From 9ef45a720082372ba3c91e4244d4ca4afd327907 Mon Sep 17 00:00:00 2001
From: Andrew Ozz <azaozz@git.wordpress.org>
Date: Wed, 25 Mar 2015 03:22:18 +0000
Subject: [PATCH] Do not output empty name and id HTML attributes in
 get_submit_button(). Props afercia. Fixes #31749.

git-svn-id: https://develop.svn.wordpress.org/trunk@31880 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/template.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/wp-admin/includes/template.php b/src/wp-admin/includes/template.php
index 481593b0cb..cf3b30bdf3 100644
--- a/src/wp-admin/includes/template.php
+++ b/src/wp-admin/includes/template.php
@@ -1908,7 +1908,11 @@ function get_submit_button( $text = '', $type = 'primary large', $name = 'submit
 		$attributes = $other_attributes;
 	}
 
-	$button = '<input type="submit" name="' . esc_attr( $name ) . '" id="' . esc_attr( $id ) . '" class="' . esc_attr( $class );
+	// Don't output empty name and id attributes.
+	$name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
+	$id_attr = $id ? ' id="' . esc_attr( $id ) . '"' : '';
+
+	$button = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
 	$button	.= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
 
 	if ( $wrap ) {