu_items = true; } if ( ! empty( $menu_item->_invalid ) ) { $some_invalid_menu_items = true; } } if ( $some_pending_menu_items ) { $result .= '<div class="notice notice-info notice-alt inline"><p>' . __( 'Click Save Menu to make pending menu items public.' ) . '</p></div>'; } if ( $some_invalid_menu_items ) { $result .= '<div class="notice notice-error notice-alt inline"><p>' . __( 'There are some invalid menu items. Please check or delete them.' ) . '</p></div>'; } $result .= '<ul class="menu" id="menu-to-edit"> '; $result .= walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $menu_items ), 0, (object) array( 'walker' => $walker ) ); $result .= ' </ul> '; return $result; } elseif ( is_wp_error( $menu ) ) { return $menu; } }