How to Add Custom WordPress User Profile Fields

Heres a little trick on how to add custom WordPress user profile fields.

Instructions
Add this code to your functions.php file and edit or add lines as you see fit.

<?php
   function my_custom_userfields( $contactmethods ) {
      $contactmethods['contact_phone_office']   = 'Office Phone';
      $contactmethods['contact_phone_mobile']   = 'Mobile Phone';
      $contactmethods['contact_office_fax']     = 'Office Fax';
      return $contactmethods;
   }
   add_filter('user_contactmethods','my_custom_userfields',10,1);
?>

Displaying the Custom User-fields

1 Method:

<?php the_author_meta('contact_phone_office'); ?>

2 Method:

<?php the_author_meta('contact_phone_office', $current_author->ID) ?>

3 Method:

<?php $current_author = get_userdata(get_query_var('author')); ?>
<a href="<?php echo esc_url($current_author->contact_phone_office);?>" title="office_phone"> Office Phone</a>