Hide Private Profiles From Friends Suggestions

yzc_hide_private_profile_from_friends_suggestions.php

<?php

/**
 * Hide Private Profiles From Friends Suggestions.
 */
function yzc_hide_private_profile_from_friends_suggestions( $friends_of_friends = null ) {

    if ( ! empty( $friends_of_friends ) ) {
        foreach ( $friends_of_friends as $key => $friend_id ) {
            if ( get_the_author_meta( 'yz_enable_private_account', $friend_id ) == 'on' ) {
                unset( $friends_of_friends[ $key ] );
            } 
        }

    }

    return $friends_of_friends;

}

add_filter( 'yz_friends_get_friend_user_ids', 'yzc_hide_private_profile_from_friends_suggestions' );
add_filter( 'yz_friends_suggestions_friends_of_friends', 'yzc_hide_private_profile_from_friends_suggestions' );