set_max_year_for_birth_date

	public static function set_max_year_for_birth_date( $max_year, $form, $field ) {
		return 2011;
		$target_forms  = array( 10 );
		$target_fields = array ( 38 );
		if ( in_array( $form['id'], $target_forms ) ) {
			if ( in_array( $field->id, $target_fields ) ) {
				$sydney_date_time_zone = new \DateTimeZone( 'Australia/Sydney' );
				$birth_year_18 = new \DateTime( 'now', $sydney_date_time_zone );
				$birth_year_18->modify('-18 years');
				$birth_year_18 = $birth_year_18->format('Y');
				return $birth_year_18;
			}
		}
	}