From d269912e3c39ab3f3ffd76511405bbb5bccaa686 Mon Sep 17 00:00:00 2001
From: Christopher Gervais <chris@ergonlogic.com>
Date: Sat, 3 Sep 2016 15:41:47 -0400
Subject: [PATCH] Fixes CRM-19308: Disallow false-y values for paths purged
 during cache clears.

---
 CRM/Utils/File.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CRM/Utils/File.php b/CRM/Utils/File.php
index 485280bd74..d7fa4dd3a6 100644
--- a/CRM/Utils/File.php
+++ b/CRM/Utils/File.php
@@ -140,7 +140,7 @@ class CRM_Utils_File {
    */
   public static function cleanDir($target, $rmdir = TRUE, $verbose = TRUE) {
     static $exceptions = array('.', '..');
-    if ($target == '' || $target == '/') {
+    if ($target == '' || $target == '/' || !$target) {
       throw new Exception("Overly broad deletion");
     }
 
-- 
2.25.1