WordPress根据文章ID获取分类法对象函数：wp_get_object_terms

WordPress函数wp_get_object_terms根据文章的ID获取分类法对象，主要在自定义分类法时使用，获取Category可以使用get_the_category()函数。

wp_get_object_terms( int|int[] $object_ids, string|string[] $taxonomies, array|string $args = array() )

函数参数

$object_ids

整数

文章ID

$taxonomies

字符串

分类法名称

$args

数组，参数可用值参考get_categories()函数的$args参数说明

函数返回值

Array
(
    [0] => WP_Term Object
        (
            [term_id] => 2
            [name] => 开发
            [slug] => develop
            [term_group] => 0
            [term_taxonomy_id] => 2
            [taxonomy] => category
            [description] => 
            [parent] => 1
            [count] => 100
            [filter] => raw
        )

    [1] => WP_Term Object
        (
            [term_id] => 3
            [name] => 教程
            [slug] => courses
            [term_group] => 0
            [term_taxonomy_id] => 3
            [taxonomy] => category
            [description] => 
            [parent] => 1
            [count] => 220
            [filter] => raw
        )

    ......

)

函数使用示例

$categories = wp_get_object_terms(3522, 'category');
foreach($categories as $category) {
	echo '<li><a href="' . get_category_link($category->term_id) . '">' . $category->name . '</a></li>';
}