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 |
---|---|
3052 | * @param string $object_type The type of object for which we'll be retrieving ancestors. |
3053 | * @return array of ancestors from lowest to highest in the hierarchy. |
3054 | */ |
3055 | function get_ancestors($object_id = 0, $object_type = '') { |
3056 | $object_id = (int) $object_id; |
3057 |
|
3058 | $ancestors = array(); |
3059 |
|
3060 | if ( empty( $object_id ) ) { |
3061 | return apply_filters('get_ancestors', $ancestors, $object_id, $object_type); |
3062 | } |
3063 |
|
3064 | if ( is_taxonomy_hierarchical( $object_type ) ) { |
3065 | $term = get_term($object_id, $object_type); |
3066 | while ( ! is_wp_error($term) && ! empty( $term->parent ) && ! in_array( $term->parent, $ancestors ) ) { |
3067 | $ancestors[] = (int) $term->parent; |
3068 | $term = get_term($term->parent, $object_type); |
3069 | } |
3070 | } elseif ( null !== get_post_type_object( $object_type ) ) { |
Line | Code |
3073 | $ancestors = $object->ancestors; |
3074 | else { |
3075 | while ( ! is_wp_error($object) && ! empty( $object->post_parent ) && ! in_array( $object->post_parent, $ancestors ) ) { |
3076 | $ancestors[] = (int) $object->post_parent; |
3077 | $object = get_post($object->post_parent); |
3078 | } |
3079 | } |
3080 | } |
3081 |
|
3082 | return apply_filters('get_ancestors', $ancestors, $object_id, $object_type); |
3083 | } |
3084 |
|
3085 | /** |
3086 | * Returns the term's parent's term_ID |
3087 | * |
3088 | * @since 3.1.0 |
3089 | * |
3090 | * @param int $term_id |
3091 | * @param string $taxonomy |