ControllerValidarAcceso

//ControllerValidarAcceso
<?php
session_start();
include 'ControllerUsuario.php';
$pro = new ControllerUsuario();
IF($_POST["username"] == "" && $_POST["password"]=="" ){
    header('Location:../index.php');
} else {

    $_SESSION['usu'] = $_POST["username"];
    $_SESSION['cla'] = $_POST["password"];

    $data=$pro->ControllerValidarUsuario($_POST["username"], ($_POST["password"]));
    foreach($data as $fila){
        $_SESSION['user'] = $fila["Username"];
        $_SESSION['pass'] = $fila["Password"];
        $_SESSION['nomb'] = $fila["Nombres"];
        $_SESSION['ape'] = $fila["Apellidos"];
    }
    //Validando
    if(count($data) == 0)
        header('Location:../index.php');
    else {
        header('Location:../view/principal.php');
    }
}
?>