Merge pull request #16803 from raicabogdan/5.0.x-entity-binding

Fix bug when trying to assign data to null entity

Author: niden

phalcon/Filter/Validation.zep

@@ -179,7 +179,8 @@ class Validation extends Injectable implements ValidationInterface
         let this->data = data;
         this->setEntity(entity);
 
-        if unlikely (typeof data != "array" && typeof data != "object") {
+        // if data is not an array / object or if the entity is null, then no need to proceed further
+        if unlikely (typeof data != "array" && typeof data != "object") || (null === entity) {
             return this;
         }