Untitled

<?php
include_once "includes/valid/validUser.php";
include_once "includes/bdConection.php";
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  <head>
    <title>Login</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta charset="UTF-8">

  </head>
  <body>

    <div id="content">
      <div class="testbox">
        <h1>Inicio de sesi&oacute;n</h1><hr/>
        <form action="<?php echo $_SERVER['PHP_SELF'];?>" method="post" href="#" >
          <label id="icon" for="name"><i class="icon-user"></i></label>
          <input type="number" class="inputLogin" name="userNameLogin" placeholder="Código de Usuario" required />
          <label id="icon" for="name"><i class="icon-shield"></i></label>
          <input type="password" class="inputLogin" name="passwordLogin" value=""  placeholder="Contraseña" required/>
          <input type="submit" class= "btn btn-info  btn-responsive btninter center" id="button" name="submit" value="Ingresar"/>
        </form>
      </div>
    </div>
  </body>
</html>

<?php
include_once "includes/bdConection.php";

if(isset($_POST['submit'])){

        $userName=trim($_POST["userNameLogin"]);
        $password=trim($_POST["passwordLogin"]);
            $password=md5($password);
        $query = "SELECT * FROM users WHERE id_user = '$userName' AND pw = '$password';";
        $result = pg_query($conn, $query) or die('Query failed: ' . pg_last_error());
        if(pg_num_rows($result) != 1) {
          //do error stuff
          $error = "<b> Usuario o contraseña incorrectos</b>";

        }
        else
        {

              session_start();
              $_SESSION['varname'] = $userName;
              $_SESSION['start'] = time();
              $_SESSION['expire'] = $_SESSION['start'] + (60 * 60);
              echo "Welcome " . $userName;
              header("Location: ../index.php");
              exit;
        }

    }


    echo "<p> $error </p>";
?>

echo hash('ripemd160', 'The quick brown fox jumped over the lazy dog.');

ec457d0a974c48d5685a7efa03d137dc8bbde7e3