get_month_link( int|false $year, int|false $month ): string

582function get_month_link( $year, $month ) {583	global $wp_rewrite;584	if ( ! $year ) {585		$year = current_time( 'Y' );586	}587	if ( ! $month ) {588		$month = current_time( 'm' );589	}590	$monthlink = $wp_rewrite->get_month_permastruct();591	if ( ! empty( $monthlink ) ) {592		$monthlink = str_replace( '%year%', $year, $monthlink );593		$monthlink = str_replace( '%monthnum%', zeroise( (int) $month, 2 ), $monthlink );594		$monthlink = home_url( user_trailingslashit( $monthlink, 'month' ) );595	} else {596		$monthlink = home_url( '?m=' . $year . zeroise( $month, 2 ) );597	}598 599	/**600	 * Filters the month archive permalink.601	 *602	 * @since 1.5.0603	 *604	 * @param string $monthlink Permalink for the month archive.605	 * @param int    $year      Year for the archive.606	 * @param int    $month     The month for the archive.607	 */608	return apply_filters( 'month_link', $monthlink, $year, $month );609}