Gravity Forms Addon extend Gravity Perks Unique ID for Global Unique ID

global-unique-ids.php

<?php
/*
Plugin Name: Global Unique ID for Gravity Perks
Plugin URI: http://www.prontomarketing.com
Description: Adds the ability to set a starting ID for sequential Unique IDs.
Version: 0.1
Author: Pronto Marketing
Author URI: http://www.prontomarketing.com
*/
if (class_exists("GFForms")) {
    GFForms::include_addon_framework();
    class GFSimpleAddOn extends GFAddOn {
        protected $_version = "0.1";
        protected $_min_gravityforms_version = "1.7.9999";
        protected $_slug = "gp-global-unique-id";
        protected $_path = "gp-global-unique-id/global-unique-id.php";
        protected $_full_path = __FILE__;
        protected $_title = "Gravity Forms Simple Add-On";
        protected $_short_title = "Global Unique ID";
        public function init(){
            parent::init();
            add_filter("gform_submit_button", array($this, "form_submit_button"), 10, 2);
            add_filter( 'gpui_unique_id_attributes', array($this,'gwiz_unique_id_global_sequential_index'), 10, 3 );
        }
        // Add the text in the plugin settings to the bottom of the form if enabled for this form
        function form_submit_button($button, $form){
            $settings = $this->get_form_settings($form);
            if(isset($settings["enabled"]) && true == $settings["enabled"]){
                $text = $this->get_plugin_setting("global_unique_id");
                $button = "<div>{$text}</div>" . $button;
            }
            return $button;
        }

        public function plugin_settings_fields() {
            return array(
                array(
                    "title"  => "Global Starting Unique ID",
                    "fields" => array(
                        array(
                            "name"    => "global_unique_id",
                            "tooltip" => "This ID will override form specific settings.",
                            "label"   => "Global Starting Unique ID",
                            "type"    => "text",
                            "class"   => "small",
                        )
                    )
                )
            );
        }
        /**
         * Gravity Wiz // GP Unique ID // Share a global sequential unique ID across all forms
         * https://gist.github.com/spivurno/1179e999d795d6a9189a
         */
        public function gwiz_unique_id_global_sequential_index( $atts, $form_id, $field_id ) {
        	if( $atts['type'] == 'sequential' ) {
        		$atts['starting_number'] = $this->get_plugin_setting("global_unique_id");
        		$atts['form_id'] = 1;
        		$atts['field_id'] = 1;
        	}
        	return $atts;
        }
    }
    new GFSimpleAddOn();
}