get_term_children()
Merge all term children into a single array of their IDs.
This recursive function will merge all of the children of $term into the same array of term IDs. Only useful for taxonomies which are hierarchical.
Will return an empty array if $term does not exist in $taxonomy.
Uses: _get_term_hierarchy()
1 time — 0.000048 sec (very fast) | 50000 times — 0.75 sec (very fast) | PHP 7.0.5, WP 4.5.2
No Hooks.
Return
Array|WP_Error
. List of Term IDs. WP_Error returned if $taxonomy does not exist.
Usage
get_term_children( $term_id, $taxonomy );
- $term_id(int) (required)
- ID of term to get children.
- $taxonomy(string) (required)
- Taxonomy name.
Changelog
Since 2.3.0 | Introduced. |