From 751d1da7048f13ac37176d09da4097571c251f8f Mon Sep 17 00:00:00 2001
From: Matias Griese <matias@trilbymedia.com>
Date: Fri, 11 Jan 2019 13:03:04 +0200
Subject: [PATCH] Added unset type/filter to the validation

---
 system/src/Grav/Common/Data/Validation.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/system/src/Grav/Common/Data/Validation.php b/system/src/Grav/Common/Data/Validation.php
index fbf8922f8..f3a03f04e 100644
--- a/system/src/Grav/Common/Data/Validation.php
+++ b/system/src/Grav/Common/Data/Validation.php
@@ -662,6 +662,23 @@ class Validation
         return $value;
     }
 
+    /**
+     * Input value which can be ignored.
+     *
+     * @param  mixed  $value   Value to be validated.
+     * @param  array  $params  Validation parameters.
+     * @param  array  $field   Blueprint for the field.
+     * @return bool   True if validation succeeded.
+     */
+    public static function typeUnset($value, array $params, array $field)
+    {
+        return true;
+    }
+
+    public static function filterUnset($value, array $params, array $field)
+    {
+        return null;
+    }
 
     // HTML5 attributes (min, max and range are handled inside the types)