AffiliateWP + WooCommerce - Add link through to user's profile screen from the reference column of the referrals page

gistfile1.php

<?php

/**
 * Add link through to user's profile screen from the reference column of the referrals page
 */
function affwp_custom_wc_referrals_user_link( $reference, $referral ) {
	if ( ! ( 'woocommerce' == $referral->context || class_exists( 'WC_Order' ) ) ) {
		return $reference;
	}

	$order     = new WC_Order( $referral->reference );
	$user_id   = $order->user_id;
	$user_info = get_userdata( $user_id );
	$user_name = $user_info->user_login;

	if ( $user_id ) {
		return $reference . '<br/><a href="' . get_edit_user_link( $user_id ) . '">' . $user_name . '</a>';
	}

	return $reference;
}
add_filter( 'affwp_referral_reference_column', 'affwp_custom_wc_referrals_user_link', 10, 2 );