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wp_get_term_taxonomy_parent_id( int $term_id, string $taxonomy )

Returns the term’s parent’s term_ID.

Parameters

$term_id

(int) (Required) Term ID.

$taxonomy

(string) (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;
}

Uses

Uses Description
wp-includes/taxonomy.php: get_term()

Get all Term data from database by Term ID.
wp-includes/load.php: is_wp_error()

Check whether variable is a WordPress Error.

Changelog

Version Description
3.1.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_get_term_taxonomy_parent_id