[RESOLVED] cant figure it out :(

wats wrong here...

Code:

---

<?php

require ('header.php');

echo '<div class="register">';

if (isset ($_POST['submit']))
{
        $problem = FALSE;
        if (empty ($_POST['first_name']))
        {
                $problem = TRUE;
                echo '<p>Please enter your first name.</p>';
        }
        if (empty ($_POST['last_name']))
        {
                $problem = TRUE;
                echo '<p>Please enter your last name.</p>';
        }
        if (empty ($_POST['email']))
        {
                $problem = TRUE;
                echo '<p>Please enter a valid email address.</p>';
        }
        if (empty ($_POST['username']))
        {
                $problem = TRUE;
                echo '<p>Please enter a username.</p>';
        }
        if (empty ($_POST['password']))
        {
                $problem = TRUE;
                echo '<p>Please enter a password.</p>';
        }
        if ($_POST['password'] != $_POST['confirm'])
        {
                $problem = TRUE;
                echo '<p>Your password did not match your confirmed password.</p>';
        }
                if (!problem)
                {
                        if ($fp = fopen ('../users/users.txt', 'ab'))
                        {
                                $dir = time() . rand (0, 4596);
                                $data = $_POST['first_name'] . "\t" . $_POST['last_name'] . "\t" . $_POST['email'] . "\t" . $_POST['username'] . "\t" . crypt($_POST['password']) . "\t" . $dir . "\r\n";
                                fwrite ($fp, $data);
                                fclose ($fp);
                                mkdir ("../users/$dir");
                                echo '<p>You are now registered and can take advantage of all the features on our site!</p>';
                } else {
                echo '<p>You could not be registered due to a system error. Please try again later.</p>';
                }
        } else {
        echo '<p>Please try again!</p>';
        }
} else {

?>
       
<form action="register.php" method="post">
      <fieldset>
      <legend>
            Register with us:
      </legend>
<p>First name:
                <input type="text" name="first_name" value="<?php if (isset($_POST['first_name'])) echo $_POST['first_name']; ?>" /><br />
Last name:
                <input type="text" name="last_name" value="<?php if(isset($_POST['last_name'])) echo $_POST['last_name']; ?>" /><br />
Email:
                <input type="text" name="email" value="<?php if(isset($_POST['email'])) echo $_POST['email']; ?>" /><br />
Username:
                <input type="text" name="username" value="<?php if(isset($_POST['username'])) echo $_POST['username']; ?>" /><br />
Password:
                <input type="password" name="password" /><br />
Confirm password:
                <input type="password" name="confirm" /><br />
       

        <input type="submit" name="submit" value="Register" /></p>

</fieldset>
</form>
</div>';

<?php

}

require ('footer.php');

?>

---

its probably the stupidest thing im overlooking but yea i cant find it
everytime i fill it out correctly it displays please try again instead of the u are now registered part

never mind forgot to make (!problem) (!$problem) it worx now