From 605858b194425aaac889e57b76ed0a346a70815a Mon Sep 17 00:00:00 2001
From: nickw <nickw@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Tue, 13 Apr 2010 21:48:30 +0000
Subject: Creating a function to clear user-specific plugin settings.

git-svn-id: http://code.elgg.org/elgg/trunk@5728 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/plugins.php | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

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

diff --git a/engine/lib/plugins.php b/engine/lib/plugins.php
index bc703f6c6..64f1deb12 100644
--- a/engine/lib/plugins.php
+++ b/engine/lib/plugins.php
@@ -485,6 +485,36 @@ function set_plugin_usersetting($name, $value, $user_guid = 0, $plugin_name = ""
 	return false;
 }
 
+/**
+ * Clears a user-specific plugin setting
+ *
+ * @param str $name Name of the plugin setting
+ * @param int $user_guid Defaults to logged in user
+ * @param str $plugin_name Defaults to contextual plugin name
+ * @return bool Success
+ */
+function clear_plugin_usersetting($name, $user_guid=0, $plugin_name='') {
+	$plugin_name = sanitise_string($plugin_name);
+	$name = sanitise_string($name);
+	
+	if (!$plugin_name) {
+		$plugin_name = get_plugin_name();
+	}
+
+	$user = get_entity((int) $user_guid);
+	if (!$user) {
+		$user = get_loggedin_user();
+	}
+	
+	if (($user) && ($user instanceof ElggUser)) {
+		$prefix = "plugin:settings:$plugin_name:$name";
+		
+		return remove_private_setting($user->getGUID(), $prefix);
+	}
+	
+	return FALSE;
+}
+
 /**
  * Get a user specific setting for a plugin.
  *
-- 
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