WP Custom Profile Fields

wp_custom_profile

<?php

/*
 Plugin Name: Custom Profile Fields
 Plugin URI: http://bytewire.co.uk/wordpress/plugins/custom-profile-fields/
 Description: Create custom fields in the WP admin back panel for users.
 Version: 1.0
 Author: David Heward
 Author URI: http://davidheward.com
 Text Domain: custom-profile-fields
 */

/*  Copyright 2009-2012 David Heward (email : dave@bytewire.co.uk)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/


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="google_plus">Google Plus Account</label></th>

			<td>
				<input type="text" name="google_plus" id="google_plus" value="<?php echo esc_attr( get_the_author_meta( 'google_plus', $user->ID ) ); ?>" class="regular-text" /><br />
				<span class="description">Please enter your Google Plus account ID eg. 111107779224038887638</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 'twitter' to the field ID. */
	update_usermeta( $user_id, 'google_plus', $_POST['google_plus'] );
}