Fix case of contants based on best practices from PSR2

Signed-off-by: CodeLingoBot <[email protected]>

Author: CodeLingoBot

application/controller/LoginController.php

@@ -25,7 +25,7 @@ public function index()
         if (LoginModel::isUserLoggedIn()) {
             Redirect::home();
         } else {
-            $data = array('redirect' => Request::get('redirect') ? Request::get('redirect') : NULL);
+            $data = array('redirect' => Request::get('redirect') ? Request::get('redirect') : null);
             $this->View->render('login/index', $data);
         }
     }

application/core/Request.php

@@ -35,7 +35,7 @@ public static function post($key, $clean = false)
      */
     public static function postCheckbox($key)
     {
-        return isset($_POST[$key]) ? 1 : NULL;
+        return isset($_POST[$key]) ? 1 : null;
     }
 
     /**

application/model/LoginModel.php

@@ -362,7 +362,7 @@ public static function deleteCookie($user_id = null)
 
             $sql = "UPDATE users SET user_remember_me_token = :user_remember_me_token WHERE user_id = :user_id LIMIT 1";
             $sth = $database->prepare($sql);
-            $sth->execute(array(':user_remember_me_token' => NULL, ':user_id' => $user_id));
+            $sth->execute(array(':user_remember_me_token' => null, ':user_id' => $user_id));
         }
 
         // delete remember_me cookie in browser