From a5781a77c4d079f62298323566e6adc79b98e089 Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 27 Jan 2010 16:03:23 +0000
Subject: Fixes #1465: Added unregister_event_handler() and
 unregister_plugin_hook().

git-svn-id: http://code.elgg.org/elgg/trunk@3848 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/elgglib.php | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

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

diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 074204310..021af5e48 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -1636,6 +1636,22 @@ function register_elgg_event_handler($event, $object_type, $function, $priority
 	return events($event, $object_type, $function, $priority);
 }
 
+/**
+ * Unregisters a function to a particular kind of event
+ *
+ * @param string $event The event type
+ * @param string $object_type The object type
+ * @param string $function The function name
+ */
+function unregister_elgg_event_handler($event, $object_type, $function) {
+	global $CONFIG;
+	foreach($CONFIG->events[$event][$object_type] as $key => $event_function) {
+		if ($event_function == $function) {
+			unset($CONFIG->events[$event][$object_type][$key]);
+		}
+	}
+}
+
 /**
  * Alias function for events, that triggers a particular kind of event
  *
@@ -1703,6 +1719,22 @@ function register_plugin_hook($hook, $entity_type, $function, $priority = 500) {
 	}
 }
 
+/**
+ * Unregister a function to a plugin hook for a particular entity type
+ *
+ * @param string $hook The name of the hook
+ * @param string $entity_type The name of the type of entity (eg "user", "object" etc)
+ * @param string $function The name of a valid function to be run
+ */
+function unregister_plugin_hook($hook, $entity_type, $function) {
+	global $CONFIG;
+	foreach($CONFIG->hooks[$hook][$entity_type] as $key => $hook_function) {
+		if ($hook_function == $function) {
+			unset($CONFIG->hooks[$hook][$entity_type][$key]);
+		}
+	}
+}
+
 /**
  * Triggers a plugin hook, with various parameters as an array. For example, to provide
  * a 'foo' hook that concerns an entity of type 'bar', with a parameter called 'param1'
-- 
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