Editing WordPress profiles with Gravity Forms

functions.php

<?php

// add the following to your functions file or similar

define( 'FUBLO_GF_PROFILE', 1 );	// define the ID number of your profile form.

// ============================================================= PROFILE EDITING

/**
 * These are the user metadata fields, with their names and the data about them.
 * You can add more information to each field for example on whether to display
 * in the public profile, the format, etc. In this example, we just have the
 * index of each item so we can reference it easily.
 */
function fublo_gf_profile_metafields()
{
	return array(
		'displaynamepref' => 	array(
					   'gf_index' => 2,
					),
		'age' => 		array(
					   'gf_index' => 3,
					),
		'sex' =>		array(
					   'gf_index' => 4,
					),
		'location' =>		array(
					   'gf_index' => 5,
					),
		'twitter' =>		array(
					   'gf_index' => 6,
					),
	);
}

/**
 * Update the user's profile with information from the received profile GF.
 * run last - just to make sure that everything is fine and dandy.
 */
function fublo_gf_profile_update( $entry, $form )
{
	// make sure that the user is logged in
	// we shouldn't get here because the form should check for logged in users...
	if ( !is_user_logged_in() )
	{
		wp_redirect( home_url() );
		exit;
	}
	
	// get current user info...
	global $current_user;
	get_currentuserinfo();
	
	// do the user data fields...
	$new_user_data = array(
		'ID' => $current_user->ID,
		'first_name' => $entry['1.3'],	// these are the ID numbers of these fields in our GF
		'last_name' => $entry['1.6'],
	);
	
	// build the metadata from the entry
	$new_user_metadata = array();
	foreach ( fublo_gf_profile_metafields() as $field_name => $info )
	{
		$new_user_metadata[ $field_name ] = $entry[ $info['gf_index'] ];
	}
	
	// build the display name - (there's almost certainly something in WP to do this already, probably in an admin file)
	switch ( $new_user_metadata['displaynamepref'] )
	{
		// like James
		case 'first':
			$display_name = $new_user_data['first_name'];
			break;
		// like James C
		case 'short first':
			$display_name = $new_user_data['first_name'] . ' ' . ucfirst( substr( $new_user_data['last_name'], 0, 1 ));
			break;
		// like J Cooke
		case 'short last':
			$display_name = ucfirst( substr( $new_user_data['first_name'], 0, 1 )) . ' ' . $new_user_data['last_name'];
			break;
		// like James Cooke.
		case 'full':
		default:
			$display_name = $new_user_data['first_name'] . ' ' . $new_user_data['last_name'];
			break;
	}
	$new_user_data['display_name'] = $display_name;
	
	// ----------------------------------------------- SAVE ALL THE THINGS
	
	wp_update_user( $new_user_data );
	update_user_meta( $current_user->ID, 'fublo_profile', $new_user_metadata );
}
add_action( 'gform_after_submission_' . FUBLO_GF_PROFILE, 'fublo_gf_profile_update', 100, 2 );

gravityform-export-edit-profile-form.xml

<?xml version="1.0" encoding="UTF-8"?>
<forms version="1.6.1">
	<form labelPlacement="left_label" useCurrentUserAsAuthor="1">
		<title><![CDATA[Edit profile]]></title>
		<description><![CDATA[Edit your profile]]></description>
		<button type="text">
			<text><![CDATA[Update]]></text>
		</button>
		<fields>
			<field allowsPrepopulate="1" id="1" isRequired="1" size="medium" type="name">
				<description><![CDATA[Your name in the site]]></description>
				<label><![CDATA[Name]]></label>
				<inputs>
					<input id="1.3" name="first_name">
						<label><![CDATA[First]]></label>
					</input>
					<input id="1.6" name="last_name">
						<label><![CDATA[Last]]></label>
					</input>
				</inputs>
			</field>
			<field allowsPrepopulate="1" id="2" isRequired="1" size="medium" type="radio" enableChoiceValue="1">
				<inputName><![CDATA[displaynamepref]]></inputName>
				<label><![CDATA[Display name]]></label>
				<choices>
					<choice>
						<text><![CDATA[First name only]]></text>
						<value><![CDATA[first]]></value>
					</choice>
					<choice>
						<text><![CDATA[First name and last name initial]]></text>
						<value><![CDATA[short first]]></value>
					</choice>
					<choice>
						<text><![CDATA[First name initial and last name]]></text>
						<value><![CDATA[short last]]></value>
					</choice>
					<choice>
						<text><![CDATA[Full name]]></text>
						<value><![CDATA[full]]></value>
					</choice>
				</choices>
			</field>
			<field allowsPrepopulate="1" id="3" isRequired="1" size="medium" type="number" rangeMin="10" rangeMax="120" numberFormat="decimal_dot">
				<inputName><![CDATA[age]]></inputName>
				<label><![CDATA[Age]]></label>
			</field>
			<field allowsPrepopulate="1" id="4" isRequired="1" size="medium" type="radio">
				<inputName><![CDATA[sex]]></inputName>
				<label><![CDATA[Sex]]></label>
				<choices>
					<choice>
						<text><![CDATA[Male]]></text>
					</choice>
					<choice>
						<text><![CDATA[Female]]></text>
					</choice>
				</choices>
			</field>
			<field allowsPrepopulate="1" id="5" isRequired="1" size="medium" type="text">
				<inputName><![CDATA[location]]></inputName>
				<label><![CDATA[Location]]></label>
				<maxLength><![CDATA[255]]></maxLength>
			</field>
			<field allowsPrepopulate="1" id="6" size="medium" type="text">
				<description><![CDATA[Twitter if you have it]]></description>
				<inputName><![CDATA[twitter]]></inputName>
				<label><![CDATA[Twitter handle]]></label>
				<maxLength><![CDATA[16]]></maxLength>
			</field>
		</fields>
		<descriptionPlacement><![CDATA[below]]></descriptionPlacement>
		<requireLogin><![CDATA[1]]></requireLogin>
		<notification>
			<subject><![CDATA[New submission from {form_title}]]></subject>
			<message><![CDATA[{all_fields}]]></message>
			<from><![CDATA[you@example.com]]></from>
		</notification>
	</form>
</forms>

page-edit-profile.php

<?php

/*
Template Name: Edit Profile
*/

// ---------------------------------------------------------------- CHECK STATUS

// check for logged in - kick if not.
if ( !is_user_logged_in() )
{
	wp_redirect( home_url() );
	exit;
}

/**
 * pull in the required stuff for the GF
 * more here : http://www.gravityhelp.com/documentation/page/Gravity_form_enqueue_scripts
 * gravity_form_enqueue_scripts($form_id, $is_ajax);
 */
if ( function_exists( 'gravity_form_enqueue_scripts' ) )
{
	gravity_form_enqueue_scripts( FUBLO_GF_PROFILE, false );
}

// get current user info...
global $current_user;
get_currentuserinfo();

// grab the current profile data...
$fublo_current_user_data = get_user_meta( $current_user->ID, 'fublo_profile', true );

// stuff the user's shizz into it... we use this to populate the GF.
$fublo_current_user_data['first_name'] = $current_user->first_name;
$fublo_current_user_data['last_name'] = $current_user->last_name;

get_header();

// ---------------------------------------------------------------- ROLL THE TEMPLATE

if (have_posts())
{
	the_post();

	?>

	<h1><?php the_title() ?></h1>
	
	<?php
		
	the_content();	// this gives the opportunity to write something to our users.
		
	if ( function_exists( 'gravity_form' ))
	{
		gravity_form( FUBLO_GF_PROFILE, false, false, false, $fublo_current_user_data );
	}
	else
	{
		?>
		
		<h2>We need Gravity Forms installed to run this theme.</h2>
		
		<?php
	}
}
else
{
	?>

		<h1>Profile editing currently unavailable</h1>

	<?php
}

get_footer();