From fcf7cda3c67fb4e53a380e4cb1e30864be6308f8 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Wed, 2 May 2012 20:38:58 +0000
Subject: [PATCH] A more resilient check for the base table prefix. see #19970.

git-svn-id: https://develop.svn.wordpress.org/trunk@20700 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/install.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-admin/install.php b/wp-admin/install.php
index 2460d6d668..6e37516461 100644
--- a/wp-admin/install.php
+++ b/wp-admin/install.php
@@ -162,7 +162,7 @@ if ( !$mysql_compat || !$php_compat ) {
 	die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
 }
 
-if ( empty( $wpdb->prefix ) ) {
+if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
 	display_header();	
 	die( '<h1>' . __( 'Configuration Error' ) . '</h1><p>' . __( 'Your <code>wp-config.php</code> file has an empty database table prefix, which is not supported.' ) . '</p></body></html>' );
 }