From 7458d0504c10e50068df845ebd60ca9a9104fa47 Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@rc-d.net>
Date: Thu, 10 May 2018 06:02:57 -0400
Subject: [PATCH] Make InputfieldSelect show blank option even when selection
 is required per processwire/processwire-issues#585

---
 wire/modules/Inputfield/InputfieldSelect.module | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/wire/modules/Inputfield/InputfieldSelect.module b/wire/modules/Inputfield/InputfieldSelect.module
index 9358f88b..8c2d6c8a 100644
--- a/wire/modules/Inputfield/InputfieldSelect.module
+++ b/wire/modules/Inputfield/InputfieldSelect.module
@@ -276,9 +276,12 @@ class InputfieldSelect extends Inputfield {
 		reset($options); 
 		$key = key($options); 
 		$hasBlankOption = empty($key); 
-		if($allowBlank && !$hasBlankOption && !$this->attr('multiple') 
-			&& (!$this->required || ($this->hasFieldtype == 'FieldtypeOptions' && !$this->attr('value')))) {
-			$out .= "<option value=''>&nbsp;</option>";
+		if($allowBlank && !$hasBlankOption && !$this->attr('multiple')) { 
+			if($this->getSetting('required') && $this->attr('value')) {
+				// if required and a value is already selected, do not add a blank option
+			} else {
+				$out .= "<option value=''>&nbsp;</option>";
+			}
 		}
 
 		foreach($options as $value => $label) {