diff --git a/src/Illuminate/Database/Connection.php b/src/Illuminate/Database/Connection.php
index 5449fd90e31d..4b416c393ca1 100755
--- a/src/Illuminate/Database/Connection.php
+++ b/src/Illuminate/Database/Connection.php
@@ -504,7 +504,7 @@ public function unprepared($query)
             }
 
             $this->recordsHaveBeenModified(
-                $change = ($this->getPdo()->exec($query) === false ? false : true)
+                $change = $this->getPdo()->exec($query) !== false
             );
 
             return $change;
diff --git a/src/Illuminate/Validation/Validator.php b/src/Illuminate/Validation/Validator.php
index 3f7fb98ba428..095269bda74d 100755
--- a/src/Illuminate/Validation/Validator.php
+++ b/src/Illuminate/Validation/Validator.php
@@ -493,7 +493,7 @@ protected function passesOptionalCheck($attribute)
         $data = ValidationData::initializeAndGatherData($attribute, $this->data);
 
         return array_key_exists($attribute, $data)
-                    || in_array($attribute, array_keys($this->data));
+                    || array_key_exists($attribute, $this->data);
     }
 
     /**
@@ -558,7 +558,7 @@ protected function shouldStopValidating($attribute)
         }
 
         if (isset($this->failedRules[$attribute]) &&
-            in_array('uploaded', array_keys($this->failedRules[$attribute]))) {
+            array_key_exists('uploaded', $this->failedRules[$attribute])) {
             return true;
         }