From 37f40b79356acd8fcad343e94755e69a56c34b9a Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Mon, 4 Jul 2005 21:53:26 +0000
Subject: [PATCH] register_activation_hook() and register_deactivation_hook(). 
 Let's try these on.

git-svn-id: https://develop.svn.wordpress.org/trunk@2697 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/admin-functions.php |  4 ----
 wp-admin/plugins.php         | 13 +++++++------
 wp-includes/functions.php    | 16 ++++++++++++++++
 3 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/wp-admin/admin-functions.php b/wp-admin/admin-functions.php
index 56cb1fa63b..ac29725254 100644
--- a/wp-admin/admin-functions.php
+++ b/wp-admin/admin-functions.php
@@ -1072,10 +1072,6 @@ function get_admin_page_parent() {
 	return '';
 }
 
-function plugin_basename($file) {
-	return preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', $file);
-}
-
 function add_menu_page($page_title, $menu_title, $access_level, $file, $function = '') {
 	global $menu, $admin_page_hooks;
 
diff --git a/wp-admin/plugins.php b/wp-admin/plugins.php
index 1e7de39f69..3b0f997d61 100644
--- a/wp-admin/plugins.php
+++ b/wp-admin/plugins.php
@@ -3,21 +3,22 @@ require_once('admin.php');
 
 if ( isset($_GET['action']) ) {
 	check_admin_referer();
-
+	
 	if ('activate' == $_GET['action']) {
 		$current = get_settings('active_plugins');
 		if (!in_array($_GET['plugin'], $current)) {
 			$current[] = trim( $_GET['plugin'] );
+			sort($current);
+			update_option('active_plugins', $current);
+			include(ABSPATH . 'wp-content/plugins/' . trim( $_GET['plugin'] ));
+			do_action('activate_' . trim( $_GET['plugin'] ));
 		}
-		sort($current);
-		update_option('active_plugins', $current);
 		header('Location: plugins.php?activate=true');
-	}
-	
-	if ('deactivate' == $_GET['action']) {
+	} else if ('deactivate' == $_GET['action']) {
 		$current = get_settings('active_plugins');
 		array_splice($current, array_search( $_GET['plugin'], $current), 1 ); // Array-fu!
 		update_option('active_plugins', $current);
+		do_action('deactivate_' . trim( $_GET['plugin'] ));
 		header('Location: plugins.php?deactivate=true');
 	}
 }
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 0be231a35e..b0c74dcfbd 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1966,4 +1966,20 @@ function update_usermeta( $user_id, $meta_key, $meta_value ) {
 		$wpdb->query("UPDATE $wpdb->usermeta SET meta_value = '$meta_value' WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
 }
 
+function register_activation_hook($file, $function) {
+	$file = plugin_basename($file);
+	
+	add_action('activate_' . $file, $function);
+}
+
+function register_deactivation_hook($file, $function) {
+	$file = plugin_basename($file);
+	
+	add_action('deactivate_' . $file, $function);
+}
+
+function plugin_basename($file) {
+	return preg_replace('/^.*wp-content[\\\\\/]plugins[\\\\\/]/', '', $file);
+}
+
 ?>
\ No newline at end of file