return if value is empty

artack · Mar 17, 2017 · da37127 · da37127
1 parent 0d3302a
commit da37127
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/SwiftmailerEmailValidator.php b/src/SwiftmailerEmailValidator.php
@@ -12,6 +12,10 @@ class SwiftmailerEmailValidator extends ConstraintValidator
 {
     public function validate($value, Constraint $constraint)
     {
+        if (null === $value || '' === $value) {
+            return;
+        }
+
         $this->grammer = new \Swift_Mime_Grammar();
 
         if (!$this->isValid($value)) {