0) { $row = $prm->getById($id); if (!$row) { http_response_code(404); exit(json_encode(['success' => 0, 'message' => 'Purchase request not found.'])); } $answer['output'] = $row; } else { $answer['output'] = $prm->getList(); } $answer['success'] = 1; exit(json_encode($answer));