From b32eee2f85bee1025ac5aa482bd3fa1f2cc01268 Mon Sep 17 00:00:00 2001
From: Vincent Gabriel <vadimg88@gmail.com>
Date: Mon, 19 Jun 2017 16:32:01 -0700
Subject: [PATCH 1/2] Added array_intersect_key to the Collection object -
 19680

---
 src/Illuminate/Support/Collection.php   | 11 +++++++++++
 tests/Support/SupportCollectionTest.php | 12 ++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 4a879bd36673..7008e104eb2b 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -624,6 +624,17 @@ public function intersect($items)
         return new static(array_intersect($this->items, $this->getArrayableItems($items)));
     }
 
+    /**
+     * Intersect the collection with the given items by key
+     *
+     * @param  mixed  $items
+     * @return static
+     */
+    public function intersectKey($items)
+    {
+        return new static(array_intersect_key($this->items, $this->getArrayableItems($items)));
+    }
+
     /**
      * Determine if the collection is empty or not.
      *
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index a05adfa1f16f..15f5a40e6860 100755
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -564,6 +564,18 @@ public function testIntersectCollection()
         $this->assertEquals(['first_word' => 'Hello'], $c->intersect(new Collection(['first_world' => 'Hello', 'last_word' => 'World']))->all());
     }
 
+    public function testIntersectKeyNull()
+    {
+        $c = new Collection(['id' => 1, 'first_word' => 'Hello']);
+        $this->assertEquals([], $c->intersectKey(null)->all());
+    }
+
+    public function testIntersectKeyCollection()
+    {
+        $c = new Collection(['id' => 1, 'first_word' => 'Hello']);
+        $this->assertEquals(['first_word' => 'Hello'], $c->intersectKey(new Collection(['first_word' => 'Hello', 'last_word' => 'World']))->all());
+    }
+
     public function testUnique()
     {
         $c = new Collection(['Hello', 'World', 'World']);

From a78855878e520970e0c9fc75f43496c8ca5e6f23 Mon Sep 17 00:00:00 2001
From: Vincent Gabriel <vadimg88@gmail.com>
Date: Mon, 19 Jun 2017 16:36:07 -0700
Subject: [PATCH 2/2] style ci

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

diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 7008e104eb2b..498b1b4bd280 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -625,7 +625,7 @@ public function intersect($items)
     }
 
     /**
-     * Intersect the collection with the given items by key
+     * Intersect the collection with the given items by key.
      *
      * @param  mixed  $items
      * @return static