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从WooCommerce中的父类中获取与当前产品关联的相关子类

[英]Get relevant sub-category associated with the current product from parent category in WooCommerce

这并不是一个重复的问题,但是,wordpress.stackexchange 论坛似乎对此很安静……我希望有人能提供帮助!

我的以下链接是指:仅获取类别的相关子类别...

我正忙于一个音乐网站。 场景如下:

  1. 一首歌曲(WooCommerce 产品),具有“摇滚”类别 摇滚是“流派”的子类别。
  2. 流派类别有许多不同的子类别(摇滚、流行、古典等)。
  3. 这些类别是在将产品导入 WooCommerce 时设置的,我的初始导入 CSV 中的类别字符串看起来像这样(我将虚拟数据用于开发目的):

Genre, Genre > Rock, Artist, Artist > Abigail Jay > Hulking Depend Weigh, Album > Hulking Depend Weigh, Year, Year > 2014

在上面的示例中,摇滚是流派的子类别。

使用以下代码,我得到“流派”下列出的所有子类别:

global $product;
$terms = get_the_terms($product->get_id(), 'product_cat');
foreach($terms as $term)
{
    if($term->slug == "genre")
    {
        $_id = $term->term_id;
        $_s = $term->slug;
        $_ar = array('parent' => $_id);
        $assoc_categories = get_terms('product_cat', $_ar);
    }
}

然而这是不正确的。 我想要做的(而不是获胜)是通过 php 获得与当前产品相关的相关子类别(例如 Rock)。 换句话说,我需要查看类型的哪个子类别与产品相关联。

我可能遗漏了一些小东西,但这让我忙了好一阵子......任何帮助将不胜感激!


编辑:

好的,我想出了一些迂回的方法来获得我需要的东西,并更新了我的代码如下:

global $product;
$terms = get_the_terms($product->get_id(), 'product_cat');
$_x = array();
foreach($terms as $term)
{
    if($term->slug == "genre")
    {
        $_id = $term->term_id;
        $_s = $term->slug;
        $_ar = array('parent' => $_id);
        $assoc_categories = get_terms('product_cat', $_ar);
        
        foreach(get_terms('product_cat', $_ar) as $_gt)
        {
            $genre_dict[] = $_gt->name;
        }
    }
    if(in_array($term->name, $genre_dict))
    {
        echo($term->name);
    }
}

对上述内容的简短解释

  1. 我创建了一个名为$genre_dict的数组,其中包含类别 Genre 中包含的所有子类别。
  2. 然后我将$term->name$genre_dict中的每个条目进行比较,如果找到匹配项,我 output $term->name

是否有更好的方法来实现相同的结果?

好的,我想出了一些迂回的方法来获得我需要的东西,并更新了我的代码如下:

global $product;
$terms = get_the_terms($product->get_id(), 'product_cat');
$_x = array();
foreach($terms as $term)
{
    if($term->slug == "genre")
    {
        $_id = $term->term_id;
        $_s = $term->slug;
        $_ar = array('parent' => $_id);
        $assoc_categories = get_terms('product_cat', $_ar);
        
        foreach(get_terms('product_cat', $_ar) as $_gt)
        {
            $genre_dict[] = $_gt->name;
        }
    }
    if(in_array($term->name, $genre_dict))
    {
        echo($term->name);
    }
}

对上述内容的简短解释

  1. 我创建了一个名为$genre_dict的数组,其中包含类别 Genre 中包含的所有子类别。
  2. 然后我将$term->name$genre_dict中的每个条目进行比较,如果找到匹配项,我 output $term->name

编辑

我创建了一个更全面的代码构建一个包含以下内容的数组:

  • 艺术家姓名、ID、Slug >
    • 每个专辑名称、ID、Slug、年份、流派 >
      • 每首歌曲的名称、ID、Slug、SKU、链接到曲目的预览
if((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') || $_SERVER['SERVER_PORT'] == 443)
{
    $GLOBALS['base_href'] = 'https://'.$_SERVER['SERVER_NAME'].'/';
}
else
{
    $GLOBALS['base_href'] = 'http://'.$_SERVER['SERVER_NAME'].'/';
} // END OF: if((!empty($_SERVER['HTTPS'...
$main_category = get_queried_object();
$main_category_id = $main_category->term_id;
$main_category_name = $main_category->name;
$main_category_slug = $main_category->slug;
foreach(get_terms('product_cat',  $main_category_id) as $term)
{
    if($term->slug == "genre")
    {
        foreach(get_terms('product_cat', ['parent' => $term->term_id]) as $_gt)
        {
            $genre_dict[] = $_gt->name;
        }
    } // END OF: if($term->slug == "genre"...
    if($term->slug == "year")
    {
        foreach(get_terms('product_cat', ['parent' => $term->term_id]) as $_gt)
        {
            $year_dict[] = $_gt->name;
        }
    } // END OF: if($term->slug == "year"...
} // END OF: foreach(get_terms('product_cat',  $sub_category_id...

$_ARTIST_OBJ = 
[
    'artist_id' => $main_category->term_id,
    'artist_name' => $main_category->name,
    'artist_slug' => $main_category->slug
];
foreach(get_terms('product_cat', ['parent' => $main_category_id]) as $sub_category)
{
    
    $sub_category_id = $sub_category->term_id;
    $sub_category_name = $sub_category->name;
    $sub_category_slug = $sub_category->slug;

    $_ARTIST_OBJ['artist_albums'][$sub_category->slug] = 
    [
        'album_id' => $sub_category->term_id,
        'album_name' => $sub_category->name,
        'album_slug' => $sub_category->slug,
        'album_year' => "",
        'album_genre' => "",
        'album_artwork' => $GLOBALS['base_href'].'wp-content/uploads/album_images/'.$sub_category->slug.'.jpg',
        'album_tracks' => []
    ];

    $product_loop = new WP_Query
    (
        [
            'post_type' => 'product',
            'product_cat' => $sub_category_name,
            'field' => $sub_category_id
        ]
    );
    if($product_loop->have_posts())
    {
        while($product_loop->have_posts())
        {
            $product_loop->the_post();
            global $product;
            $_ARTIST_OBJ['artist_albums'][$sub_category->slug]['album_tracks'][$product->get_slug()] = 
            [
                'track_id' => $product->get_id(),
                'track_name' => $product->get_name(),
                'track_slug' => $product->get_slug(),
                'track_sku' => $product->get_sku(),
                'track_preview' => $GLOBALS['base_href'].'wp-content/uploads/audio/samples/'.strtolower(str_replace(array(" ", "-"), "", $product->get_name().$product->get_sku())).'-sample.mp3'
            ];
            foreach(get_the_terms($product->get_id(), 'product_cat') as $term)
            {
                if(in_array($term->name, $genre_dict))
                {
                    $_ARTIST_OBJ['artist_albums'][$sub_category->slug]['album_genre'] = $term->name;
                } // END OF: if(in_array($term->name, $genre_dict...
                if(in_array($term->name, $year_dict))
                {
                    $_ARTIST_OBJ['artist_albums'][$sub_category->slug]['album_year'] = $term->name;
                } // END OF: if(in_array($term->name, $year_dict...
                
            }

        } // END OF: while($product_loop->have_posts(...
    }
    else
    {
        echo("<p>There are no products...</p>");
    } // END OF: if($product_loop->have_posts(...
} // END OF: foreach(get_terms('product_cat', ['parent' => $main_category_id...

print_r($_ARTIST_OBJ);

希望这可以帮助另一个遇到相同挑战的菜鸟。

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