<?php echo $content_for_layout; ?>

Dear <?php echo $user['User']['firstname'] ?>,
Thank you for your order.

<?php
function _sendNewUserMail($id) {
    $User = $this->User->read(null,$id);
    $this->Email->to = $User['User']['email'];
    $this->Email->subject = 'Order Confirmation';
    $this->Email->replyTo = 'support@example.com';
    $this->Email->from = 'Cool Web App <app@example.com>';
    $this->Email->template = 'new_order';
    $this->set('User', $User);
    $this->Email->send();
}
?>