wordpress-user-custom-fields

gistfile1.aw

// =================================================================
// add custom fields to user profiles
add_action( 'show_user_profile', 'my_show_extra_profile_fields' );
add_action( 'edit_user_profile', 'my_show_extra_profile_fields' );
function my_show_extra_profile_fields( $user ) { ?>

<h3>Extra profile information</h3>
<table class="form-table">
  <tr>
    <th><label for="facebook">Facebook Profile</label></th>
    <td>
      <input type="text" name="facebook" id="facebook" value="<?php echo esc_attr( get_the_author_meta( 'facebook', $user->ID ) ); ?>" class="regular-text" /><br />
      <span class="description">Please enter a Facebook profile URL.</span>
    </td>
  </tr>

  <tr>
    <th><label for="twitter">Twitter Username</label></th>
    <td>
      <input type="text" name="twitter" id="twitter" value="<?php echo esc_attr( get_the_author_meta( 'twitter', $user->ID ) ); ?>" class="regular-text" /><br />
      <span class="description">Please enter a Twitter username.</span>
    </td>
  </tr>

</table>
<?php }

add_action( 'personal_options_update', 'my_save_extra_profile_fields' );
add_action( 'edit_user_profile_update', 'my_save_extra_profile_fields' );
function my_save_extra_profile_fields( $user_id ) {

  if ( !current_user_can( 'edit_user', $user_id ) )
    return false;

  // Copy and paste this line for additional fields. Make sure to change 'avatar' to the field ID.
  update_usermeta( $user_id, 'facebook', $_POST['facebook'] );
  update_usermeta( $user_id, 'twitter', $_POST['twitter'] );
}