is_archive() WordPress Function

The is_archive() function is a conditional tag that is used to determine whether the current page is an archive page. An archive page is a page that displays a list of posts, either by category, tag, author, or date. The is_archive() function returns a boolean value of true or false. If the current page is an archive page, the function will return a value of true. Otherwise, it will return a value of false.

is_archive() #

function is_archive() {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_archive();
}