WordPress函数get_terms根据WP_Term_Query参数获取分类法对象，返回多个分类数据。

get_terms( array|string $args = array(), array|string $deprecated = '' )

函数参数

$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

$categories = get_terms( array( 
    'taxonomy' => 'category',
    'parent'   => 1
) );
foreach($categories as $category) {
	echo '<li><a href="' . get_category_link($category->term_id) . '">' . $category->name . '</a></li>';
}

扩展阅读

get_terms()函数位于：wp-includes/taxonomy.php

相关函数：

• get_term()
• get_category()
• get_categories()
• get_term_by()
• get_term_children()
• taxonomy_exists()