O zaman ipucunu vereyim ben, kalanı sizin.

 
<?php    
/*    
Template Name: Register    
*/    
    
get_header();    
global $wpdb, $user_ID;    
//Check whether the user is already logged in    
if ($user_ID)    
{    
    
    // They're already logged in, so we bounce them back to the homepage.    
    
    header( 'Location:' . home_url() );    
    
} else    
 {    
    
    $errors = array();    
    
    if( $_SERVER['REQUEST_METHOD'] == 'POST' )    
      {    
    
        // Check username is present and not already in use    
        $username = $wpdb->escape($_REQUEST['username']);    
        if ( strpos($username, ' ') !== false )    
        {    
            $errors['username'] = "Sorry, no spaces allowed in usernames";    
        }    
        if(emptyempty($username))    
        {    
            $errors['username'] = "Please enter a username";    
        } elseif( username_exists( $username ) )    
        {    
            $errors['username'] = "Username already exists, please try another";    
        }    
    
        // Check email address is present and valid    
        $email = $wpdb->escape($_REQUEST['email']);    
        if( !is_email( $email ) )    
        {    
            $errors['email'] = "Please enter a valid email";    
        } elseif( email_exists( $email ) )    
        {    
            $errors['email'] = "This email address is already in use";    
        }    
    
        // Check password is valid    
        if(0 === preg_match("/.{6,}/", $_POST['password']))    
        {    
          $errors['password'] = "Password must be at least six characters";    
        }    
    
        // Check password confirmation_matches    
        if(0 !== strcmp($_POST['password'], $_POST['password_confirmation']))    
         {    
          $errors['password_confirmation'] = "Passwords do not match";    
        }    
    
        // Check terms of service is agreed to    
        if($_POST['terms'] != "Yes")    
        {    
            $errors['terms'] = "You must agree to Terms of Service";    
        }    
    
        if(0 === count($errors))    
         {    
    
            $password = $_POST['password'];    
    
            $new_user_id = wp_create_user( $username, $password, $email );    
    
            // You could do all manner of other things here like send an email to the user, etc. I leave that to you.    
    
            $success = 1;    
    
            //header( 'Location:' . get_bloginfo('url') . '/login/?success=1&u=' . $username );    
    
        }    
    
    }    
}    
    
?>    
    
<form id="wp_signup_form" action="<?php echo $_SERVER['REQUEST_URI']; ?>" method="post">    
    
        <label for="username">Username</label>    
        <input type="text" name="username" id="username">    
        <label for="email">Email address</label>    
        <input type="text" name="email" id="email">    
        <label for="password">Password</label>    
        <input type="password" name="password" id="password">    
        <label for="password_confirmation">Confirm Password</label>    
        <input type="password" name="password_confirmation" id="password_confirmation">    
    
        <input name="terms" id="terms" type="checkbox" value="Yes">    
        <label for="terms">I agree to the Terms of Service</label>    
    
        <input type="submit" id="submitbtn" name="submit" value="Sign Up" />    
    
</form>    
    
<?php get_footer(); ?>

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