From 36bb44e0a58bde6866d9ea99a4f6c847407d01aa Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 3 Feb 2023 08:15:43 -0500
Subject: [PATCH] Fix issue processwire/processwire-issues#1675

---
 wire/core/WireArray.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wire/core/WireArray.php b/wire/core/WireArray.php
index f09035e1..0f1fa0b7 100644
--- a/wire/core/WireArray.php
+++ b/wire/core/WireArray.php
@@ -1613,7 +1613,7 @@ class WireArray extends Wire implements \IteratorAggregate, \ArrayAccess, \Count
 					}
 				} else {
 					$value = $this->getItemPropertyValue($item, $selector->field);
-					if(is_array($value)) $value = $this->wire()->sanitizer->flatArray($value);
+					$value = is_array($value) ? $this->wire()->sanitizer->flatArray($value) : (string) $value;
 				}
 				if($not === $selector->matches($value) && isset($this->data[$key])) {
 					$qtyMatch++;