Add allowEmpty option to Email validator for flexible validation beha…

src/Emails/Validator/Email.php

@@ -12,6 +12,13 @@
  */
 class Email extends Validator
 {
+    protected bool $allowEmpty;
+
+    public function __construct(bool $allowEmpty = false)
+    {
+        $this->allowEmpty = $allowEmpty;
+    }
+
     /**
      * Get Description
      *
@@ -35,6 +42,10 @@ public function isValid($value): bool
             return false;
         }
 
+        if ($this->allowEmpty && \strlen($value) === 0) {
+            return true;
+        }
+
         try {
             $email = new EmailParser($value);
 

tests/Validator/EmailTest.php

@@ -78,4 +78,29 @@ public function test_validator_is_array(): void
 
         $this->assertEquals(false, $validator->isArray());
     }
+
+    public function test_allow_empty_disabled(): void
+    {
+        $validator = new Email(false);
+
+        $this->assertEquals(false, $validator->isValid(''));
+        $this->assertEquals(true, $validator->isValid('test@example.com'));
+    }
+
+    public function test_allow_empty_enabled(): void
+    {
+        $validator = new Email(true);
+
+        $this->assertEquals(true, $validator->isValid(''));
+        $this->assertEquals(true, $validator->isValid('test@example.com'));
+        $this->assertEquals(false, $validator->isValid('invalid-email'));
+    }
+
+    public function test_allow_empty_default_behavior(): void
+    {
+        $validator = new Email;
+
+        $this->assertEquals(false, $validator->isValid(''));
+        $this->assertEquals(true, $validator->isValid('test@example.com'));
+    }
 }