diff --git a/src/Libs/Validator.php b/src/Libs/Validator.php
index 8ec22b9..29f2d78 100644
--- a/src/Libs/Validator.php
+++ b/src/Libs/Validator.php
@@ -2,6 +2,8 @@
 
 namespace Libs;
 
+use Exception;
+
 /**
  * Validator - DuckBrain
  *
@@ -77,7 +79,7 @@ class Validator
             return call_user_func_array($rule, $arguments);
         }
 
-        throw new \Exception('Bad rule: "' . preg_split('/::/', $rule)[1] . '"');
+        throw new Exception('Bad rule: "' . preg_split('/::/', $rule)[1] . '"');
     }
 
     /**
@@ -138,7 +140,7 @@ class Validator
      */
     public static function int(mixed $subject): bool
     {
-        return filter_var($subject, FILTER_VALIDATE_INT);
+        return filter_var($subject, FILTER_VALIDATE_INT) !== false;
     }
 
     /**
@@ -150,7 +152,7 @@ class Validator
      */
     public static function float(mixed $subject): bool
     {
-        return filter_var($subject, FILTER_VALIDATE_FLOAT);
+        return filter_var($subject, FILTER_VALIDATE_FLOAT) !== false;
     }
 
     /**
@@ -162,7 +164,7 @@ class Validator
      */
     public static function bool(mixed $subject): bool
     {
-        return filter_var($subject, FILTER_VALIDATE_BOOLEAN);
+        return filter_var($subject, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) !== null;
     }
 
     /**
@@ -174,7 +176,7 @@ class Validator
      */
     public static function email(mixed $subject): bool
     {
-        return filter_var($subject, FILTER_VALIDATE_EMAIL);
+        return filter_var($subject, FILTER_VALIDATE_EMAIL) !== false;
     }
 
     /**
@@ -186,7 +188,7 @@ class Validator
      */
     public static function url(mixed $subject): bool
     {
-        return filter_var($subject, FILTER_VALIDATE_URL);
+        return filter_var($subject, FILTER_VALIDATE_URL) !== false;
     }
 
     /**