Logica y conexion con la base de datos hecha

logic/login.php

@@ -2,6 +2,7 @@
 
 require 'messages.php';
 require 'sanitize.php';
+require './sql/querys.php';
 
 $user = $_POST['user'];
 $password = $_POST['password'];
@@ -14,7 +15,19 @@ if (isset($_POST['submit'])) {
 
             if(strlen($password) <= 20){
 
-                sanitize('user', $user);
+                $c = verifyDB($user, $password);
+
+                if ($c[0][1] === $user && $c[0][2] === $password) {
+                    echo '<script>
+                    
+                    window.location.replace(`../success-pages/loginS.html`)
+                    
+                    </script>';
+
+                } else {
+                    echo error('The User or the Password are wrong. Please try again');
+                    echo backToPreviusPage(4, '../login.html');
+                }
 
             } else {
                 echo error('The password has more characters than allowed!');