From 5eaf080d6030f805ca9f64a4dcef9acad8553f81 Mon Sep 17 00:00:00 2001
From: benatoff <146389211+benatoff@users.noreply.github.com>
Date: Tue, 21 Jan 2025 16:55:17 +0100
Subject: [PATCH 1/3] fix: collapseWithKeys on empty collection

---
 src/Illuminate/Collections/Collection.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index 71b432cef89c..f6049d630767 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -148,6 +148,10 @@ public function collapse()
      */
     public function collapseWithKeys()
     {
+        if(! $this->items){
+            return $this;
+        }
+
         $results = [];
 
         foreach ($this->items as $key => $values) {

From d60b375a247bf689376cf685b6466c7b5ad3320e Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylor@laravel.com>
Date: Tue, 21 Jan 2025 10:12:12 -0600
Subject: [PATCH 2/3] Update Collection.php

---
 src/Illuminate/Collections/Collection.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index f6049d630767..463a9fc27621 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -148,7 +148,7 @@ public function collapse()
      */
     public function collapseWithKeys()
     {
-        if(! $this->items){
+        if (! $this->items) {
             return $this;
         }
 

From d97e308129f8fc9ce0bc9c517585e93b6100b7eb Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylor@laravel.com>
Date: Tue, 21 Jan 2025 10:12:33 -0600
Subject: [PATCH 3/3] Update Collection.php

---
 src/Illuminate/Collections/Collection.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index 463a9fc27621..9b95b18f949d 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -149,7 +149,7 @@ public function collapse()
     public function collapseWithKeys()
     {
         if (! $this->items) {
-            return $this;
+            return new static;
         }
 
         $results = [];