From e62fc06b5bf88a5d00aeda4517ddf6b64df4327b Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Tue, 5 May 2020 23:31:49 +0200
Subject: [PATCH] Fix UninitializedProperty 2x

---
 modules/core/lib/Auth/Process/AttributeValueMap.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/core/lib/Auth/Process/AttributeValueMap.php b/modules/core/lib/Auth/Process/AttributeValueMap.php
index fddd85b8e..a3e9f5626 100644
--- a/modules/core/lib/Auth/Process/AttributeValueMap.php
+++ b/modules/core/lib/Auth/Process/AttributeValueMap.php
@@ -20,13 +20,13 @@ class AttributeValueMap extends \SimpleSAML\Auth\ProcessingFilter
      * The name of the attribute we should assign values to (ie: the target attribute).
      * @var string
      */
-    private $targetattribute;
+    private $targetattribute = '';
 
     /**
      * The name of the attribute we should create values from.
      * @var string
      */
-    private $sourceattribute;
+    private $sourceattribute = '';
 
     /**
      * The required $sourceattribute values and target affiliations.
@@ -92,10 +92,10 @@ class AttributeValueMap extends \SimpleSAML\Auth\ProcessingFilter
         }
 
         // now validate it
-        if (!is_string($this->sourceattribute)) {
+        if (!empty($this->sourceattribute)) {
             throw new Error\Exception("AttributeValueMap: 'sourceattribute' configuration option not set.");
         }
-        if (!is_string($this->targetattribute)) {
+        if (!empty($this->targetattribute)) {
             throw new Error\Exception("AttributeValueMap: 'targetattribute' configuration option not set.");
         }
         if (!is_array($this->values)) {
-- 
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