PKPUsageStatsPlugin::callbackLoadHandler PHP Метод

    function callbackLoadHandler($hookName, $args)
    {
        // Check the page.
        $page = $args[0];
        if ($page !== 'usageStats') {
            return;
        }
        // Check the operation.
        $availableOps = array('privacyInformation');
        $op = $args[1];
        if (!in_array($op, $availableOps)) {
            return;
        }
        // The handler had been requested.
        define('HANDLER_CLASS', 'UsageStatsHandler');
        define('USAGESTATS_PLUGIN_NAME', $this->getName());
        $handlerFile =& $args[2];
        $handlerFile = $this->getPluginPath() . '/' . 'UsageStatsHandler.inc.php';
    }