WP_Query::is_year() │ public │ WP 3.1.0

Determines whether the query is for an existing year archive.

Method of the class: WP_Query{}

No Hooks.

Returns

true|false. Whether the query is for an existing year archive.

Usage

global $wp_query;
$wp_query->is_year();

Changelog

Since 3.1.0 Introduced.

WP_Query::is_year() code WP 6.8.1

wp-includes/class-wp-query.php 
public function is_year() {
	return (bool) $this->is_year;
}