From 34ffad5fd7a5f5f2aa0e3a27feea81ce0fc3d8dd Mon Sep 17 00:00:00 2001
From: David Herrera <david@alleyinteractive.com>
Date: Tue, 22 Nov 2016 22:38:57 -0500
Subject: [PATCH] Assign classes to the hidden checkbox form element

Fixes an issue where the hidden input would not be
renumbered. `.fm-checkbox-hidden` and `.fm-element` are analogous to the
classes assigned to the hidden Autocomplete field.
---
 php/class-fieldmanager-checkbox.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/php/class-fieldmanager-checkbox.php b/php/class-fieldmanager-checkbox.php
index 456298d4b2..11a0abbc7d 100644
--- a/php/class-fieldmanager-checkbox.php
+++ b/php/class-fieldmanager-checkbox.php
@@ -44,7 +44,10 @@ class Fieldmanager_Checkbox extends Fieldmanager_Field {
 	 */
 	public function form_element( $value = NULL ) {
 		return sprintf(
-			'<input type="hidden" name="%1$s" value="%6$s" /><input class="fm-element" type="checkbox" name="%1$s" value="%2$s" %3$s %4$s id="%5$s" />',
+			'
+			<input class="fm-checkbox-hidden fm-element" type="hidden" name="%1$s" value="%6$s" />
+			<input class="fm-element" type="checkbox" name="%1$s" value="%2$s" %3$s %4$s id="%5$s" />
+			',
 			esc_attr( $this->get_form_name() ),
 			esc_attr( (string) $this->checked_value ),
 			$this->get_element_attributes(),