Better handling of user-entered URLs (add http:// if missing)

user/edit.html

@@ -80,7 +80,7 @@ if (isadmin()) {
 </tr>
 <tr valign=top>
 	<td><P><? print_string("webpage") ?>:</td>
-	<td><input type="text" name="url" size=30 value="<? p($user->url) ?>">
+	<td><input type="text" name="url" size=50 value="<? p($user->url) ?>">
 	<? formerr($err["url"]) ?>
 	</td>
 </tr>

user/edit.php

@@ -122,6 +122,9 @@
                     error("You can not change the password like that");
                 }
             }
+            if ($usernew->url and !(substr($usernew->url, 0, 4) == "http")) {
+                $usernew->url = "http://".$usernew->url;
+            }
 
             if (update_record("user", $usernew)) {
                 add_to_log($course->id, "user", "update", "view.php?id=$user->id&course=$course->id", "");