Laravel 5.3.23 changes (#26)

src/Illuminate/Support/Arr.php

@@ -457,6 +457,19 @@ public static function set(&$array, $key, $value)
         return $array;
     }
 
+    /**
+     * Shuffle the given array and return the result.
+     *
+     * @param  array  $array
+     * @return array
+     */
+    public static function shuffle($array)
+    {
+        shuffle($array);
+
+        return $array;
+    }
+
     /**
      * Sort the array using the given callback or "dot" notation.
      *

src/Illuminate/Support/Collection.php

@@ -955,6 +955,10 @@ public function split($numberOfGroups)
      */
     public function chunk($size)
     {
+        if ($size <= 0) {
+            return new static;
+        }
+
         $chunks = [];
 
         foreach (array_chunk($this->items, $size, true) as $chunk) {

tests/Support/SupportCollectionTest.php

@@ -634,6 +634,23 @@ public function testSortByString()
         $this->assertEquals([['name' => 'dayle'], ['name' => 'taylor']], array_values($data->all()));
     }
 
+    public function testSortByAlwaysReturnsAssoc()
+    {
+        $data = new Collection(['a' => 'taylor', 'b' => 'dayle']);
+        $data = $data->sortBy(function ($x) {
+            return $x;
+        });
+
+        $this->assertEquals(['b' => 'dayle', 'a' => 'taylor'], $data->all());
+
+        $data = new Collection(['taylor', 'dayle']);
+        $data = $data->sortBy(function ($x) {
+            return $x;
+        });
+
+        $this->assertEquals([1 => 'dayle', 0 => 'taylor'], $data->all());
+    }
+
     public function testReverse()
     {
         $data = new Collection(['zaeed', 'alan']);
@@ -665,6 +682,26 @@ public function testChunk()
         $this->assertEquals([9 => 10], $data[3]->toArray());
     }
 
+    public function testChunkWhenGivenZeroAsSize()
+    {
+        $collection = new Collection([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
+
+        $this->assertEquals(
+            [],
+            $collection->chunk(0)->toArray()
+        );
+    }
+
+    public function testChunkWhenGivenLessThanZero()
+    {
+        $collection = new Collection([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
+
+        $this->assertEquals(
+            [],
+            $collection->chunk(-1)->toArray()
+        );
+    }
+
     public function testEvery()
     {
         $data = new Collection([