PHP - Problema devolucion consulta y php

function theloginmemeber($email,$password){

    // Revisamos email y password

    $email_check = preg_match('~^[a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.([a-zA-Z]{2,4})$~i', $email);

    $password_check = preg_match('~^[A-Za-z0-9!@#$%^&*()_]{6,20}$~i', $password);

    if($email_check && $password_check > 0)

    {

        //accedemos al método usuarios y los mostramos

        $nuevoSingleton = Login::singleton_login();

        $usuario = $nuevoSingleton->login_users($email,$password);

         if($usuario == TRUE)

         {

			 $conexion = Conexion::singleton_conexion();

			 $SQL = 'SELECT activo FROM '.SSPREFIX.'usuarios WHERE email = :email';

			 $sentence = $conexion -> prepare($SQL);

			 $sentence -> bindParam(':email', $email , PDO::PARAM_INT);

			 $sentence -> execute();

			 $resultado = $sentence -> fetchAll();

			 if (empty($resultado)){

			 }else{

				foreach ($resultado as $key){

					if($key['activo'] == 2){

						//header('Location: home.php');

						echo '<script>window.location.href = "home.php"</script>';

					}else{

						echo '<script>window.location.href = "index.php?noactivado"</script>';

					}

				}

			 }

		}