From: Alexandre Emsenhuber <mediawiki@emsenhuber.ch>
Date: Tue, 11 Mar 2014 16:30:06 +0000 (+0100)
Subject: Don't use isset() to check whether an existing variable is null
X-Git-Tag: 1.31.0-rc.0~16591^2
X-Git-Url: http://git.cyclocoop.org//%27http:/jquery.khurshid.com/ifixpng.php/%27?a=commitdiff_plain;h=2708725a71eae3eb06b970a0b207af9894b4b659;p=lhc%2Fweb%2Fwiklou.git

Don't use isset() to check whether an existing variable is null

Change-Id: I05ad172f69189cbef86c65d5990e76edbedfd7c6
---

diff --git a/includes/UserMailer.php b/includes/UserMailer.php
index fe80929a56..4d8fce8fe4 100644
--- a/includes/UserMailer.php
+++ b/includes/UserMailer.php
@@ -276,7 +276,7 @@ class UserMailer {
 				$headers = $mime->headers( $headers );
 			}
 		}
-		if ( !isset( $mime ) ) {
+		if ( $mime === null ) {
 			// sending text only, either deliberately or as a fallback
 			if ( wfIsWindows() ) {
 				$body = str_replace( "\n", "\r\n", $body );