From 9f35f834cbbd571fb622e56e45246df9d29ac683 Mon Sep 17 00:00:00 2001
From: Mohamed Said <themohamedsaid@gmail.com>
Date: Fri, 26 Jan 2018 20:25:58 +0200
Subject: [PATCH]       accept dot notation in session::exists

---
 src/Illuminate/Session/Store.php   | 7 +++++--
 tests/Session/SessionStoreTest.php | 3 +++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Illuminate/Session/Store.php b/src/Illuminate/Session/Store.php
index 0f4f20c9391e..99bf82b37e6f 100755
--- a/src/Illuminate/Session/Store.php
+++ b/src/Illuminate/Session/Store.php
@@ -3,6 +3,7 @@
 namespace Illuminate\Session;
 
 use Closure;
+use stdClass;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
 use SessionHandlerInterface;
@@ -174,8 +175,10 @@ public function all()
      */
     public function exists($key)
     {
-        return ! collect(is_array($key) ? $key : func_get_args())->contains(function ($key) {
-            return ! Arr::exists($this->attributes, $key);
+        $placeholder = new stdClass();
+
+        return ! collect(is_array($key) ? $key : func_get_args())->contains(function ($key) use ($placeholder) {
+            return $this->get($key, $placeholder) === $placeholder;
         });
     }
 
diff --git a/tests/Session/SessionStoreTest.php b/tests/Session/SessionStoreTest.php
index 14192bb9b0e7..812842412b88 100644
--- a/tests/Session/SessionStoreTest.php
+++ b/tests/Session/SessionStoreTest.php
@@ -324,11 +324,14 @@ public function testKeyExists()
         $session->put('foo', 'bar');
         $this->assertTrue($session->exists('foo'));
         $session->put('baz', null);
+        $session->put('hulk', ['one' => true]);
         $this->assertFalse($session->has('baz'));
         $this->assertTrue($session->exists('baz'));
         $this->assertFalse($session->exists('bogus'));
         $this->assertTrue($session->exists(['foo', 'baz']));
         $this->assertFalse($session->exists(['foo', 'baz', 'bogus']));
+        $this->assertTrue($session->exists(['hulk.one']));
+        $this->assertFalse($session->exists(['hulk.two']));
     }
 
     public function testRememberMethodCallsPutAndReturnsDefault()