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function is not described

WP_Query::is_archive() public WP 3.1.0

Is the query for an existing archive page?

Archive pages include category, tag, author, date, custom post type, and custom taxonomy based archives.

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

No Hooks.

Return

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

Usage

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

Notes

Changelog

Since 3.1.0 Introduced.

Code of WP_Query::is_archive() WP 5.7.2

<?php
public function is_archive() {
	return (bool) $this->is_archive;
}