WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
---|---|
3221 | * @param string $object_type The type of object for which we'll be retrieving ancestors. |
3222 | * @return array of ancestors from lowest to highest in the hierarchy. |
3223 | */ |
3224 | function get_ancestors($object_id = 0, $object_type = '') { |
3225 | $object_id = (int) $object_id; |
3226 |
|
3227 | $ancestors = array(); |
3228 |
|
3229 | if ( empty( $object_id ) ) { |
3230 | return apply_filters('get_ancestors', $ancestors, $object_id, $object_type); |
3231 | } |
3232 |
|
3233 | if ( is_taxonomy_hierarchical( $object_type ) ) { |
3234 | $term = get_term($object_id, $object_type); |
3235 | while ( ! is_wp_error($term) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors ) ) { |
3236 | $ancestors[] = (int) $term->parent; |
3237 | $term = get_term($term->parent, $object_type); |
3238 | } |
3239 | } elseif ( post_type_exists( $object_type ) ) { |
3240 | $ancestors = get_post_ancestors($object_id); |
3241 | } |
3242 |
|
3243 | return apply_filters('get_ancestors', $ancestors, $object_id, $object_type); |
3244 | } |
3245 |
|
3246 | /** |
3247 | * Returns the term's parent's term_ID |
3248 | * |
3249 | * @since 3.1.0 |
3250 | * |
3251 | * @param int $term_id |
3252 | * @param string $taxonomy |