diff --git a/app/Http/Controllers/Auth/EmailVerificationController.php b/app/Http/Controllers/Auth/EmailVerificationController.php
index 02cd711..44a34df 100644
--- a/app/Http/Controllers/Auth/EmailVerificationController.php
+++ b/app/Http/Controllers/Auth/EmailVerificationController.php
@@ -47,11 +47,11 @@ public function notify(Request $request, Response $response): void
             }
 
             Alert::default(__('email_verification_link_sent'))->success();
-            $response->url('login')->send(302);
+            $response->url('login')->send();
         }
         
         Alert::default(__('email_verification_link_not_sent'))->error();
-        $response->url('signup')->send(302);
+        $response->url('signup')->send();
     }
 
 	public function verify(Request $request, Response $response, UpdateAction $updateAction): void
@@ -82,6 +82,6 @@ public function verify(Request $request, Response $response, UpdateAction $updat
         Mail::send(new WelcomeMail($user->email, $user->name));
 
         Alert::default(__('email_verified'))->success();
-        $response->url('login')->send(400);
+        $response->url('login')->send();
     }
 }
diff --git a/app/Http/Controllers/Auth/ForgotPasswordController.php b/app/Http/Controllers/Auth/ForgotPasswordController.php
index ddd0c7b..762aad0 100644
--- a/app/Http/Controllers/Auth/ForgotPasswordController.php
+++ b/app/Http/Controllers/Auth/ForgotPasswordController.php
@@ -47,11 +47,11 @@ public function notify(Request $request, Response $response): void
             }
 
             Alert::default(__('password_reset_link_sent'))->success();
-			$response->back()->send(302);
+			$response->back()->send();
 		}
         
         Alert::default(__('password_reset_link_not_sent'))->error();
-        $response->back()->send(302);
+        $response->back()->send();
 	}
 	
 	public function reset(Request $request, Response $response): void
@@ -71,7 +71,7 @@ public function reset(Request $request, Response $response): void
 		}
 
         $token->delete();
-        $response->url("/password/new?email={$request->email}")->send(302);
+        $response->url("/password/new?email={$request->email}")->send();
 	}
 	
 	public function update(Request $request, Response $response, LoginValidator $loginValidator, UpdateAction $updateAction): void
@@ -81,10 +81,10 @@ public function update(Request $request, Response $response, LoginValidator $log
 
         if (!$user) {
             Alert::default(__('password_not_reset'))->error();
-            $response->back()->send(302);
+            $response->back()->send();
         }
 
         Alert::default(__('password_reset'))->success();
-        $response->url('/login')->send(302);
+        $response->url('/login')->send();
 	}
 }
diff --git a/app/Http/Controllers/Auth/LoginController.php b/app/Http/Controllers/Auth/LoginController.php
index dbeacb5..db08584 100644
--- a/app/Http/Controllers/Auth/LoginController.php
+++ b/app/Http/Controllers/Auth/LoginController.php
@@ -24,7 +24,7 @@ public function index(Request $request, Response $response): void
         }
 
         $uri = !Session::has('intended') ? config('app.home') : Session::pull('intended');
-        $response->url($uri)->send(302);
+        $response->url($uri)->send();
     }
 
 	public function authenticate(Request $request, Response $response, LoginValidator $loginValidator): void
@@ -35,10 +35,10 @@ public function authenticate(Request $request, Response $response, LoginValidato
             $uri = !Session::has('intended') ? config('app.home') : Session::pull('intended');
 
             Alert::toast(__('welcome', ['name' => Auth::get('name')]))->success();
-            $response->url($uri)->send(302);
+            $response->url($uri)->send();
         }
 
         Alert::default(__('login_failed'))->error();
-        $response->url('/login')->withInputs($request->only('email', 'password'))->withErrors([__('login_failed')])->send(302);
+        $response->url('/login')->withInputs($request->only('email', 'password'))->withErrors([__('login_failed')])->send();
     }
 }
diff --git a/app/Http/Controllers/Auth/LogoutController.php b/app/Http/Controllers/Auth/LogoutController.php
index 59a8b71..76fcb75 100644
--- a/app/Http/Controllers/Auth/LogoutController.php
+++ b/app/Http/Controllers/Auth/LogoutController.php
@@ -19,6 +19,6 @@ public function __invoke(Response $response): void
         Auth::forget();
         Alert::toast(__('logged_out'))->success();
 
-        $response->url(config('app.home'))->send(302);
+        $response->url(config('app.home'))->send();
 	}
 }
diff --git a/app/Http/Controllers/Auth/RegisterController.php b/app/Http/Controllers/Auth/RegisterController.php
index 0d89c9e..d3bdcb5 100644
--- a/app/Http/Controllers/Auth/RegisterController.php
+++ b/app/Http/Controllers/Auth/RegisterController.php
@@ -27,7 +27,7 @@ public function index(Request $request, Response $response): void
         }
 
         $uri = !Session::has('intended') ? config('app.home') : Session::pull('intended');
-        $response->url($uri)->send(302);
+        $response->url($uri)->send();
     }
 
     public function register(Request $request, Response $response, RegisterValidator $registerValidator, StoreAction $storeAction): void
@@ -36,12 +36,12 @@ public function register(Request $request, Response $response, RegisterValidator
         $user = $storeAction->handle($validator->validated());
 
         if (config('security.auth.email_verification')) {
-            $response->url('/email/notify?email=' . $user->email)->send(302);
+            $response->url('/email/notify?email=' . $user->email)->send();
         }
 
         Mail::send(new WelcomeMail($user->email, $user->name));
         Alert::default(__('account_created'))->success();
         
-        $response->url('/login')->send(302);
+        $response->url('/login')->send();
     }
 }
diff --git a/app/Http/Middlewares/AccountPolicy.php b/app/Http/Middlewares/AccountPolicy.php
index 76329e5..5d208e2 100644
--- a/app/Http/Middlewares/AccountPolicy.php
+++ b/app/Http/Middlewares/AccountPolicy.php
@@ -23,7 +23,7 @@ public function handle(Request $request, Response $response): void
         if (config('security.auth.email_verification')) {
             if (is_null(Auth::get('email_verified'))) {
                 Alert::default(__('email_not_verifed'))->error();
-                $response->url('/login')->intended($request->fullUri())->send(302);
+                $response->url('/login')->intended($request->fullUri())->send();
             }
         }
     }
diff --git a/app/Http/Middlewares/AuthPolicy.php b/app/Http/Middlewares/AuthPolicy.php
index cf2cf8b..0fb1626 100644
--- a/app/Http/Middlewares/AuthPolicy.php
+++ b/app/Http/Middlewares/AuthPolicy.php
@@ -26,7 +26,7 @@ public function handle(Request $request, Response $response): void
                 ->url('login')
                 ->intended($request->fullUri())
                 ->withErrors([__('not_logged')])
-                ->send(302);
+                ->send();
         }
     }
 }
diff --git a/core/Database/Connection/ConnectionInterface.php b/core/Database/Connection/ConnectionInterface.php
index fb65bcb..48a0ccd 100644
--- a/core/Database/Connection/ConnectionInterface.php
+++ b/core/Database/Connection/ConnectionInterface.php
@@ -8,22 +8,19 @@
 
 namespace Core\Database\Connection;
 
-use PDO;
-use PDOStatement;
-
 interface ConnectionInterface
 {
-    public function getPDO(): PDO;
+    public function getPDO();
 
-    public function executeStatement(string $query): false|int;
+    public function executeStatement(string $query);
 
-	public function executeQuery(string $query, array $args): false|PDOStatement;
+	public function executeQuery(string $query, array $args);
 
-    public function schemaExists(string $name): bool;
+    public function schemaExists(string $name);
 
-    public function tableExists(string $name): bool;
+    public function tableExists(string $name);
 
-    public function createSchema(string $name): void;
+    public function createSchema(string $name);
 
-    public function deleteSchema(string $name): void;
+    public function deleteSchema(string $name);
 }
diff --git a/core/Database/Migration.php b/core/Database/Migration.php
index babedc4..771b456 100644
--- a/core/Database/Migration.php
+++ b/core/Database/Migration.php
@@ -18,7 +18,7 @@ class Migration
     /**
 	 * @var \Core\Database\QueryBuilder
 	 */
-    protected static $qb;
+    protected static mixed $qb;
     
     public static function createTable(string $name): self
     {
diff --git a/core/Database/QueryBuilder.php b/core/Database/QueryBuilder.php
index 9306c4f..40551c7 100644
--- a/core/Database/QueryBuilder.php
+++ b/core/Database/QueryBuilder.php
@@ -17,9 +17,9 @@
  */
 class QueryBuilder
 {
-	protected static $query = '';
-    protected static $args = [];
-    protected static $table;
+	protected static string $query = '';
+    protected static array $args = [];
+    protected static mixed $table;
 
     protected static function setTable(string $name): string
     {
diff --git a/core/Database/Repository.php b/core/Database/Repository.php
index 19f0bc3..d2515ee 100644
--- a/core/Database/Repository.php
+++ b/core/Database/Repository.php
@@ -19,7 +19,7 @@ class Repository
 {
     protected QueryBuilder $qb;
 
-    public function __construct(private string $table) {}
+    public function __construct(private readonly string $table) {}
 
     public function select(string ...$columns): self
     {
diff --git a/core/Http/Client/Curl.php b/core/Http/Client/Curl.php
index dd810d8..55a9af3 100644
--- a/core/Http/Client/Curl.php
+++ b/core/Http/Client/Curl.php
@@ -9,7 +9,6 @@
 namespace Core\Http\Client;
 
 use Core\Exceptions\InvalidUrlFormatException;
-use Core\Http\Client\ClientInterface;
 
 /**
  * Send asynchronous HTTP requests using curl
diff --git a/core/Http/Response.php b/core/Http/Response.php
index d2fcf5b..8ad1c85 100644
--- a/core/Http/Response.php
+++ b/core/Http/Response.php
@@ -144,7 +144,7 @@ public function json(array $data): self
         return $this;
     }
 
-    public function send(int $code = 200): void
+    public function send(int $code = 302): void
     {
         if (config('app.env') === 'test') {
             header('Session:' . json_encode($_SESSION));
diff --git a/core/Http/Validator/Validator.php b/core/Http/Validator/Validator.php
index 1cc0098..b100782 100644
--- a/core/Http/Validator/Validator.php
+++ b/core/Http/Validator/Validator.php
@@ -10,7 +10,6 @@
 
 use GUMP;
 use Core\Http\Response;
-use Core\Http\Validator\ValidatorInterface;
 
 /**
  * Request fields validator
diff --git a/core/Support/Helpers.php b/core/Support/Helpers.php
index 777ca6c..baea388 100644
--- a/core/Support/Helpers.php
+++ b/core/Support/Helpers.php
@@ -17,15 +17,15 @@
 /**
  * Cookies management
  */
-if (!function_exists('create_cookie')) {
-    function create_cookie(string $name, string $value, int $expire = 3600, bool $secure = false, string $domain = ''): bool
+if (!function_exists('cookie_create')) {
+    function cookie_create(string $name, string $value, int $expire = 3600, bool $secure = false, string $domain = ''): bool
     {
         return Cookies::create($name, $value, $expire, $secure, $domain);
 	}
 }
 
-if (!function_exists('get_cookie')) {
-	function get_cookie(string $name): mixed
+if (!function_exists('cookie_get')) {
+	function cookie_get(string $name): mixed
 	{
         return Cookies::get($name);
 	}
@@ -38,8 +38,8 @@ function cookie_has(string $name): bool
 	}
 }
 
-if (!function_exists('delete_cookie')) {
-	function delete_cookie(string $name): bool
+if (!function_exists('cookie_delete')) {
+	function cookie_delete(string $name): bool
 	{
 		return Cookies::delete($name);
 	}
@@ -48,8 +48,8 @@ function delete_cookie(string $name): bool
 /**
  * Sessions management
  */
-if (!function_exists('create_session')) {
-	function create_session(string $name, $data): void
+if (!function_exists('session_create')) {
+	function session_create(string $name, $data): void
 	{
 		Session::create($name, $data);
 	}
@@ -155,7 +155,7 @@ function generate_csrf_token(): string
             $csrf_token = session_get('csrf_token');
         } else {
             $csrf_token = generate_token();
-            create_session('csrf_token', $csrf_token);
+            session_create('csrf_token', $csrf_token);
         }
 
         return $csrf_token;