From c3219a630fbf9627538f37107c8427cdb60b949b Mon Sep 17 00:00:00 2001
From: Aaron Costello <aaronjamescos@gmail.com>
Date: Fri, 3 Feb 2017 17:16:22 +0000
Subject: [PATCH 1/2] Add tap method to collection

---
 src/Illuminate/Support/Collection.php   | 12 ++++++++++++
 tests/Support/SupportCollectionTest.php | 13 +++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 93bf117c67c3..3529f3ce420e 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -826,6 +826,18 @@ public function pipe(callable $callback)
         return $callback($this);
     }
 
+    /**
+     * Pass the collection to the given callback and return the current instance.
+     *
+     * @param  callable $callback
+     * @return $this
+     */
+    public function tap(callable $callback)
+    {
+        $callback(new static($this->items));
+        return $this;
+    }
+
     /**
      * Get and remove the last item from the collection.
      *
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index 22ac4b3a2599..59be6b0d4290 100755
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -1882,6 +1882,19 @@ public function testHigherOrderPartition()
 
         $this->assertSame(['b' => ['free' => false]], $premium->toArray());
     }
+
+    public function testTap()
+    {
+        $collection = new Collection([1, 2, 3]);
+
+        $fromTap = [];
+        $collection = $collection->tap(function ($collection) use (&$fromTap) {
+            $fromTap = $collection->slice(0, 1)->toArray();
+        });
+
+        $this->assertSame([1], $fromTap);
+        $this->assertSame([1, 2, 3], $collection->toArray());
+    }
 }
 
 class TestSupportCollectionHigherOrderItem

From 5cd2eda8c2bd01e268c20c75d2a26cda3b0496f6 Mon Sep 17 00:00:00 2001
From: Aaron Costello <aaronjamescos@gmail.com>
Date: Fri, 3 Feb 2017 17:20:49 +0000
Subject: [PATCH 2/2] cs fix

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

diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 3529f3ce420e..e9f9e4f9b51a 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -835,6 +835,7 @@ public function pipe(callable $callback)
     public function tap(callable $callback)
     {
         $callback(new static($this->items));
+
         return $this;
     }