From 4ff30390dec4f9728b0ee5c8729e995a0a9e4b67 Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylor@laravel.com>
Date: Wed, 13 Jan 2021 11:35:04 -0600
Subject: [PATCH] Revert "[8.x] Add reduce with keys to collections and lazy
 collections (#35839)"

This reverts commit 08dbb8bea12104974ba86337bd37e0471254f39b.
---
 src/Illuminate/Collections/Collection.php     | 18 ------------------
 src/Illuminate/Collections/LazyCollection.php | 18 ------------------
 tests/Support/SupportCollectionTest.php       | 14 --------------
 3 files changed, 50 deletions(-)

diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index 6a8ab88818aa..f4c7b4007a91 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -884,24 +884,6 @@ public function reduce(callable $callback, $initial = null)
         return array_reduce($this->items, $callback, $initial);
     }
 
-    /**
-     * Reduce an associative collection to a single value.
-     *
-     * @param  callable  $callback
-     * @param  mixed $initial
-     * @return mixed
-     */
-    public function reduceWithKeys(callable $callback, $initial = null)
-    {
-        $result = $initial;
-
-        foreach ($this->items as $key => $value) {
-            $result = $callback($result, $value, $key);
-        }
-
-        return $result;
-    }
-
     /**
      * Replace the collection items with the given items.
      *
diff --git a/src/Illuminate/Collections/LazyCollection.php b/src/Illuminate/Collections/LazyCollection.php
index ca51626b071e..2384948f951a 100644
--- a/src/Illuminate/Collections/LazyCollection.php
+++ b/src/Illuminate/Collections/LazyCollection.php
@@ -845,24 +845,6 @@ public function reduce(callable $callback, $initial = null)
         return $result;
     }
 
-    /**
-     * Reduce an associative collection to a single value.
-     *
-     * @param  callable  $callback
-     * @param  mixed $initial
-     * @return mixed
-     */
-    public function reduceWithKeys(callable $callback, $initial = null)
-    {
-        $result = $initial;
-
-        foreach ($this as $key => $value) {
-            $result = $callback($result, $value, $key);
-        }
-
-        return $result;
-    }
-
     /**
      * Replace the collection items with the given items.
      *
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index b622884fe6c1..6faf65a1a3c2 100755
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -3592,20 +3592,6 @@ public function testReduce($collection)
         }));
     }
 
-    /**
-     * @dataProvider collectionClassProvider
-     */
-    public function testReduceWithKeys($collection)
-    {
-        $data = new $collection([
-            'foo' => 'bar',
-            'baz' => 'qux',
-        ]);
-        $this->assertEquals('foobarbazqux', $data->reduceWithKeys(function ($carry, $element, $key) {
-            return $carry .= $key.$element;
-        }));
-    }
-
     /**
      * @dataProvider collectionClassProvider
      */