term_is_ancestor_of() WP 1.0
Check if a term is an ancestor of another term.
You can use either an ID or the term object for both parameters.
Basis of: cat_is_ancestor_of()
1 time = 0.000142s = fast | 50000 times = 0.87s = very fast | PHP 7.0.14, WP 4.7
No Hooks.
Return
true/false. Whether $term2 is a child of $term1.
Usage
term_is_ancestor_of( $term1, $term2, $taxonomy );
- $term1(int/object) (required)
- ID or object to check if this is the parent term.
- $term2(int/object) (required)
- The child term.
- $taxonomy(string) (required)
- Taxonomy name that $term1 and $term2 belong to.
Changelog
Since 3.4.0 | Introduced. |
Code of term_is_ancestor_of() term is ancestor of WP 5.6
function term_is_ancestor_of( $term1, $term2, $taxonomy ) {
if ( ! isset( $term1->term_id ) ) {
$term1 = get_term( $term1, $taxonomy );
}
if ( ! isset( $term2->parent ) ) {
$term2 = get_term( $term2, $taxonomy );
}
if ( empty( $term1->term_id ) || empty( $term2->parent ) ) {
return false;
}
if ( $term2->parent === $term1->term_id ) {
return true;
}
return term_is_ancestor_of( $term1, get_term( $term2->parent, $taxonomy ), $taxonomy );
}Related Functions
From tag: Conditional tags (all)
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More from category: Any taxonomy
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