update file

src/libraries/Http/Request.php

@@ -500,15 +500,12 @@ private function is_csrf_valid(): bool
     /**
      * Validate data against a set of rules.
      */
-    public function validate(array $rules, array $data): ?string
+    public function validate(array $rules, array $data): Validator
     {
         $validator = Validator::make($rules, $data);
+        $validator->validate();
 
-        if ($validator->fails()) {
-            return $validator->getFirstError();
-        }
-
-        return null;
+        return $validator;
     }
 
     /**

src/libraries/Validation/Validator.php

@@ -250,7 +250,7 @@ public function validate(): bool
      */
     public function fails(): bool
     {
-        return (false === $this->startValidation());
+        return (false === !empty($this->errors));
     }
 
     /**
@@ -364,7 +364,6 @@ private function parseRuleWithEqualSign(string $ruleItem, string $field): array
         };
     }
 
-
     /**
      * Compile a "same" validation rule.
      */