致命错误:未找到“Walker_Nav_Primary”类

时间:2017-09-28 05:36:22

标签: php wordpress wordpress-theming

我正在尝试更改我网站上导航的标记,我对开发wordpress非常陌生,但我遇到了显示我的Walker类的问题。我正在尝试重新配置Wordpress附带的2017主题。但是我一直收到这样的错误,上面写着“致命错误:Class'Walker_Nav_Primary'在第56行的/wp-content/themes/Vibe/header.php中找不到”这就是这个类的样子:

<?php
  class Walker_Nav_Primary extends Walker_Nav_menu {

    function start_lvl( &$output, $depth = 0, $args = array() ){ //ul
        $indent = str_repeat("\t",$depth);
        $submenu = ($depth > 0) ? ' sub-menu' : '';
        $output .= "\n$indent<ul class=\"dropdown-menu$submenu depth_$depth\">\n";
    }
    /*  
    function start_el( ){ //li a span
    }
    function end_el(){ // closing li a span
    }

    function end_lvl(){ // closing ul

    }
    */
     }

我的头文件中我称之为的部分:

<?php wp_nav_menu( array(
    'theme_location' => 'top',
    'menu_id'        => 'primary-menu',
    'menu_class'        => 'head-menu',
    'walker'            =>  new Walker_Nav_Primary(),
) ); ?>

编辑:

// This theme uses wp_nav_menu() in two locations.
register_nav_menus( array(
    'top'    => __( 'Top Menu', 'twentyseventeen' ),
    'social' => __( 'Social Links Menu', 'twentyseventeen' ),
) );

3 个答案:

答案 0 :(得分:0)

也许需要工作,在标题php文件中

require_once('xxx/xxx/Walker_Nav_Primary.php');

答案 1 :(得分:0)

将他放入你的functions.php文件

// Register Custom Navigation Walker
require_once get_template_directory() . '/walker-fie-name.php';

尝试此操作并在有任何问题时予以回复。

在你的情况下,它应该是

require_once get_template_directory() . '/inc/walker.php';

使用此代码更新walker.php文件

<?php
if ( ! class_exists( 'Walker_Nav_Primary' ) ) {
  class Walker_Nav_Primary extends Walker_Nav_menu {

    public function start_lvl( &$output, $depth = 0, $args = array() ){ //ul
        $indent = str_repeat("\t",$depth);
        $submenu = ($depth > 0) ? ' sub-menu' : '';
        $output .= "\n$indent<ul class=\"dropdown-menu$submenu depth_$depth\">\n";
    }
}

将power.php文件置于最顶层

替换

require_once get_template_directory() . '/inc/walker.php';

使用此代码。

if ( ! file_exists( get_template_directory() . '/inc/walker.php' ) ) {
    // file does not exist... return an empty page with msg not found
    wp_die('Not found');
} else {
    // file exists... require it.
    require_once get_template_directory() . '/inc/walker.php';
}

答案 2 :(得分:0)

我认为您应该更改此代码!

<?php wp_nav_menu( array(
'theme_location' => 'top',
'menu_id'        => 'primary-menu',
'menu_class'        => 'head-menu',
'walker'            =>  new Walker_Nav_Primary(),) ); ?>

到此:

    <?php 
$walker = new Walker_Nav_Primary;
wp_nav_menu( array(
    'theme_location' => 'top',
    'menu_id'        => 'primary-menu',
    'menu_class'        => 'head-menu',
    'walker'            =>  $walker,) ); ?>