Change location where Register Helpers are shown depending if user is logged in or not for Paid Memberships Pro.

rh_example_location.php

<?php

// Show the custom Register Helper Fields in a different location if the user is logged in.

function my_pmprorh_init()
{
	//don't break if Register Helper is not loaded
	if(!function_exists( 'pmprorh_add_registration_field' )) {
		return false;
	}

	if( is_user_logged_in() ) {
		$location = 'checkout_boxes';
	}else{
		$location = 'after_email';
	}
	
	//define the fields
	$fields = array();
	$fields[] = new PMProRH_Field(
		'company',						// input name, will also be used as meta key
		'text',							// type of field
		array(
			'label'		=> 'Company'	,		// custom field label
			'size'		=> 40,				// input size
			'class'		=> 'company',			// custom class
			'profile'	=> true,			// show in user profile
			'required'	=> true,			// make this field required
		)
	);
	$fields[] = new PMProRH_Field(
		'referral',                   				// input name, will also be used as meta key
		'text',							// type of field
		array(
			'label'		=> 'Referral Code',		// custom field label
			'profile'	=> 'only_admin'			// only show in profile for admins
		)
	);
	$fields[] = new PMProRH_Field(
		'gender',						// input name, will also be used as meta key
		'select',						// type of field
		array(
			'options' => array(				// <option> elements for select field
				''		=> '',			// blank option - cannot be selected if this field is required
				'male'	=> 'Male',			// <option value="male">Male</option>
				'female'=> 'Female'			// <option value="female">Female</option>
			),
			'profile' => true
		)
	);
	
	//add the fields into a new checkout_boxes are of the checkout page
	foreach($fields as $field)
		pmprorh_add_registration_field(
			$location,				// location on checkout page
			$field						// PMProRH_Field object
		);
	//that's it. see the PMPro Register Helper readme for more information and examples.
}
add_action( 'init', 'my_pmprorh_init' );