Basic examples of inserting a users affiliate ID in their WordPress or bbPress profiles.

display-mycred-affiliate-ids

/**
 * Show Affiliate ID
 * Inserts the displayed users affiliate ID
 * in their bbPress profile.
 * @version 1.0
 */
add_action( 'bbp_template_after_user_profile', 'mycred_pro_show_affiliate_id_in_bbp_profile' );
function mycred_pro_show_affiliate_id_in_bbp_profile() {
	$user_id = bbp_get_displayed_user_id();
	$affiliate_link = get_user_meta( $user_id, 'mycred_affiliate_link', true );
	if ( $affiliate_link != '' ) { ?>

<div class="bbp-user-profile">
	<p>Your Affiliate ID: <?php echo $affiliate_link; ?></p>
</div>
<?php
	}
}

/**
 * Show Affiliate ID
 * Insert the users affiliate ID in 
 * their WordPress profile.
 * @version 1.0
 */
add_action( 'personal_options', 'mycred_pro_show_affiliate_id_in_wp_profile' );
function mycred_pro_show_affiliate_id_in_wp_profile( $user ) {

	$affiliate_link = get_user_meta( $user->ID, 'mycred_affiliate_link', true );
	if ( $affiliate_link != '' ) { ?>

<tr>
	<th scope="row">Your Affiliate ID</th>
	<td><h2 style="margin:0;padding:0;"><?php echo $affiliate_link; ?></h2></td>
</tr>
<?php
	}
}