From bcce8218ffe2394b7836d61174058e7d1f7e8cd5 Mon Sep 17 00:00:00 2001
From: Malte Heyenga <malte@dieschittigs.de>
Date: Mon, 25 Mar 2019 10:34:59 +0100
Subject: [PATCH] check if flashmessages are available before passing them to
 foreach

---
 .../contao/modules/ModuleFlashMessages.php       | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/Resources/contao/modules/ModuleFlashMessages.php b/src/Resources/contao/modules/ModuleFlashMessages.php
index 0c5417f..662d762 100644
--- a/src/Resources/contao/modules/ModuleFlashMessages.php
+++ b/src/Resources/contao/modules/ModuleFlashMessages.php
@@ -41,12 +41,16 @@ protected function compile() {
         $flashMessages = Flash::load();
 
         $ids = [];
-        $encIds = [];
-        foreach($flashMessages as $flash){
-            if(!$flash->autoDismiss) continue;
-            $ids[] = $flash->id;
-            $encIds[] = "\"$flash->id\"";
-        }
+		$encIds = [];
+		
+		if($flashMessages) {
+			foreach($flashMessages as $flash){
+				if(!$flash->autoDismiss) continue;
+				$ids[] = $flash->id;
+				$encIds[] = "\"$flash->id\"";
+			}
+		}
+
 		$this->Template->flashMessages = $flashMessages;
 		$this->Template->ids = $ids;
 		$this->Template->encIds = $encIds;