From e1a664826fa5fd58891055587d0c2ca9a6dcd957 Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@rc-d.net>
Date: Thu, 27 Jun 2019 10:27:42 -0400
Subject: [PATCH] Fix issue processwire/processwire-issues#871

---
 wire/core/Sanitizer.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/wire/core/Sanitizer.php b/wire/core/Sanitizer.php
index 30dbe447..9d5eeb58 100644
--- a/wire/core/Sanitizer.php
+++ b/wire/core/Sanitizer.php
@@ -417,6 +417,10 @@ class Sanitizer extends Wire {
 		$allowedExtras[] = ' ';
 		$value = $this->nameFilter($value, $allowedExtras, $replacementChar, $beautify, 8192);
 		if($delimeter != ' ') $value = str_replace(' ', $delimeter, $value); 
+		while(strpos($value, "$delimeter$delimeter") !== false) {
+			$value = str_replace("$delimeter$delimeter", $delimeter, $value);
+		}
+		$value = trim($value, $delimeter); 
 		if($isArray) $value = explode($delimeter, $value); 
 		return $value;
 	}