From 790f9feb68502b01eb8afc4a87f6538213ad7c0b Mon Sep 17 00:00:00 2001
From: Jon Cave <duck_@git.wordpress.org>
Date: Wed, 21 Aug 2013 19:13:35 +0000
Subject: [PATCH] Pass false returned for timed out transients through
 transient_$transient filter.

This brings the same behaviour as external object caches to the default database
backend.

Props johnbillion. Fixes #24685.


git-svn-id: https://develop.svn.wordpress.org/trunk@25075 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/option.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/wp-includes/option.php b/src/wp-includes/option.php
index 66c74c5266..385ba89253 100644
--- a/src/wp-includes/option.php
+++ b/src/wp-includes/option.php
@@ -461,12 +461,13 @@ function get_transient( $transient ) {
 				if ( get_option( $transient_timeout ) < time() ) {
 					delete_option( $transient_option  );
 					delete_option( $transient_timeout );
-					return false;
+					$value = false;
 				}
 			}
 		}
 
-		$value = get_option( $transient_option );
+		if ( ! isset( $value ) )
+			$value = get_option( $transient_option );
 	}
 
 	return apply_filters( 'transient_' . $transient, $value );
@@ -1029,11 +1030,12 @@ function get_site_transient( $transient ) {
 			if ( false !== $timeout && $timeout < time() ) {
 				delete_site_option( $transient_option  );
 				delete_site_option( $transient_timeout );
-				return false;
+				$value = false;
 			}
 		}
 
-		$value = get_site_option( $transient_option );
+		if ( ! isset( $value ) )
+			$value = get_site_option( $transient_option );
 	}
 
 	return apply_filters( 'site_transient_' . $transient, $value );