From 5dc7fd9fb3cd96f78146db252344d1cfb2078694 Mon Sep 17 00:00:00 2001
From: Vance Lucas <vance@vancelucas.com>
Date: Fri, 30 Aug 2013 10:31:57 -0500
Subject: [PATCH] Add support for associative arrays using 'in'

---
 src/Valitron/Validator.php      |  4 ++++
 tests/Valitron/ValidateTest.php | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/Valitron/Validator.php b/src/Valitron/Validator.php
index e25de20..1ee80ca 100644
--- a/src/Valitron/Validator.php
+++ b/src/Valitron/Validator.php
@@ -226,6 +226,10 @@ class Validator
      */
     protected function validateIn($field, $value, $params)
     {
+        $isAssoc = array_values($params[0]) !== $params[0];
+        if($isAssoc) {
+            $params[0] = array_keys($params[0]);
+        }
         return in_array($value, $params[0]);
     }
 
diff --git a/tests/Valitron/ValidateTest.php b/tests/Valitron/ValidateTest.php
index b3d5d1b..0c1f41a 100644
--- a/tests/Valitron/ValidateTest.php
+++ b/tests/Valitron/ValidateTest.php
@@ -182,6 +182,17 @@ class ValidateTest extends BaseTestCase
         $this->assertTrue($v->validate());
     }
 
+    public function testInValidAssociativeArray()
+    {
+        $v = new Validator(array('color' => 'green'));
+        $v->rule('in', 'color', array(
+            'red' => 'Red',
+            'green' => 'Green',
+            'blue' => 'Blue'
+        ));
+        $this->assertTrue($v->validate());
+    }
+
     public function testInInvalid()
     {
         $v = new Validator(array('color' => 'yellow'));