From e2b21b7135b60c32cbf9a2dbeb27530d82d513a7 Mon Sep 17 00:00:00 2001
From: Michael Joseph <michael@knowledgetree.com>
Date: Fri, 17 Jan 2003 16:39:31 +0000
Subject: [PATCH] changed error message checking to use nulls

---
 tests/documentmanagement/DocumentBrowser.php | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/tests/documentmanagement/DocumentBrowser.php b/tests/documentmanagement/DocumentBrowser.php
index c2009e5..38cca02 100644
--- a/tests/documentmanagement/DocumentBrowser.php
+++ b/tests/documentmanagement/DocumentBrowser.php
@@ -32,9 +32,9 @@ if (checkSession()) {
         // default browse- should resolve to root folder
         echo "default browse- starts at this users root folder<br>";
         $artifacts = $db->browseByFolder();
-        if (isset($_SESSION["errorMessage"])) {
+        if (!is_null($_SESSION["errorMessage"])) {
             echo "error: " . $_SESSION["errorMessage"] . "<br>";
-            $_SESSION["errorMessage"] = "NULL";
+            $_SESSION["errorMessage"] = NULL;
         }        
         print_r($artifacts);
         
@@ -42,18 +42,18 @@ if (checkSession()) {
         $folderID = 3;
         echo "browse- starting at folder (folderID=$folderID)<br>";
         $artifacts = $db->browseByFolder($folderID);
-        if (isset($_SESSION["errorMessage"])) {
+        if (!is_null($_SESSION["errorMessage"])) {
             echo "error: " . $_SESSION["errorMessage"] . "<br>";
-            $_SESSION["errorMessage"] = "NULL";
+            $_SESSION["errorMessage"] = NULL;
         }        
         print_r($artifacts);
 
         // browse by category
         echo "category browse- return a list of categories:<br>";        
         $categories = $db->browseByCategory();
-        if (isset($_SESSION["errorMessage"])) {
+        if (!is_null($_SESSION["errorMessage"])) {
             echo "error: " . $_SESSION["errorMessage"] . "<br>";
-            $_SESSION["errorMessage"] = "NULL";
+            $_SESSION["errorMessage"] = NULL;
         }        
         print_r($categories);
         
@@ -63,18 +63,18 @@ if (checkSession()) {
         $category = $categories[$rand_keys];
         echo "browsing by category = $category<br>";
         $artifacts = $db->browseByCategory($category);
-        if (isset($_SESSION["errorMessage"])) {
+        if (!is_null($_SESSION["errorMessage"])) {
             echo "error: " . $_SESSION["errorMessage"] . "<br>";
-            $_SESSION["errorMessage"] = "NULL";
-        }        
+            $_SESSION["errorMessage"] = NULL;
+        }         
         print_r($artifacts);
 
         // document type browsing
         echo "document type browse- get list of doc types<br>";
         $documentTypes = $db->browseByDocumentType();
-        if (isset($_SESSION["errorMessage"])) {
+        if (!is_null($_SESSION["errorMessage"])) {
             echo "error: " . $_SESSION["errorMessage"] . "<br>";
-            $_SESSION["errorMessage"] = "NULL";
+            $_SESSION["errorMessage"] = NULL;
         }        
         print_r($documentTypes);
         
@@ -84,9 +84,9 @@ if (checkSession()) {
                 
         echo "browsing by document type = " . $documentTypeID . "<br>";
         $artifacts = $db->browseByDocumentType($documentTypeID);
-        if (isset($_SESSION["errorMessage"])) {
+        if (!is_null($_SESSION["errorMessage"])) {
             echo "error: " . $_SESSION["errorMessage"] . "<br>";
-            $_SESSION["errorMessage"] = "NULL";
+            $_SESSION["errorMessage"] = NULL;
         }        
         print_r($artifacts);
 
--
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