From d397a1c20d2b5b35949b0b2adcc598ef1fec4efe Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Fri, 25 Jun 2010 15:11:36 +0000
Subject: [PATCH] Fix is_site_admin() when passing a username. Props
 francescolaffi. fixes #14046

git-svn-id: https://develop.svn.wordpress.org/trunk@15328 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/ms-deprecated.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/wp-includes/ms-deprecated.php b/wp-includes/ms-deprecated.php
index b607362832..4c3202d7c5 100644
--- a/wp-includes/ms-deprecated.php
+++ b/wp-includes/ms-deprecated.php
@@ -48,10 +48,10 @@ function is_site_admin( $user_login = '' ) {
 		if ( !$user_id )
 			return false;
 	} else {
-		$user = new WP_User( null, $user_login) ;
-		if ( empty( $user->id ) )
+		$user = get_user_by( 'login', $user_login );
+		if ( empty( $user->ID ) )
 			return false;
-		$user_id = $user->id;
+		$user_id = $user->ID;
 	}
 
 	return is_super_admin( $user_id );