Gravity Forms Display Entries Shortcode

<?php
add_shortcode("display_gf_entries", "display_gravity_forms_entries");
function display_gravity_forms_entries($atts)
{
    $defaults = [
        "id" => "",
    ];
    $atts = shortcode_atts($defaults, $atts);
    if (class_exists("GFAPI")) {
        $entries = GFAPI::get_entries($atts["id"]);
        if (is_wp_error($entries)) {
            return "An error occurred while retrieving entries:";
        } elseif (empty($entries)) {
            return "No entries found for the form id:";
        } else {
            $output =
                "<table><thead><tr><th>ID</th><th>Date</th><th>Status</th></tr></thead><tbody>";
            foreach ($entries as $entry) {
                foreach ($entry as $key => $value) {
                    if (
                        !in_array(
                            $key,
                            ["id", "date_created", "status", "form_id"],
                            true
                        )
                    ) {
                        $output .= "<td>" . $value . "</td>";
                    }
                }
                $output .= "</tr>";
            }
            $output .= "</tbody></table>";
            return $output;
        }
    } else {
        return "Gravity Forms API does not exist.";
    }
}
?>