MDL-15537 - followup - don't display an error if you ask questionlib.php to load...

diff --git a/lib/questionlib.php b/lib/questionlib.php
index dce4c1903e778d34f74ccffbbd3b43b6cde268dd..ae735b681eb4b134e1fe90cab1569c2dbcf0ce6d 100644 (file)
--- a/lib/questionlib.php
+++ b/lib/questionlib.php
@@ -776,6 +776,9 @@ function questionbank_navigation_tabs(&$row, $contexts, $querystring) {
  */
 function question_preload_questions($questionids, $extrafields = '', $join = '', $extraparams = array()) {
     global $CFG, $DB;
+    if (empty($questionids)) {
+        return array();
+    }
     if ($join) {
         $join = ' JOIN '.$join;
     }