From dbbc8adb90d9583c01569fe8ad18700b5c01a650 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Wed, 16 Jun 2010 19:28:01 +0000
Subject: [PATCH] Make dbh parameter to select optional for plugin back compat.
 Don't pass by ref to preserve PHP 4 support. fixes #13914

git-svn-id: https://develop.svn.wordpress.org/trunk@15266 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/wp-db.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/wp-includes/wp-db.php b/wp-includes/wp-db.php
index d3ea6f33a8..6630efcf31 100644
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -733,9 +733,13 @@ class wpdb {
 	 * @since 0.71
 	 *
 	 * @param string $db MySQL database name
+	 * @param resource $dbh Optional link identifier.
 	 * @return null Always null.
 	 */
-	function select( $db, &$dbh ) {
+	function select( $db, $dbh = null) {
+		if ( is_null($dbh) ) 
+			$dbh = $this->dbh;
+
 		if ( !@mysql_select_db( $db, $dbh ) ) {
 			$this->ready = false;
 			$this->bail( sprintf( /*WP_I18N_DB_SELECT_DB*/'