From 420b6af50a736cfee62532f905ef5c56da551086 Mon Sep 17 00:00:00 2001
From: Gary Pendergast <pento@git.wordpress.org>
Date: Thu, 20 Oct 2016 09:03:09 +0000
Subject: [PATCH] Twenty Seventeen: Fix a PHP warning on fresh installs.

When setting the `transport` parameter on Customizer settings, we need to ensure the setting exists, particularly on new sites.

See #38372.



git-svn-id: https://develop.svn.wordpress.org/trunk@38837 602fd350-edb4-49c9-b593-d223f7449a82
---
 .../themes/twentyseventeen/inc/customizer.php        | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/wp-content/themes/twentyseventeen/inc/customizer.php b/src/wp-content/themes/twentyseventeen/inc/customizer.php
index e2566507a0..91bbc545ec 100644
--- a/src/wp-content/themes/twentyseventeen/inc/customizer.php
+++ b/src/wp-content/themes/twentyseventeen/inc/customizer.php
@@ -1,4 +1,4 @@
-<?php
+ <?php
 /**
  * Twenty Seventeen: Theme Customizer
  *
@@ -13,9 +13,13 @@
  * @param WP_Customize_Manager $wp_customize Theme Customizer object.
  */
 function twentyseventeen_customize_register( $wp_customize ) {
-	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
-	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
-	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
+	$postMessage_settings = array( 'blogname', 'blogdescription', 'header_textcolor' );
+	foreach( $postMessage_settings as $postMessage_setting ) {
+		$setting = $wp_customize->get_setting( $postMessage_setting );
+		if ( $setting ) {
+			$setting->transport = 'postMessage';
+		}
+	}
 
 	/**
 	 * Custom colors.