cache.php

<?php
/**
 * NOTICE OF LICENSE
 *
 * This file is licenced under the Software License Agreement.
 * With the purchase or the installation of the software in your application
 * you accept the licence agreement.
 *
 * You must not modify, adapt or create derivative works of this source code
 *
 * @author    Doofinder
 * @copyright Doofinder
 * @license   GPLv3
 */
$root_path = dirname(dirname(dirname($_SERVER['SCRIPT_FILENAME'])));
$config_file_path = $root_path . '/config/config.inc.php';
if (@file_exists($config_file_path)) {
    require_once $config_file_path;
} else {
    require_once dirname(__FILE__) . '/../../config/config.inc.php';
}

if (!defined('_PS_VERSION_')) {
    exit;
}

if (Tools::isSubmit('landing')) {
    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
        return Db::getInstance()->delete('doofinder_landing');
    }
    exit;
}