2.0 ex 3

<?php

//users controller code

 public function adduserAction()
    {
        //assign post vars
        $username = $this->_request->getPost('name');
        $password = $this->_request->getPost('password');
        $details = $this->_request->getPost('details');

        //bit of housework
        $username = mysql_escape_string($username);
        $password = mysql_escape_string($password);
        $details = mysql_escape_string($details);

        //do some error checking on the content (basic != '' validation)
        if ($username != '' && $password != '' && $details != ''){

            $this->view->userName = $username;
            $this->view->userPassword = $password;
            $this->view->userDetails = $details;

            //redirect them to the confirmation page / action
            $this->render('confirmuser');

        }else{
            //show messages depending on what they didnt fill in and don't redirect to new action
            if ($username == '' || $username == 'please insert a username!'){
                $username = 'please insert a username!';
            }
            if ($details == '' || $details == 'please tell us about yourself!'){
                $details = 'please tell us about yourself!';
            }
            $this->view->userName = $username;
            $this->view->userPassword = $password;
            $this->view->userDetails = $details;
        }

    }

    public function confirmuserAction(){

    }

//add user view
<br /><br />
<div id="view-content">
    <h1>Add a new user to the system form!</h1>
    <form action="adduser" method="post" enctype="application/x-www-form-urlencoded">
        <fieldset>
            <legend>Add new user</legend>
            <dl>
                <dt><label for="name">User name:</label></dt>
                <dd><input type="text" name="name" value="<?php echo $this->userName; ?>" /></dd>

                <dt><label for="password">User password:</label></dt>
                <dd><input type="password" name="password" value="<?php echo $this->userPassword; ?>" /></dd>

                <dt><label for="details">User details:</label></dt>
                <dd><textarea rows="20" cols="20" name="details"><?php echo $this->userDetails; ?></textarea></dd>

                <dt><label for="submit" style="display:none;">Add user:</label></dt>
                <dd><input type="submit" name="submit" value="Add user" /></dd>
            </dl>
        </fieldset>
    </form>
</div>

//confirm user view
<br /><br />
<div id="view-content">
    <h1>Confirm user</h1>
    <p>The details for the users are as follows:</p>

    <ul>
        <li>Name: <?php echo $this->userName; ?></li>
        <li>Password: <?php echo $this->userPassword; ?></li>
        <li>Details: <?php echo $this->userDetails; ?></li>
    </ul>

</div>