Shortcode to output property owners

gistfile1.txt

add_shortcode('property_address', 'property_owners');
function property_owners()
{
    global $property;
    
    if ( !isset($property->id) ) {
        return;
    }
    
    ob_start();
    
    $owner_contact_ids = get_post_meta(($property->id, '_owner_contact_id', TRUE);
    
    if ( !empty($owner_contact_ids) )
    {
        foreach ( $owner_contact_ids as $owner_contact_id )
        {
            $contact = new PH_Contact($owner_contact_id);
            
            echo '<p>';
            echo 'Name: ' . get_the_title($owner_contact_id) . '<br>';
            echo 'Tel: ' . $contact->telephone_number . '<br>';
            echo 'Email: ' . $contact->email_address;
            echo '</p>';
        }
    }
    
    return ob_get_clean();
}