From 4bddd8427664487d1697d6c201a8a5c1fee427d6 Mon Sep 17 00:00:00 2001
From: Scott Taylor <wonderboymusic@git.wordpress.org>
Date: Wed, 7 May 2014 03:55:32 +0000
Subject: [PATCH] In `wpdb`, remove dead code:

* In `->tables()`, `break` is unreachable after `return`
* In `->query()`, `$return` is always set, so doesn't need an initial value of `0`
* In `->delete()`, `$bits` is unused

See #27882.


git-svn-id: https://develop.svn.wordpress.org/trunk@28339 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/wp-db.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/wp-includes/wp-db.php b/src/wp-includes/wp-db.php
index 2eaf53e2ed..eed2401e4b 100644
--- a/src/wp-includes/wp-db.php
+++ b/src/wp-includes/wp-db.php
@@ -932,7 +932,6 @@ class wpdb {
 				break;
 			default :
 				return array();
-				break;
 		}
 
 		if ( $prefix ) {
@@ -1514,7 +1513,6 @@ class wpdb {
 		 */
 		$query = apply_filters( 'query', $query );
 
-		$return_val = 0;
 		$this->flush();
 
 		// Log how the function was called
@@ -1786,7 +1784,7 @@ class wpdb {
 		if ( ! is_array( $where ) )
 			return false;
 
-		$bits = $wheres = array();
+		$wheres = array();
 
 		$where_formats = $where_format = (array) $where_format;