WordPress at a glance
function is not described

WP_Rewrite::get_month_permastruct() public WP 1.5.0

Retrieves the month permalink structure without day and with year.

Gets the date permalink structure and strips out the day permalink structures. Keeps the year permalink structure.

{} It's a method of the class: WP_Rewrite{}

No Hooks.

Return

String/false. Year/Month permalink structure on success, false on failure.

Usage

global $wp_rewrite;
$wp_rewrite->get_month_permastruct();

Changelog

Since 1.5.0 Introduced.

Code of WP_Rewrite::get_month_permastruct() WP 5.5.1

<?php
public function get_month_permastruct() {
	$structure = $this->get_date_permastruct();

	if ( empty( $structure ) ) {
		return false;
	}

	$structure = str_replace( '%day%', '', $structure );
	$structure = preg_replace( '#/+#', '/', $structure );

	return $structure;
}