Disable search (wordpress)

Disable search function and redirect to home.

<?php
/**
 * Disable search function and redirect to home.
 */
if (!is_admin()) {
    add_filter('template_redirect', function() {
        if (is_search()) {
            wp_safe_redirect(home_url(), 301);
            exit;
        }
    });
}
?>

functions.php

< toolbox