Committed fix for bug 4829

eSrem · Feb 28, 2006 · c902637 · c902637
1 parent 5c25b6a
commit c902637
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/question/questiontypes/calculated/questiontype.php b/question/questiontypes/calculated/questiontype.php
@@ -712,7 +712,7 @@ function quiz_qtype_calculated_find_formula_errors($formula) {
         switch ($regs[2]) {
             // Simple parenthesis
             case '':
-                if ($regs[4] || empty($regs[3])) {
+                if ($regs[4] || strlen($regs[3])==0) {
                     return get_string('illegalformulasyntax', 'quiz', $regs[0]);
                 }
                 break;