From 91cb780b4033020a42b2fee91b2376ae8187ee33 Mon Sep 17 00:00:00 2001
From: Mali Oz <malicsalles@gmail.com>
Date: Thu, 6 Jun 2024 14:50:35 -0300
Subject: [PATCH] fix #120

---
 app/Http/Controllers/ExercicioController.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/Http/Controllers/ExercicioController.php b/app/Http/Controllers/ExercicioController.php
index 9b49e48..6646eec 100644
--- a/app/Http/Controllers/ExercicioController.php
+++ b/app/Http/Controllers/ExercicioController.php
@@ -186,6 +186,7 @@ private function corretoR(Exercicio $exercicio, string $file)
 				. 'dbpass <- "' . env('DB_PASSWORD') . '";'
 				. 'dbname <- "' . env('DB_DATABASE') . '";'
 				. 'con <- connect(dbusr, dbpass, dbname);'
+				. 'TRUE;' // This is to prevent connection object being returned (which causes an echo warning visible in production)
 				;
 			$r = $cnx->evalString($rcode);
 		} catch (Exception $e) {