From e9d606ce2791a830864412ea5b5281751aedd979 Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Sun, 14 Mar 2021 13:57:21 +0100
Subject: [PATCH] add optgroup in formField()

---
 views/bootstrap/class.Bootstrap.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/views/bootstrap/class.Bootstrap.php b/views/bootstrap/class.Bootstrap.php
index f2bf74c1f..ff2cc853c 100644
--- a/views/bootstrap/class.Bootstrap.php
+++ b/views/bootstrap/class.Bootstrap.php
@@ -956,11 +956,15 @@ background-image: linear-gradient(to bottom, #882222, #111111);;
 				echo ">";
 				if(isset($value['options']) && is_array($value['options'])) {
 					foreach($value['options'] as $val) {
+						if(is_string($val)) {
+							echo '<optgroup label="'.$val.'">';
+						} elseif(is_array($val)) {
 						echo '<option value="'.$val[0].'"'.(!empty($val[2]) ? ' selected' : '');
 						if(!empty($val[3]) && is_array($val[3]))
 							foreach($val[3] as $a)
 								echo ' '.$a[0].'="'.$a[1].'"';
 						echo '>'.$val[1].'</option>';
+						}
 					}
 				}
 				echo '</select>';