WPSEO_Primary_Term::get_primary_term │ public │ Yoast 1.0

Returns the primary term ID.

Метод класса: WPSEO_Primary_Term{}

Хуков нет.

Возвращает

int|bool.

Использование

$WPSEO_Primary_Term = new WPSEO_Primary_Term();
$WPSEO_Primary_Term->get_primary_term();

Код WPSEO_Primary_Term::get_primary_term() Yoast 28.4

yoast/inc/class-wpseo-primary-term.php 
public function get_primary_term() {
	$primary_term = get_post_meta( $this->post_ID, WPSEO_Meta::$meta_prefix . 'primary_' . $this->taxonomy_name, true );

	if ( ! $primary_term ) {
		return false;
	}

	$terms = $this->get_terms();

	if ( ! in_array( (int) $primary_term, wp_list_pluck( $terms, 'term_id' ), true ) ) {
		$primary_term = false;
	}

	$primary_term = (int) $primary_term;
	return ( $primary_term ) ? ( $primary_term ) : false;
}