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term_is_ancestor_of › WordPress Function
Since3.4.0
已弃用n/a
› term_is_ancestor_of ( $term1, $term2, $taxonomy )
参数: (3) |
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Checks if a term is an ancestor of another term.
You can use either an ID or the term object for both parameters.Related Functions: cat_is_ancestor_of, get_post_ancestors, get_ancestors, _get_post_ancestors, permalink_anchor
源码
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 ); }