Php 从xml数据中获取多个类别，并在wp_insert_post_类别中使用它

我在foreach循环中使用以下while循环从xml文件中获取类别：

foreach($mm_rss_xml->channel->item as $mm_item) {

$i = 0;
while ($xml_getinfo_result->movies->movie->categories->category[$i]) {
$tmdb_cats = $xml_getinfo_result->movies->movie->categories->category[$i]->attributes()->name;  // TMDb Categories
echo "<li>".tmdb_cats."</li>";
$i++;
}

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提前感谢您的回答：）

我自己想出来了：

$cats = array();
while ($xml_getinfo_result->movies->movie->categories->category[$i]) {
    $tmdb_cats = $xml_getinfo_result->movies->movie->categories->category[$i]->attributes()->name; // TMDb Categories
    array_push($cats, get_cat_ID($tmdb_cats));
echo "<li>".tmdb_cats."</li>";
    $i++;   
}

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我很困惑，你想添加类别，但它们已经存在了？

$cats = array();
while ($xml_getinfo_result->movies->movie->categories->category[$i]) {
    $tmdb_cats = $xml_getinfo_result->movies->movie->categories->category[$i]->attributes()->name; // TMDb Categories
    array_push($cats, get_cat_ID($tmdb_cats));
echo "<li>".tmdb_cats."</li>";
    $i++;   
}

$my_post = array(); // build the needed array for the post itself
    $my_post['post_title'] = $tmdb_moviename;
    $my_post['post_content'] = $mm_overview;
    $my_post['post_category'] = $cats;
    $my_post['post_status'] = 'publish';
    $my_post['post_author'] = 1;
    $my_post['tags_input'] = $tmdb_actors2;
    $my_post['filter'] = true;