WordPress at a glance
function is not described

WP_Query::is_search() public WP 3.1.0

Is the query for a search?

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

No Hooks.

Return

true/false. Whether the query is for a search.

Usage

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

Changelog

Since 3.1.0 Introduced.

Code of WP_Query::is_search() WP 5.6

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