Making Co-author Plus play nice with Yoast SEO Open Graph

wpseo-opengraph-coauthor-integration.php

/**
 * Pulls the correct facebook link for guest authors using
 * Co-author Plus. Ideally, need to fix this so it works with empty fields as well.
 */
 
add_filter('wpseo_opengraph_author_facebook', 'aa_wpseo_facebook');

function aa_wpseo_facebook($fb) {
    if(! function_exists('get_coauthors') )
        return $fb;

    $coauthors = get_coauthors($GLOBALS['post']->id);
    if (!is_array( $coauthors ) || empty($coauthors))
        return $fb;

    foreach ( $coauthors as $coauthor ) { 
        if ( ! isset( $coauthor->facebook ) || empty( $coauthor->facebook ) ):
            $default = 'http://facebook.com/[ADD YOUR DEFAULT FB PAGE HERE]';
            return $default;
        endif;
        return $coauthor->facebook;
    }
    return $fb;
}

/**
 * Pulls the correct twitter link for guest authors using
 * Co-author Plus. Ideally, need to fix this so it works with empty fields as well.
 */
    
    
add_filter('wpseo_twitter_creator_account', 'aa_wpseo_twitter');

function aa_wpseo_twitter($twitter) {
    if(! function_exists('get_coauthors') )
        return $twitter;

    $coauthors = get_coauthors($GLOBALS['post']->id);
    if (!is_array( $coauthors ) || empty($coauthors))
        return $twitter;

    foreach ( $coauthors as $coauthor ) { 
        if ( ! isset( $coauthor->twitter ) || empty( $coauthor->twitter ) ):
            $default = '[ADD DEFAULT TWITTER HANDLE HERE]';
            return $default;
        endif;
        return $coauthor->twitter;
    }
    return $twitter;
}