在Prestashop中存储所有站点点击的HTTP_REFERER信息

CREATE TABLE IF NOT EXISTS `ps_referer` (
  `id_referer` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `referer` varchar(255) NOT NULL,
  `date_add` datetime NOT NULL,
  PRIMARY KEY (`id_referer`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

<script>
    document.addEventListener('DOMContentLoaded', function() {
        var referer = document.referrer;
        var xhr = new XMLHttpRequest();
        xhr.open('POST', 'ajax.php', true);
        xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        xhr.send('controller=ajax&token={$token}&action=storeReferer&referer=' + encodeURIComponent(referer));
    });
</script>

<?php
class MyRefererAjaxModuleFrontController extends ModuleFrontController
{
    public function initContent()
    {
        parent::initContent();

        if (Tools::getValue('action') == 'storeReferer') {
            $referer = Tools::getValue('referer');
            if (!empty($referer)) {
                $referer = pSQL($referer);
                $dateAdd = date('Y-m-d H:i:s');
                Db::getInstance()->insert('ps_referer', array(
                    'referer' => $referer,
                    'date_add' => $dateAdd
                ));
            }
        }

        die;
    }
}