I'm using facebook connect plugin.

Usernames generated by that plugin look like firstname_lastname. I mean it looks ugly.

I would like to give the privilege to my users to change the username BUT ONCE.

I hope its like changing the password.

Here is my change password function.

Can anyone help me to modify it?



Just add a meta record that tracks the state of the username-changing actions:

$user = wp_get_current_user();

$did_one_change = get_user_meta($user->ID, 'changed_username', true);

if($did_one_change !== false)
  wp_die('You already changed your user name once!');

  'ID'         => $user->ID, 
  'first_name' => $_POST['first_name'],
  'last_name'  => $_POST['last_name'],

// here add a meta entry that suggests the user has changed their name once
update_user_meta($user->ID, 'changed_username', 1);
  • Hi thanks for your answer , but what will happen if username already exists? – PrivateUser Apr 5 '12 at 19:38
  • you can check that before doing the update: username_exists() – onetrickpony Apr 5 '12 at 22:40

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