From 8cad6cca87a27889253f9cfb9b3992d67f330a02 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Sun, 30 Dec 2007 22:30:46 +0000
Subject: [PATCH] MDL-12775 PARAM_INT value '' automatically converted to 0 in
 configtext settings; merged from MOODLE_19_STABLE

---
 lib/adminlib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/adminlib.php b/lib/adminlib.php
index f7e0453a99..bcd2189888 100644
--- a/lib/adminlib.php
+++ b/lib/adminlib.php
@@ -1662,6 +1662,10 @@ class admin_setting_configtext extends admin_setting {
     }
 
     function write_setting($data) {
+        if ($this->paramtype === PARAM_INT and $data === '') {
+            // do not complain if '' used instead of 0
+            $data = 0;
+        }
         // $data is a string
         $validated = $this->validate($data); 
         if ($validated !== true) {
-- 
2.39.5