WordPress 判断自定义文章类型是否属于某个分类类型

is_object_in_term( int $object_id, string $taxonomy, int|string|int[]|string[] $terms = null )

    <?php

    if (is_object_in_term( $post->ID, 'custom_taxonomy_name', 'term_name' ) ) :

    echo 'YES';

    else :

    echo 'NO';

    endif;

    ?>

    <?php

    if (is_object_in_term( $post->ID, 'postwd', 'wordpress' ) ) :

    echo 'YES';

    else :

    echo 'NO';

    endif;

    ?>

    <?php

    if (is_object_in_term( $post->ID, 'postwd', '9' ) ) :

    echo 'YES';

    else :

    echo 'NO';

    endif;

    ?>