Add "Edit this form" to a page with a form embedded

<?php
// add an "Edit this form" link to a post or page with a form embedded
// filter the content looking for the gravityform shortcode
add_filter('the_content', 'add_gf_edit_link');
function add_gf_edit_link($content) {
        // be sure the logged in user has capability to edit forms
        if(GFCommon::current_user_can_any('gravityforms_edit_forms')){
                // not sure if $ajax is needed the way we are calling get_embedded_forms
                $ajax = false;
                // use a Gravity Forms function to parse the content for forms
                $embeddedforms = GFFormDisplay::get_embedded_forms($content, $ajax);
                // since this will be used on single posts and pages only, we are going to return the first form ID only
                $formid = $embeddedforms[0]['id'];
                // build the URL for the edit link
                $editlink = '<span class="edit-form-link"><a href="' . admin_url() . 'admin.php?page=gf_edit_forms&id=' . $formid . '">Edit this form</a></span>';
                return $content . $editlink;
        }
        // if user does not have the capability, just return the content
        else {
                return $content;
        }
}