PARAM_ALPHA now converts to lowercase; merged from MOODLE_14_STABLE

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 2b73ec9d620c3a4cf17d2c6a5f7d846290d38567..e4db18284fab53a28c88d8f0f620bf3915b52679 100644 (file)
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -200,7 +200,8 @@ function clean_param($param, $options) {
     }
 
     if ($options & PARAM_ALPHA) {        // Remove everything not a-z
-        $param = eregi_replace('[^a-z]', '', $param);
+        $param = eregi_replace('[^a-zA-Z]', '', $param);
+        $param = strtolower($param);
     }
 
     if ($options & PARAM_ALPHANUM) {     // Remove everything not a-zA-Z0-9