monitor = $monitor; $this->dbi = $dbi; } public function __invoke(): void { global $errorUrl; $params = ['requiredData' => $_POST['requiredData'] ?? null]; $errorUrl = Url::getFromRoute('/'); if ($this->dbi->isSuperUser()) { $this->dbi->selectDb('mysql'); } if (! $this->response->isAjax()) { return; } $this->response->addJSON([ 'message' => $this->monitor->getJsonForChartingData( $params['requiredData'] ?? '' ), ]); } }