From cf8065ccd0bd3aec5d19483aec85f3ecd2936407 Mon Sep 17 00:00:00 2001
From: Mohamed Said <themsaid@gmail.com>
Date: Sat, 6 Aug 2016 16:08:02 +0200
Subject: [PATCH] support dot notation in Request::exists() to fix #14643
 (#14660)

---
 src/Illuminate/Http/Request.php | 2 +-
 tests/Http/HttpRequestTest.php  | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Illuminate/Http/Request.php b/src/Illuminate/Http/Request.php
index fcf0bf4532b9..555dddb75a95 100644
--- a/src/Illuminate/Http/Request.php
+++ b/src/Illuminate/Http/Request.php
@@ -273,7 +273,7 @@ public function exists($key)
         $input = $this->all();
 
         foreach ($keys as $value) {
-            if (! array_key_exists($value, $input)) {
+            if (! Arr::has($input, $value)) {
                 return false;
             }
         }
diff --git a/tests/Http/HttpRequestTest.php b/tests/Http/HttpRequestTest.php
index cea56ec146c7..333c459c5ac3 100644
--- a/tests/Http/HttpRequestTest.php
+++ b/tests/Http/HttpRequestTest.php
@@ -204,6 +204,10 @@ public function testExistsMethod()
         $request = Request::create('/', 'GET', ['foo' => '', 'bar' => null]);
         $this->assertTrue($request->exists('foo'));
         $this->assertTrue($request->exists('bar'));
+
+        $request = Request::create('/', 'GET', ['foo' => ['bar' => null, 'baz' => '']]);
+        $this->assertTrue($request->exists('foo.bar'));
+        $this->assertTrue($request->exists('foo.baz'));
     }
 
     public function testHasMethod()
@@ -220,6 +224,9 @@ public function testHasMethod()
         //test arrays within query string
         $request = Request::create('/', 'GET', ['foo' => ['bar', 'baz']]);
         $this->assertTrue($request->has('foo'));
+
+        $request = Request::create('/', 'GET', ['foo' => ['bar' => 'baz']]);
+        $this->assertTrue($request->has('foo.bar'));
     }
 
     public function testInputMethod()