wordpress 如何输出菜单

wordpress 中输出菜单使用是的函数是 wp_nav_menu ，该函数有很多个参数，可以实现订制输出。

wordpress 输出菜单

wp_nav_menu(array(
    "menu" => "第一个菜单"
));


// 输出的结果 

/*
<div class="menu-%e7%ac%ac%e4%b8%80%e4%b8%aa%e8%8f%9c%e5%8d%95-container">
    <ul id="menu-%e7%ac%ac%e4%b8%80%e4%b8%aa%e8%8f%9c%e5%8d%95" class="menu">
        <li id="menu-item-95" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-95"><a href="https://wp.cssdiv.com/2021/08/26/hello-world/">世界，您好！</a></li>
        <li id="menu-item-96" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-96"><a href="https://www.wpcode.cn">wpcode</a></li>
    </ul>
</div>
*/

wp_nav_menu 的参数

/* @param array $args {
 *     Optional. Array of nav menu arguments.
 *
 *     @type int|string|WP_Term $menu                 Desired menu. Accepts a menu ID, slug, name, or object.
 *                                                    Default empty.
 *     @type string             $menu_class           CSS class to use for the ul element which forms the menu.
 *                                                    Default 'menu'.
 *     @type string             $menu_id              The ID that is applied to the ul element which forms the menu.
 *                                                    Default is the menu slug, incremented.
 *     @type string             $container            Whether to wrap the ul, and what to wrap it with.
 *                                                    Default 'div'.
 *     @type string             $container_class      Class that is applied to the container.
 *                                                    Default 'menu-{menu slug}-container'.
 *     @type string             $container_id         The ID that is applied to the container. Default empty.
 *     @type string             $container_aria_label The aria-label attribute that is applied to the container
 *                                                    when it's a nav element. Default empty.
 *     @type callable|false     $fallback_cb          If the menu doesn't exist, a callback function will fire.
 *                                                    Default is 'wp_page_menu'. Set to false for no fallback.
 *     @type string             $before               Text before the link markup. Default empty.
 *     @type string             $after                Text after the link markup. Default empty.
 *     @type string             $link_before          Text before the link text. Default empty.
 *     @type string             $link_after           Text after the link text. Default empty.
 *     @type bool               $echo                 Whether to echo the menu or return it. Default true.
 *     @type int                $depth                How many levels of the hierarchy are to be included.
 *                                                    0 means all. Default 0.
 *                                                    Default 0.
 *     @type object             $walker               Instance of a custom walker class. Default empty.
 *     @type string             $theme_location       Theme location to be used. Must be registered with
 *                                                    register_nav_menu() in order to be selectable by the user.
 *     @type string             $items_wrap           How the list items should be wrapped. Uses printf() format with
 *                                                    numbered placeholders. Default is a ul with an id and class.
 *     @type string             $item_spacing         Whether to preserve whitespace within the menu's HTML.
 *                                                    Accepts 'preserve' or 'discard'. Default 'preserve'.
 * }
 * @return void|string|false Void if 'echo' argument is true, menu output if 'echo' is false.
 *                           False if there are no items or no menu was found.
 */