From c6c5dd3fdaab97c66f1bce74442d804cfc39182c Mon Sep 17 00:00:00 2001
From: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Date: Thu, 5 May 2022 15:13:02 -0300
Subject: [PATCH] automatically instantiate attributes using php class names

---
 src/Purifier.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Purifier.php b/src/Purifier.php
index 9c06f02..1e34778 100644
--- a/src/Purifier.php
+++ b/src/Purifier.php
@@ -143,7 +143,11 @@ private function addCustomAttributes(array $attributes, HTMLPurifier_HTMLDefinit
                 }
 
                 continue;
-            }
+	    }
+
+	    if (class_exists($validValues)) {
+		$validValues = new $validValues();
+	    }
 
             $definition->addAttribute($onElement, $attrName, $validValues);
         }