From: moodler <moodler>
Date: Mon, 23 Aug 2004 13:49:19 +0000 (+0000)
Subject: Lowercase formulas before parsing them
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=218e4d56e6cd205190a1c9493c29ba66c7c3ad07;p=moodle.git

Lowercase formulas before parsing them
---

diff --git a/mod/quiz/questiontypes/calculated/questiontype.php b/mod/quiz/questiontypes/calculated/questiontype.php
index a253fa1c37..73c392868a 100644
--- a/mod/quiz/questiontypes/calculated/questiontype.php
+++ b/mod/quiz/questiontypes/calculated/questiontype.php
@@ -537,12 +537,13 @@ function quiz_qtype_calculated_find_formula_errors($formula) {
         $formula = str_replace($regs[0], '1', $formula);
     }
 
-    // Strip away empty space
-    $formula = str_replace(' ', '', $formula);
+    // Strip away empty space and lowercase it
+    $formula = strtolower(str_replace(' ', '', $formula));
 
     $safeoperatorchar = '-+/*%>:^~<?=&|!';
     $operatorornumber = "[$safeoperatorchar.0-9eE]";
 
+
     while (ereg("(^|[$safeoperatorchar,(])([a-z0-9_]*)\\(($operatorornumber+(,$operatorornumber+((,$operatorornumber+)+)?)?)?\\)",
             $formula, $regs)) {