add to string method

Author: tomirons

tests/Fixtures/UppercaseRule.php

@@ -15,10 +15,15 @@ class UppercaseRule implements ValidationRule
      * @param  \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
      * @return void
      */
-    public function validate(string $attribute, mixed $value, Closure $fail): void 
+    public function validate(string $attribute, mixed $value, Closure $fail): void
     {
         if (strtoupper($value) !== $value) {
             $fail("The {$attribute} must be uppercase.");
         }
     }
+
+    public function __toString(): string
+    {
+        return 'uppercase';
+    }
 }