From 5cb9076a581b9c6b8447c84932c5d78b123189a1 Mon Sep 17 00:00:00 2001
From: gustav_delius <gustav_delius>
Date: Sat, 25 Mar 2006 21:07:11 +0000
Subject: [PATCH] Removed warning when deleting questions with no states

---
 lib/questionlib.php | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/lib/questionlib.php b/lib/questionlib.php
index 6029898a12c..be1a7d9b6c4 100644
--- a/lib/questionlib.php
+++ b/lib/questionlib.php
@@ -364,12 +364,13 @@ function delete_question($questionid) {
         echo "Question with id $questionid does not exist.<br />";
     }
 
-    $states = get_records('question_states', 'question', $questionid);
-    $stateslist = implode(',', array_keys($states));
-
-    // delete questiontype-specific data
-    foreach ($QTYPES as $qtype) {
-        $qtype->delete_states($stateslist);
+    if ($states = get_records('question_states', 'question', $questionid)) {
+        $stateslist = implode(',', array_keys($states));
+    
+        // delete questiontype-specific data
+        foreach ($QTYPES as $qtype) {
+            $qtype->delete_states($stateslist);
+        }
     }
 
     // delete entries from all other question tables