From ad0f6b9708387e4bc689e945e02974c9002f2f40 Mon Sep 17 00:00:00 2001
From: Victor Bjelkholm <victor@bjelkholm.com>
Date: Mon, 14 Jul 2014 12:43:00 +0200
Subject: [PATCH] Add instanceOf validation

---
 src/Valitron/Validator.php      | 25 +++++++++++++++++++++++--
 tests/Valitron/ValidateTest.php | 29 +++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/src/Valitron/Validator.php b/src/Valitron/Validator.php
index 1e3bc3c..13bff59 100644
--- a/src/Valitron/Validator.php
+++ b/src/Valitron/Validator.php
@@ -667,6 +667,25 @@ class Validator
         return false;
     }
 
+    protected function validateInstanceOf($field, $value, $params)
+    {
+        $isInstanceOf = false;
+        if(is_object($value)) {
+            if(is_object($params[0]) && $value instanceof $params[0]) {
+                $isInstanceOf = true;
+            }
+            if(get_class($value) === $params[0]) {
+                $isInstanceOf = true;
+            }
+        }
+        if(is_string($value)) {
+            if(is_string($params[0]) && get_class($value) === $params[0]) {
+                $isInstanceOf = true;
+            }
+        }
+        return $isInstanceOf;
+    }
+
 
     /**
      *  Get array of fields and data
@@ -713,8 +732,10 @@ class Validator
                 $param = $param->format('Y-m-d');
             }
             // Use custom label instead of field name if set
-            if (isset($this->_labels[$param])) {
-                $param = $this->_labels[$param];
+            if(is_string($params[0])) {
+                if (isset($this->_labels[$param])) {
+                    $param = $this->_labels[$param];
+                }
             }
             $values[] = $param;
         }
diff --git a/tests/Valitron/ValidateTest.php b/tests/Valitron/ValidateTest.php
index a05bd7d..b38097b 100644
--- a/tests/Valitron/ValidateTest.php
+++ b/tests/Valitron/ValidateTest.php
@@ -800,6 +800,35 @@ class ValidateTest extends BaseTestCase
             }
         }
     }
+
+    public function testInstanceOfValidWithString()
+    {
+      $v = new Validator(['attributeName' => new stdClass()]);
+      $v->rule('instanceOf', 'attributeName', 'stdClass');
+      $this->assertTrue($v->validate());
+    }
+
+    public function testInstanceOfInvalidWithInstance()
+    {
+      $v = new Validator(['attributeName' => new stdClass()]);
+      $v->rule('instanceOf', 'attributeName', new Validator([]));
+      $this->assertFalse($v->validate());
+    }
+
+    public function testInstanceOfValidWithInstance()
+    {
+      $v = new Validator(['attributeName' => new stdClass()]);
+      $v->rule('instanceOf', 'attributeName', new stdClass());
+      $this->assertTrue($v->validate());
+    }
+
+    public function testInstanceOfInvalidWithString()
+    {
+      $v = new Validator(['attributeName' => new stdClass()]);
+      $v->rule('instanceOf', 'attributeName', 'SomeOtherClass');
+      $this->assertFalse($v->validate());
+    }
+
 }
 
 function sampleFunctionCallback($field, $value, array $params) {