From b3bf72d0faa76ffe3bb62141fca55d4decec19cf Mon Sep 17 00:00:00 2001
From: ben <ben@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Thu, 24 Apr 2008 13:19:32 +0000
Subject: The beginnings of a db upgrade system. See lib/version.php,
 /version.php and the datalist functions in elgglib.php.

git-svn-id: https://code.elgg.org/elgg/trunk@519 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 engine/lib/version.php | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 engine/lib/version.php

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

diff --git a/engine/lib/version.php b/engine/lib/version.php
new file mode 100644
index 000000000..ee707ca1d
--- /dev/null
+++ b/engine/lib/version.php
@@ -0,0 +1,49 @@
+<?php
+
+	/**
+	 * Elgg version library.
+	 * Contains code for handling versioning and upgrades.
+	 * 
+	 * @package Elgg
+	 * @subpackage Core
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.org/
+	 */
+
+	/**
+	 * Get the current version information
+	 *
+	 * @param true|false $humanreadable Whether to return a human readable version (default: false)
+	 * @return string|false Depending on success
+	 */
+		function get_version($humanreadable = false) {
+			
+			global $CONFIG;
+			if (@include($CONFIG->path . "version.php")) {
+				if ($humanreadable) return $version;
+				return $release;
+			}
+			
+			return false;
+			
+		}
+		
+	/**
+	 * Determines whether or not the database needs to be upgraded.
+	 *
+	 * @return true|false Depending on whether or not the db version matches the code version
+	 */
+		function db_upgrade_check() {
+			
+			$dbversion = (int) get_datalist('version');
+			$version = get_version();
+			
+			if ($version > $dbversion) {
+				return true;
+			}
+			return false;
+			
+		}
+
+?>
\ No newline at end of file
-- 
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