From f11db8396aa924036745f97f4cbb9b714eac4c6d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20FRANCE?=
 <frederic34@users.noreply.github.com>
Date: Thu, 6 Jun 2019 09:49:32 +0200
Subject: [PATCH] Parameter must be array or object that implements Countable

warning with php 7.2
---
 htdocs/core/lib/agenda.lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/core/lib/agenda.lib.php b/htdocs/core/lib/agenda.lib.php
index 6dab036193d..94492e9430b 100644
--- a/htdocs/core/lib/agenda.lib.php
+++ b/htdocs/core/lib/agenda.lib.php
@@ -469,7 +469,7 @@ function actions_prepare_head($object)
 
 		$head[$h][0] = DOL_URL_ROOT.'/resource/element_resource.php?element=action&element_id='.$object->id;
         $listofresourcelinked = $resource->getElementResources($object->element, $object->id);
-        $nbResources=count($listofresourcelinked);
+        $nbResources=is_array($listofresourcelinked)?count($listofresourcelinked):0;
 		$head[$h][1] = $langs->trans("Resources");
 		if ($nbResources > 0) $head[$h][1].= ' <span class="badge">'.($nbResources).'</span>';
 		$head[$h][2] = 'resources';