From 09fba458f79b8b1b1940405911915feade1989bf Mon Sep 17 00:00:00 2001
From: marcus <marcus@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 18 Jun 2008 11:10:16 +0000
Subject: Fixes #17 - Debug mode toggle. Introduced unset_config() which is
 also called automatically by set_config(). Also modified the view
 input/checkboxes to set values on the checkbox.

git-svn-id: https://code.elgg.org/elgg/trunk@961 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/configuration.php | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

(limited to 'engine/lib/configuration.php')

diff --git a/engine/lib/configuration.php b/engine/lib/configuration.php
index acb651170..a033d679f 100644
--- a/engine/lib/configuration.php
+++ b/engine/lib/configuration.php
@@ -12,7 +12,26 @@
 	 * @link http://elgg.org/
 	 */
 
-	
+	
+	/**
+	 * Unset a config option.
+	 *
+	 * @param string $name The name of the field.
+	 * @param int $site_guid Optionally, the GUID of the site (current site is assumed by default).
+	 * @return mixed
+	 */
+		function unset_config($name, $site_guid = 0) 
+		{
+			global $CONFIG;
+			
+			$name = mysql_real_escape_string($name);
+			$site_guid = (int) $site_guid;
+			if ($site_guid == 0)
+				$site_guid = (int) $CONFIG->site_id;
+				
+			return delete_data("delete from {$CONFIG->dbprefix}config where name='$name' and site_guid=$site_guid");
+		}
+
 	/**
 	 * Sets a configuration value
 	 *
@@ -23,14 +42,19 @@
 	 */
 		function set_config($name, $value, $site_guid = 0) {
 			
-			global $CONFIG;
+			global $CONFIG;
+			
+			// Unset existing
+			unset_config($name,$site_guid);
+			
 			$name = mysql_real_escape_string($name);
 			$value = mysql_real_escape_string($value);
 			$site_guid = (int) $site_guid;
 			if ($site_guid == 0)
 				$site_guid = (int) $CONFIG->site_id;
 			$CONFIG->$name = $value;
-			$value = sanitise_string(serialize($value));
+			$value = sanitise_string(serialize($value));
+			
 			return insert_data("insert into {$CONFIG->dbprefix}config set name = '{$name}', value = '{$value}', site_guid = {$site_guid}");
 			
 		}
-- 
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