From 7d5bce2658143340a9b1e0dd1cb5d67c28654dd3 Mon Sep 17 00:00:00 2001
From: Benson Lee <benson.lee@gmail.com>
Date: Fri, 13 Jan 2017 13:31:20 -0800
Subject: [PATCH] Laravel 5.3.29 changes (#30)

---
 src/Illuminate/Support/Collection.php   | 23 +++++++++++------------
 tests/Support/SupportCollectionTest.php | 16 +++++++++++++---
 2 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/src/Illuminate/Support/Collection.php b/src/Illuminate/Support/Collection.php
index 587f62b..0c29db1 100644
--- a/src/Illuminate/Support/Collection.php
+++ b/src/Illuminate/Support/Collection.php
@@ -85,7 +85,7 @@ public function average($callback = null)
      * Get the median of a given key.
      *
      * @param  null $key
-     * @return mixed|null
+     * @return mixed
      */
     public function median($key = null)
     {
@@ -859,7 +859,7 @@ public function random($amount = 1)
      * Reduce the collection to a single value.
      *
      * @param  callable  $callback
-     * @param  mixed     $initial
+     * @param  mixed  $initial
      * @return mixed
      */
     public function reduce(callable $callback, $initial = null)
@@ -900,7 +900,7 @@ public function reverse()
      * Search the collection for a given value and return the corresponding key if successful.
      *
      * @param  mixed  $value
-     * @param  bool   $strict
+     * @param  bool  $strict
      * @return mixed
      */
     public function search($value, $strict = false)
@@ -931,7 +931,7 @@ public function shift()
     /**
      * Shuffle the items in the collection.
      *
-     * @param int $seed
+     * @param  int  $seed
      * @return static
      */
     public function shuffle($seed = null)
@@ -954,8 +954,8 @@ public function shuffle($seed = null)
     /**
      * Slice the underlying collection array.
      *
-     * @param  int   $offset
-     * @param  int   $length
+     * @param  int  $offset
+     * @param  int  $length
      * @return static
      */
     public function slice($offset, $length = null)
@@ -983,7 +983,7 @@ public function split($numberOfGroups)
     /**
      * Chunk the underlying collection array.
      *
-     * @param  int   $size
+     * @param  int  $size
      * @return static
      */
     public function chunk($size)
@@ -1022,7 +1022,7 @@ public function sort(callable $callback = null)
      * Sort the collection using the given callback.
      *
      * @param  callable|string  $callback
-     * @param  int   $options
+     * @param  int  $options
      * @param  bool  $descending
      * @return static
      */
@@ -1133,7 +1133,6 @@ public function transform(callable $callback)
      *
      * @param  string|callable|null  $key
      * @param  bool  $strict
-     *
      * @return static
      */
     public function unique($key = null, $strict = false)
@@ -1142,12 +1141,12 @@ public function unique($key = null, $strict = false)
             return new static(array_unique($this->items, SORT_REGULAR));
         }
 
-        $key = $this->valueRetriever($key);
+        $callback = $this->valueRetriever($key);
 
         $exists = [];
 
-        return $this->reject(function ($item) use ($key, $strict, &$exists) {
-            if (in_array($id = $key($item), $exists, $strict)) {
+        return $this->reject(function ($item, $key) use ($callback, $strict, &$exists) {
+            if (in_array($id = $callback($item, $key), $exists, $strict)) {
                 return true;
             }
 
diff --git a/tests/Support/SupportCollectionTest.php b/tests/Support/SupportCollectionTest.php
index ca84d9b..39be602 100644
--- a/tests/Support/SupportCollectionTest.php
+++ b/tests/Support/SupportCollectionTest.php
@@ -556,9 +556,12 @@ public function testUnique()
     public function testUniqueWithCallback()
     {
         $c = new Collection([
-            1 => ['id' => 1, 'first' => 'Taylor', 'last' => 'Otwell'], 2 => ['id' => 2, 'first' => 'Taylor', 'last' => 'Otwell'],
-            3 => ['id' => 3, 'first' => 'Abigail', 'last' => 'Otwell'], 4 => ['id' => 4, 'first' => 'Abigail', 'last' => 'Otwell'],
-            5 => ['id' => 5, 'first' => 'Taylor', 'last' => 'Swift'], 6 => ['id' => 6, 'first' => 'Taylor', 'last' => 'Swift'],
+            1 => ['id' => 1, 'first' => 'Taylor', 'last' => 'Otwell'],
+            2 => ['id' => 2, 'first' => 'Taylor', 'last' => 'Otwell'],
+            3 => ['id' => 3, 'first' => 'Abigail', 'last' => 'Otwell'],
+            4 => ['id' => 4, 'first' => 'Abigail', 'last' => 'Otwell'],
+            5 => ['id' => 5, 'first' => 'Taylor', 'last' => 'Swift'],
+            6 => ['id' => 6, 'first' => 'Taylor', 'last' => 'Swift'],
         ]);
 
         $this->assertEquals([
@@ -573,6 +576,13 @@ public function testUniqueWithCallback()
         ], $c->unique(function ($item) {
             return $item['first'].$item['last'];
         })->all());
+
+        $this->assertEquals([
+            1 => ['id' => 1, 'first' => 'Taylor', 'last' => 'Otwell'],
+            2 => ['id' => 2, 'first' => 'Taylor', 'last' => 'Otwell'],
+        ], $c->unique(function ($item, $key) {
+            return $key % 2;
+        })->all());
     }
 
     public function testUniqueStrict()