From c7c35e28a957f071711fb4688b629003f9d006ba Mon Sep 17 00:00:00 2001
From: Duncan McClean <duncan@duncanmcclean.com>
Date: Thu, 9 May 2024 18:35:45 +0100
Subject: [PATCH] [5.x] Fix `is_external_url` modifier with Link fields
 (#10027)

---
 src/Modifiers/CoreModifiers.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Modifiers/CoreModifiers.php b/src/Modifiers/CoreModifiers.php
index 36f9ff6bf0..f55e31a0e9 100644
--- a/src/Modifiers/CoreModifiers.php
+++ b/src/Modifiers/CoreModifiers.php
@@ -26,6 +26,7 @@
 use Statamic\Fields\Values;
 use Statamic\Fieldtypes\Bard;
 use Statamic\Fieldtypes\Bard\Augmentor;
+use Statamic\Fieldtypes\Link\ArrayableLink;
 use Statamic\Support\Arr;
 use Statamic\Support\Dumper;
 use Statamic\Support\Html;
@@ -1263,6 +1264,10 @@ public function isUrl($value)
      */
     public function isExternalUrl($value)
     {
+        if ($value instanceof ArrayableLink) {
+            $value = $value->value();
+        }
+
         return Str::isUrl($value) && URL::isExternal($value);
     }