wp_get_term_taxonomy_parent_id( int $term_id, string $taxonomy )

Returns the term’s parent’s term_ID.

Parameters

$term_id

(Required) Term ID.

$taxonomy

(Required) Taxonomy name.

Return

(int|false) False on error.

Source

File: wp-includes/taxonomy.php 

function wp_get_term_taxonomy_parent_id( $term_id, $taxonomy ) {
	$term = get_term( $term_id, $taxonomy );
	if ( ! $term || is_wp_error( $term ) ) {
		return false;
	}
	return (int) $term->parent;
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/load.php: is_wp_error()

Check whether variable is a ClassicPress Error.
wp-includes/taxonomy.php: get_term()

Get all Term data from database by Term ID.

Changelog

Changelog
Version Description
WP-3.1.0 Introduced.