From: Sam Reed <reedy@users.mediawiki.org>
Date: Thu, 5 Jan 2012 18:49:19 +0000 (+0000)
Subject: Followup r107932
X-Git-Tag: 1.31.0-rc.0~25502
X-Git-Url: http://git.cyclocoop.org/%22%20.%20generer_url_ecrire%28%22lang_raccourcis%22%2C%22module=%24nom_module%22%29%20.%20%22?a=commitdiff_plain;h=cd4cdfc15d7159cc527ec1f6ba1075b08665bace;p=lhc%2Fweb%2Fwiklou.git

Followup r107932

Check random class to be isntantiated is a subclass of DatabaseBase
---

diff --git a/includes/db/Database.php b/includes/db/Database.php
index 3da148681a..be8d332b2c 100644
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -686,7 +686,7 @@ abstract class DatabaseBase implements DatabaseType {
 				isset( $p['flags'] ) ? $p['flags'] : 0,
 				isset( $p['tablePrefix'] ) ? $p['tablePrefix'] : 'get from global'
 			);
-		} elseif ( class_exists( $class ) ) {
+		} elseif ( class_exists( $class ) && is_subclass_of( $class, 'DatabaseBase' ) ) {
 			return new $class( $p );
 		} else {
 			return null;