Don't lose keys with empty values when flattening array

diff --git a/CRM/Utils/Array.php b/CRM/Utils/Array.php
index 73b4dab45a2246c496b093d7e8b2499c8be32f6d..dbcb100e16e37312797e31dc46b2296295e9ff2d 100644 (file)
--- a/CRM/Utils/Array.php
+++ b/CRM/Utils/Array.php
@@ -238,9 +238,7 @@ class CRM_Utils_Array {
         self::flatten($value, $flat, $newPrefix, $seperator);
       }
       else {
-        if (!empty($value)) {
-          $flat[$newPrefix] = $value;
-        }
+        $flat[$newPrefix] = $value;
       }
     }
   }