gistfile1.php

<form action="index.php" method="post" enctype="application/x-www-form-urlencoded">
  <h3>Register</h3>
  <b>Name</b> <br />
  <input type='text' name='registerUsername' />
  <?php
    if($name_exists)
    {
      echo "The name you chose is already taken.";
    }
    else if($name_needed)
    {
      echo "Please enter your name.";
    }
  ?>
  <br />
  <b>Email Address</b> <br />
  <input type='text' name='registerEmail' />
  <?php
    if($email_exists)
    {
      echo "That email address is already taken.";
    }
    else if($bad_email)
    {
      echo "This doesn't look like an email address.";
    }
  ?>
  <br />
  <b>Password</b> <br />
  <input type='password' name='registerPassword1' /> 
  <?php
    if($password1_needed)
    {
      echo "Please enter a password.";
    }
  ?>
  <br />
  <input type='password' name='registerPassword2' /> 
  <?php
    if($password2_needed)
    {
      echo "Please reenter your password.";
    }
    else if($passwords_dont_match)
    {
      echo "The two passwords don't match.  Please try again.";
    }
  ?>
  <input type='hidden' value='dummy' name='register' />
  <br /> <br />
  <input type='submit' value='Register' />
  <?php
    if($register_success)
    {
      echo "You were registered successfully.";
    }
  ?>
</form>