WordPress开发手册:get_term_children()

函数原型

get_term_children( int $term_id, string $taxonomy ): array|WP_Error

函数描述

是否弃用

未弃用

函数参数

$term_id
int
Required

ID of term to get children.

$taxonomy
string
Required

Taxonomy name.

函数返回值

函数位置

函数源码

function get_term_children( $term_id, $taxonomy ) {
	if ( ! taxonomy_exists( $taxonomy ) ) {
		return new WP_Error( 'invalid_taxonomy', __( 'Invalid taxonomy.' ) );
	}

	$term_id = (int) $term_id;

	$terms = _get_term_hierarchy( $taxonomy );

	if ( ! isset( $terms[ $term_id ] ) ) {
		return array();
	}

	$children = $terms[ $term_id ];

	foreach ( (array) $terms[ $term_id ] as $child ) {
		if ( $term_id === $child ) {
			continue;
		}

		if ( isset( $terms[ $child ] ) ) {
			$children = array_merge( $children, get_term_children( $child, $taxonomy ) );
		}
	}

	return $children;
}

源码链接

WordPress
Github

变更日志