eventespresso / event-espresso-core

core/db_models/fields/EE_Primary_Key_String_Field.php

Indentation +17 added lines, -17 removed lines

@@ -4,22 +4,22 @@
 class EE_Primary_Key_String_Field extends EE_Primary_Key_Field_Base
 {
 
-    public function __construct($table_column, $nicename)
-    {
-        parent::__construct($table_column, $nicename, null);
-    }
+	public function __construct($table_column, $nicename)
+	{
+		parent::__construct($table_column, $nicename, null);
+	}
 
-    /**
-     * removes all tags when setting
-     *
-     * @param string $value_inputted_for_field_on_model_object
-     * @return string
-     */
-    function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        if ($this->is_model_obj_of_type_pointed_to($value_inputted_for_field_on_model_object)) {
-            $value_inputted_for_field_on_model_object = $value_inputted_for_field_on_model_object->ID();
-        }
-        return wp_strip_all_tags($value_inputted_for_field_on_model_object);
-    }
+	/**
+	 * removes all tags when setting
+	 *
+	 * @param string $value_inputted_for_field_on_model_object
+	 * @return string
+	 */
+	function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		if ($this->is_model_obj_of_type_pointed_to($value_inputted_for_field_on_model_object)) {
+			$value_inputted_for_field_on_model_object = $value_inputted_for_field_on_model_object->ID();
+		}
+		return wp_strip_all_tags($value_inputted_for_field_on_model_object);
+	}
 }
\ No newline at end of file

Doc Comments +3 added lines

@@ -4,6 +4,9 @@
 class EE_Primary_Key_String_Field extends EE_Primary_Key_Field_Base
 {
 
+    /**
+     * @param string $table_column
+     */
     public function __construct($table_column, $nicename)
     {
         parent::__construct($table_column, $nicename, null);

core/db_models/fields/EE_Foreign_Key_String_Field.php

Indentation +13 added lines, -13 removed lines

@@ -4,17 +4,17 @@
 class EE_Foreign_Key_String_Field extends EE_Foreign_Key_Field_Base
 {
 
-    /**
-     * removes all tags when setting
-     *
-     * @param string $value_inputted_for_field_on_model_object
-     * @return string
-     */
-    function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        if ($this->is_model_obj_of_type_pointed_to($value_inputted_for_field_on_model_object)) {
-            $value_inputted_for_field_on_model_object = $value_inputted_for_field_on_model_object->ID();
-        }
-        return strtoupper(wp_strip_all_tags($value_inputted_for_field_on_model_object));
-    }
+	/**
+	 * removes all tags when setting
+	 *
+	 * @param string $value_inputted_for_field_on_model_object
+	 * @return string
+	 */
+	function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		if ($this->is_model_obj_of_type_pointed_to($value_inputted_for_field_on_model_object)) {
+			$value_inputted_for_field_on_model_object = $value_inputted_for_field_on_model_object->ID();
+		}
+		return strtoupper(wp_strip_all_tags($value_inputted_for_field_on_model_object));
+	}
 }
\ No newline at end of file

core/db_models/fields/EE_All_Caps_Text_Field.php

Indentation +10 added lines, -10 removed lines

@@ -6,14 +6,14 @@
  */
 class EE_All_Caps_Text_Field extends EE_Text_Field_Base
 {
-    /**
-     * makes it all upper case, and key-like
-     *
-     * @param string $value_inputted_for_field_on_model_object
-     * @return string
-     */
-    function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
-        return strtoupper(sanitize_key($value_inputted_for_field_on_model_object));
-    }
+	/**
+	 * makes it all upper case, and key-like
+	 *
+	 * @param string $value_inputted_for_field_on_model_object
+	 * @return string
+	 */
+	function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
+		return strtoupper(sanitize_key($value_inputted_for_field_on_model_object));
+	}
 }
\ No newline at end of file

modules/single_page_checkout/EED_Single_Page_Checkout.module.php

Indentation +1704 added lines, -1704 removed lines

@@ -2,7 +2,7 @@ 
 use EventEspresso\core\exceptions\InvalidEntityException;
 
 if ( ! defined('EVENT_ESPRESSO_VERSION')) {
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 }
 
 
@@ -17,1709 +17,1709 @@ 
 class EED_Single_Page_Checkout extends EED_Module
 {
 
-    /**
-     * $_initialized - has the SPCO controller already been initialized ?
-     *
-     * @access private
-     * @var bool $_initialized
-     */
-    private static $_initialized = false;
-
-
-    /**
-     * $_checkout_verified - is the EE_Checkout verified as correct for this request ?
-     *
-     * @access private
-     * @var bool $_valid_checkout
-     */
-    private static $_checkout_verified = true;
-
-    /**
-     *    $_reg_steps_array - holds initial array of reg steps
-     *
-     * @access private
-     * @var array $_reg_steps_array
-     */
-    private static $_reg_steps_array = array();
-
-    /**
-     *    $checkout - EE_Checkout object for handling the properties of the current checkout process
-     *
-     * @access public
-     * @var EE_Checkout $checkout
-     */
-    public $checkout;
-
-
-
-    /**
-     * @return EED_Single_Page_Checkout
-     */
-    public static function instance()
-    {
-        add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
-        return parent::get_instance(__CLASS__);
-    }
-
-
-
-    /**
-     * @return EE_CART
-     */
-    public function cart()
-    {
-        return $this->checkout->cart;
-    }
-
-
-
-    /**
-     * @return EE_Transaction
-     */
-    public function transaction()
-    {
-        return $this->checkout->transaction;
-    }
-
-
-
-    /**
-     *    set_hooks - for hooking into EE Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     * @throws \EE_Error
-     */
-    public static function set_hooks()
-    {
-        EED_Single_Page_Checkout::set_definitions();
-    }
-
-
-
-    /**
-     *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
-     *
-     * @access    public
-     * @return    void
-     * @throws \EE_Error
-     */
-    public static function set_hooks_admin()
-    {
-        EED_Single_Page_Checkout::set_definitions();
-        if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
-            // hook into the top of pre_get_posts to set the reg step routing, which gives other modules or plugins a chance to modify the reg steps, but just before the routes get called
-            add_action('pre_get_posts', array('EED_Single_Page_Checkout', 'load_reg_steps'), 1);
-            return;
-        }
-        // going to start an output buffer in case anything gets accidentally output that might disrupt our JSON response
-        ob_start();
-        EED_Single_Page_Checkout::load_request_handler();
-        EED_Single_Page_Checkout::load_reg_steps();
-        // set ajax hooks
-        add_action('wp_ajax_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
-        add_action('wp_ajax_nopriv_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
-        add_action('wp_ajax_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
-        add_action('wp_ajax_nopriv_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
-        add_action('wp_ajax_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
-        add_action('wp_ajax_nopriv_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
-    }
-
-
-
-    /**
-     *    process ajax request
-     *
-     * @param string $ajax_action
-     * @throws \EE_Error
-     */
-    public static function process_ajax_request($ajax_action)
-    {
-        EE_Registry::instance()->REQ->set('action', $ajax_action);
-        EED_Single_Page_Checkout::instance()->_initialize();
-    }
-
-
-
-    /**
-     *    ajax display registration step
-     *
-     * @throws \EE_Error
-     */
-    public static function display_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('display_spco_reg_step');
-    }
-
-
-
-    /**
-     *    ajax process registration step
-     *
-     * @throws \EE_Error
-     */
-    public static function process_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('process_reg_step');
-    }
-
-
-
-    /**
-     *    ajax process registration step
-     *
-     * @throws \EE_Error
-     */
-    public static function update_reg_step()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('update_reg_step');
-    }
-
-
-
-    /**
-     *   update_checkout
-     *
-     * @access public
-     * @return void
-     * @throws \EE_Error
-     */
-    public static function update_checkout()
-    {
-        EED_Single_Page_Checkout::process_ajax_request('update_checkout');
-    }
-
-
-
-    /**
-     *    load_request_handler
-     *
-     * @access    public
-     * @return    void
-     */
-    public static function load_request_handler()
-    {
-        // load core Request_Handler class
-        if ( ! isset(EE_Registry::instance()->REQ)) {
-            EE_Registry::instance()->load_core('Request_Handler');
-        }
-    }
-
-
-
-    /**
-     *    set_definitions
-     *
-     * @access    public
-     * @return    void
-     * @throws \EE_Error
-     */
-    public static function set_definitions()
-    {
-        define('SPCO_BASE_PATH', rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS);
-        define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
-        define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
-        define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
-        define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
-        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
-        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
-        EE_Registry::$i18n_js_strings['registration_expiration_notice'] = sprintf(
-            __('%1$sWe\'re sorry, but you\'re registration time has expired.%2$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please except our apologies for any inconvenience this may have caused.%8$s',
-                'event_espresso'),
-            '<h4 class="important-notice">',
-            '</h4>',
-            '<br />',
-            '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
-            '">',
-            '</a>',
-            '</p>'
-        );
-    }
-
-
-
-    /**
-     * load_reg_steps
-     * loads and instantiates each reg step based on the EE_Registry::instance()->CFG->registration->reg_steps array
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return void
-     */
-    public static function load_reg_steps()
-    {
-        static $reg_steps_loaded = false;
-        if ($reg_steps_loaded) {
-            return;
-        }
-        // filter list of reg_steps
-        $reg_steps_to_load = (array)apply_filters(
-            'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
-            EED_Single_Page_Checkout::get_reg_steps()
-        );
-        // sort by key (order)
-        ksort($reg_steps_to_load);
-        // loop through folders
-        foreach ($reg_steps_to_load as $order => $reg_step) {
-            // we need a
-            if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
-                // copy over to the reg_steps_array
-                EED_Single_Page_Checkout::$_reg_steps_array[$order] = $reg_step;
-                // register custom key route for each reg step
-                // ie: step=>"slug" - this is the entire reason we load the reg steps array now
-                EE_Config::register_route($reg_step['slug'], 'EED_Single_Page_Checkout', 'run', 'step');
-                // add AJAX or other hooks
-                if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
-                    // setup autoloaders if necessary
-                    if ( ! class_exists($reg_step['class_name'])) {
-                        EEH_Autoloader::register_autoloaders_for_each_file_in_folder($reg_step['file_path'], true);
-                    }
-                    if (is_callable($reg_step['class_name'], 'set_hooks')) {
-                        call_user_func(array($reg_step['class_name'], 'set_hooks'));
-                    }
-                }
-            }
-        }
-        $reg_steps_loaded = true;
-    }
-
-
-
-    /**
-     *    get_reg_steps
-     *
-     * @access    public
-     * @return    array
-     */
-    public static function get_reg_steps()
-    {
-        $reg_steps = EE_Registry::instance()->CFG->registration->reg_steps;
-        if (empty($reg_steps)) {
-            $reg_steps = array(
-                10  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
-                    'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
-                    'slug'       => 'attendee_information',
-                    'has_hooks'  => false,
-                ),
-                20  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'registration_confirmation',
-                    'class_name' => 'EE_SPCO_Reg_Step_Registration_Confirmation',
-                    'slug'       => 'registration_confirmation',
-                    'has_hooks'  => false,
-                ),
-                30  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
-                    'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
-                    'slug'       => 'payment_options',
-                    'has_hooks'  => true,
-                ),
-                999 => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
-                    'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
-                    'slug'       => 'finalize_registration',
-                    'has_hooks'  => false,
-                ),
-            );
-        }
-        return $reg_steps;
-    }
-
-
-
-    /**
-     *    registration_checkout_for_admin
-     *
-     * @access    public
-     * @return    string
-     * @throws \EE_Error
-     */
-    public static function registration_checkout_for_admin()
-    {
-        EED_Single_Page_Checkout::load_reg_steps();
-        EE_Registry::instance()->REQ->set('step', 'attendee_information');
-        EE_Registry::instance()->REQ->set('action', 'display_spco_reg_step');
-        EE_Registry::instance()->REQ->set('process_form_submission', false);
-        EED_Single_Page_Checkout::instance()->_initialize();
-        EED_Single_Page_Checkout::instance()->_display_spco_reg_form();
-        return EE_Registry::instance()->REQ->get_output();
-    }
-
-
-
-    /**
-     * process_registration_from_admin
-     *
-     * @access public
-     * @return \EE_Transaction
-     * @throws \EE_Error
-     */
-    public static function process_registration_from_admin()
-    {
-        EED_Single_Page_Checkout::load_reg_steps();
-        EE_Registry::instance()->REQ->set('step', 'attendee_information');
-        EE_Registry::instance()->REQ->set('action', 'process_reg_step');
-        EE_Registry::instance()->REQ->set('process_form_submission', true);
-        EED_Single_Page_Checkout::instance()->_initialize();
-        if (EED_Single_Page_Checkout::instance()->checkout->current_step->completed()) {
-            $final_reg_step = end(EED_Single_Page_Checkout::instance()->checkout->reg_steps);
-            if ($final_reg_step instanceof EE_SPCO_Reg_Step_Finalize_Registration) {
-                EED_Single_Page_Checkout::instance()->checkout->set_reg_step_initiated($final_reg_step);
-                if ($final_reg_step->process_reg_step()) {
-                    $final_reg_step->set_completed();
-                    EED_Single_Page_Checkout::instance()->checkout->update_txn_reg_steps_array();
-                    return EED_Single_Page_Checkout::instance()->checkout->transaction;
-                }
-            }
-        }
-        return null;
-    }
-
-
-
-    /**
-     *    run
-     *
-     * @access    public
-     * @param WP_Query $WP_Query
-     * @return    void
-     * @throws \EE_Error
-     */
-    public function run($WP_Query)
-    {
-        if (
-            $WP_Query instanceof WP_Query
-            && $WP_Query->is_main_query()
-            && apply_filters('FHEE__EED_Single_Page_Checkout__run', true)
-            && $this->_is_reg_checkout()
-        ) {
-            $this->_initialize();
-        }
-    }
-
-
-
-    /**
-     * determines whether current url matches reg page url
-     *
-     * @return bool
-     */
-    protected function _is_reg_checkout()
-    {
-        // get current permalink for reg page without any extra query args
-        $reg_page_url = \get_permalink(EE_Config::instance()->core->reg_page_id);
-        // get request URI for current request, but without the scheme or host
-        $current_request_uri = \EEH_URL::filter_input_server_url('REQUEST_URI');
-        $current_request_uri = html_entity_decode($current_request_uri);
-        // get array of query args from the current request URI
-        $query_args = \EEH_URL::get_query_string($current_request_uri);
-        // grab page id if it is set
-        $page_id = isset($query_args['page_id']) ? absint($query_args['page_id']) : 0;
-        // and remove the page id from the query args (we will re-add it later)
-        unset($query_args['page_id']);
-        // now strip all query args from current request URI
-        $current_request_uri = remove_query_arg(array_flip($query_args), $current_request_uri);
-        // and re-add the page id if it was set
-        if ($page_id) {
-            $current_request_uri = add_query_arg('page_id', $page_id, $current_request_uri);
-        }
-        // remove slashes and ?
-        $current_request_uri = trim($current_request_uri, '?/');
-        // is current request URI part of the known full reg page URL ?
-        return ! empty($current_request_uri) && strpos($reg_page_url, $current_request_uri) !== false;
-    }
-
-
-
-    /**
-     *    run
-     *
-     * @access    public
-     * @param WP_Query $WP_Query
-     * @return    void
-     * @throws \EE_Error
-     */
-    public static function init($WP_Query)
-    {
-        EED_Single_Page_Checkout::instance()->run($WP_Query);
-    }
-
-
-
-    /**
-     *    _initialize - initial module setup
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    void
-     */
-    private function _initialize()
-    {
-        // ensure SPCO doesn't run twice
-        if (EED_Single_Page_Checkout::$_initialized) {
-            return;
-        }
-        try {
-            $this->_verify_session();
-            // setup the EE_Checkout object
-            $this->checkout = $this->_initialize_checkout();
-            // filter checkout
-            $this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
-            // get the $_GET
-            $this->_get_request_vars();
-            if ($this->_block_bots()) {
-                return;
-            }
-            // filter continue_reg
-            $this->checkout->continue_reg = apply_filters('FHEE__EED_Single_Page_Checkout__init___continue_reg', true, $this->checkout);
-            // load the reg steps array
-            if ( ! $this->_load_and_instantiate_reg_steps()) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // set the current step
-            $this->checkout->set_current_step($this->checkout->step);
-            // and the next step
-            $this->checkout->set_next_step();
-            // verify that everything has been setup correctly
-            if ( ! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // lock the transaction
-            $this->checkout->transaction->lock();
-            // make sure all of our cached objects are added to their respective model entity mappers
-            $this->checkout->refresh_all_entities();
-            // set amount owing
-            $this->checkout->amount_owing = $this->checkout->transaction->remaining();
-            // initialize each reg step, which gives them the chance to potentially alter the process
-            $this->_initialize_reg_steps();
-            // DEBUG LOG
-            //$this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
-            // get reg form
-            if( ! $this->_check_form_submission()) {
-                EED_Single_Page_Checkout::$_initialized = true;
-                return;
-            }
-            // checkout the action!!!
-            $this->_process_form_action();
-            // add some style and make it dance
-            $this->add_styles_and_scripts();
-            // kk... SPCO has successfully run
-            EED_Single_Page_Checkout::$_initialized = true;
-            // set no cache headers and constants
-            EE_System::do_not_cache();
-            // add anchor
-            add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
-            // remove transaction lock
-            add_action('shutdown', array($this, 'unlock_transaction'), 1);
-        } catch (Exception $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-
-    /**
-     *    _verify_session
-     * checks that the session is valid and not expired
-     *
-     * @access    private
-     * @throws EE_Error
-     */
-    private function _verify_session()
-    {
-        if ( ! EE_Registry::instance()->SSN instanceof EE_Session) {
-            throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
-        }
-        // is session still valid ?
-        if (EE_Registry::instance()->SSN->expired() && EE_Registry::instance()->REQ->get('e_reg_url_link', '') === '') {
-            $this->checkout = new EE_Checkout();
-            EE_Registry::instance()->SSN->reset_cart();
-            EE_Registry::instance()->SSN->reset_checkout();
-            EE_Registry::instance()->SSN->reset_transaction();
-            EE_Error::add_attention(EE_Registry::$i18n_js_strings['registration_expiration_notice'], __FILE__,
-                __FUNCTION__, __LINE__);
-            EE_Registry::instance()->SSN->reset_expired();
-        }
-    }
-
-
-
-    /**
-     *    _initialize_checkout
-     * loads and instantiates EE_Checkout
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return EE_Checkout
-     */
-    private function _initialize_checkout()
-    {
-        // look in session for existing checkout
-        /** @type EE_Checkout $checkout */
-        $checkout = EE_Registry::instance()->SSN->checkout();
-        // verify
-        if ( ! $checkout instanceof EE_Checkout) {
-            // instantiate EE_Checkout object for handling the properties of the current checkout process
-            $checkout = EE_Registry::instance()->load_file(SPCO_INC_PATH, 'EE_Checkout', 'class', array(), false);
-        } else {
-            if ($checkout->current_step->is_final_step() && $checkout->exit_spco() === true) {
-                $this->unlock_transaction();
-                wp_safe_redirect($checkout->redirect_url);
-                exit();
-            }
-        }
-        $checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
-        // verify again
-        if ( ! $checkout instanceof EE_Checkout) {
-            throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
-        }
-        // reset anything that needs a clean slate for each request
-        $checkout->reset_for_current_request();
-        return $checkout;
-    }
-
-
-
-    /**
-     *    _get_request_vars
-     *
-     * @access    private
-     * @return    void
-     * @throws \EE_Error
-     */
-    private function _get_request_vars()
-    {
-        // load classes
-        EED_Single_Page_Checkout::load_request_handler();
-        //make sure this request is marked as belonging to EE
-        EE_Registry::instance()->REQ->set_espresso_page(true);
-        // which step is being requested ?
-        $this->checkout->step = EE_Registry::instance()->REQ->get('step', $this->_get_first_step());
-        // which step is being edited ?
-        $this->checkout->edit_step = EE_Registry::instance()->REQ->get('edit_step', '');
-        // and what we're doing on the current step
-        $this->checkout->action = EE_Registry::instance()->REQ->get('action', 'display_spco_reg_step');
-        // timestamp
-        $this->checkout->uts = EE_Registry::instance()->REQ->get('uts', 0);
-        // returning to edit ?
-        $this->checkout->reg_url_link = EE_Registry::instance()->REQ->get('e_reg_url_link', '');
-        // or some other kind of revisit ?
-        $this->checkout->revisit = filter_var(
-            EE_Registry::instance()->REQ->get('revisit', false),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // and whether or not to generate a reg form for this request
-        $this->checkout->generate_reg_form = filter_var(
-            EE_Registry::instance()->REQ->get('generate_reg_form', true),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // and whether or not to process a reg form submission for this request
-        $this->checkout->process_form_submission = filter_var(
-            EE_Registry::instance()->REQ->get(
-                'process_form_submission',
-                $this->checkout->action === 'process_reg_step'
-            ),
-            FILTER_VALIDATE_BOOLEAN
-        );
-        $this->checkout->process_form_submission = filter_var(
-            $this->checkout->action !== 'display_spco_reg_step'
-                ? $this->checkout->process_form_submission
-                : false,
-            FILTER_VALIDATE_BOOLEAN
-        );
-        // $this->_display_request_vars();
-    }
-
-
-
-    /**
-     *  _display_request_vars
-     *
-     * @access    protected
-     * @return    void
-     */
-    protected function _display_request_vars()
-    {
-        if ( ! WP_DEBUG) {
-            return;
-        }
-        EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->step, '$this->checkout->step', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->edit_step, '$this->checkout->edit_step', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->action, '$this->checkout->action', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->reg_url_link, '$this->checkout->reg_url_link', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->revisit, '$this->checkout->revisit', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->generate_reg_form, '$this->checkout->generate_reg_form', __FILE__, __LINE__);
-        EEH_Debug_Tools::printr($this->checkout->process_form_submission, '$this->checkout->process_form_submission', __FILE__, __LINE__);
-    }
-
-
-
-    /**
-     * _block_bots
-     * checks that the incoming request has either of the following set:
-     *  a uts (unix timestamp) which indicates that the request was redirected from the Ticket Selector
-     *  a REG URL Link, which indicates that the request is a return visit to SPCO for a valid TXN
-     * so if you're not coming from the Ticket Selector nor returning for a valid IP...
-     * then where you coming from man?
-     *
-     * @return boolean
-     */
-    private function _block_bots()
-    {
-        $invalid_checkout_access = \EED_Invalid_Checkout_Access::getInvalidCheckoutAccess();
-        if ($invalid_checkout_access->checkoutAccessIsInvalid($this->checkout)) {
-            return true;
-        }
-        return false;
-    }
-
-
-
-    /**
-     *    _get_first_step
-     *  gets slug for first step in $_reg_steps_array
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    string
-     */
-    private function _get_first_step()
-    {
-        $first_step = reset(EED_Single_Page_Checkout::$_reg_steps_array);
-        return isset($first_step['slug']) ? $first_step['slug'] : 'attendee_information';
-    }
-
-
-
-    /**
-     *    _load_and_instantiate_reg_steps
-     *  instantiates each reg step based on the loaded reg_steps array
-     *
-     * @access    private
-     * @throws EE_Error
-     * @return    bool
-     */
-    private function _load_and_instantiate_reg_steps()
-    {
-        // have reg_steps already been instantiated ?
-        if (
-            empty($this->checkout->reg_steps)
-            || apply_filters('FHEE__Single_Page_Checkout__load_reg_steps__reload_reg_steps', false, $this->checkout)
-        ) {
-            // if not, then loop through raw reg steps array
-            foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
-                if ( ! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
-                    return false;
-                }
-            }
-            EE_Registry::instance()->CFG->registration->skip_reg_confirmation = true;
-            EE_Registry::instance()->CFG->registration->reg_confirmation_last = true;
-            // skip the registration_confirmation page ?
-            if (EE_Registry::instance()->CFG->registration->skip_reg_confirmation) {
-                // just remove it from the reg steps array
-                $this->checkout->remove_reg_step('registration_confirmation', false);
-            } else if (
-                isset($this->checkout->reg_steps['registration_confirmation'])
-                && EE_Registry::instance()->CFG->registration->reg_confirmation_last
-            ) {
-                // set the order to something big like 100
-                $this->checkout->set_reg_step_order('registration_confirmation', 100);
-            }
-            // filter the array for good luck
-            $this->checkout->reg_steps = apply_filters(
-                'FHEE__Single_Page_Checkout__load_reg_steps__reg_steps',
-                $this->checkout->reg_steps
-            );
-            // finally re-sort based on the reg step class order properties
-            $this->checkout->sort_reg_steps();
-        } else {
-            foreach ($this->checkout->reg_steps as $reg_step) {
-                // set all current step stati to FALSE
-                $reg_step->set_is_current_step(false);
-            }
-        }
-        if (empty($this->checkout->reg_steps)) {
-            EE_Error::add_error(__('No Reg Steps were loaded..', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
-            return false;
-        }
-        // make reg step details available to JS
-        $this->checkout->set_reg_step_JSON_info();
-        return true;
-    }
-
-
-
-    /**
-     *     _load_and_instantiate_reg_step
-     *
-     * @access    private
-     * @param array $reg_step
-     * @param int   $order
-     * @return bool
-     */
-    private function _load_and_instantiate_reg_step($reg_step = array(), $order = 0)
-    {
-        // we need a file_path, class_name, and slug to add a reg step
-        if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
-            // if editing a specific step, but this is NOT that step... (and it's not the 'finalize_registration' step)
-            if (
-                $this->checkout->reg_url_link
-                && $this->checkout->step !== $reg_step['slug']
-                && $reg_step['slug'] !== 'finalize_registration'
-            ) {
-                return true;
-            }
-            // instantiate step class using file path and class name
-            $reg_step_obj = EE_Registry::instance()->load_file(
-                $reg_step['file_path'],
-                $reg_step['class_name'],
-                'class',
-                $this->checkout,
-                false
-            );
-            // did we gets the goods ?
-            if ($reg_step_obj instanceof EE_SPCO_Reg_Step) {
-                // set reg step order based on config
-                $reg_step_obj->set_order($order);
-                // add instantiated reg step object to the master reg steps array
-                $this->checkout->add_reg_step($reg_step_obj);
-            } else {
-                EE_Error::add_error(
-                    __('The current step could not be set.', 'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-                return false;
-            }
-        } else {
-            if (WP_DEBUG) {
-                EE_Error::add_error(
-                    sprintf(
-                        __('A registration step could not be loaded. One or more of the following data points is invalid:%4$s%5$sFile Path: %1$s%6$s%5$sClass Name: %2$s%6$s%5$sSlug: %3$s%6$s%7$s', 'event_espresso'),
-                        isset($reg_step['file_path']) ? $reg_step['file_path'] : '',
-                        isset($reg_step['class_name']) ? $reg_step['class_name'] : '',
-                        isset($reg_step['slug']) ? $reg_step['slug'] : '',
-                        '<ul>',
-                        '<li>',
-                        '</li>',
-                        '</ul>'
-                    ),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-            }
-            return false;
-        }
-        return true;
-    }
-
-
-
-    /**
-     * _verify_transaction_and_get_registrations
-     *
-     * @access private
-     * @return bool
-     */
-    private function _verify_transaction_and_get_registrations()
-    {
-        // was there already a valid transaction in the checkout from the session ?
-        if ( ! $this->checkout->transaction instanceof EE_Transaction) {
-            // get transaction from db or session
-            $this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
-                ? $this->_get_transaction_and_cart_for_previous_visit()
-                : $this->_get_cart_for_current_session_and_setup_new_transaction();
-            if ( ! $this->checkout->transaction instanceof EE_Transaction) {
-                EE_Error::add_error(
-                    __('Your Registration and Transaction information could not be retrieved from the db.',
-                        'event_espresso'),
-                    __FILE__, __FUNCTION__, __LINE__
-                );
-                $this->checkout->transaction = EE_Transaction::new_instance();
-                // add some style and make it dance
-                $this->add_styles_and_scripts();
-                EED_Single_Page_Checkout::$_initialized = true;
-                return false;
-            }
-            // and the registrations for the transaction
-            $this->_get_registrations($this->checkout->transaction);
-        }
-        return true;
-    }
-
-
-
-    /**
-     * _get_transaction_and_cart_for_previous_visit
-     *
-     * @access private
-     * @return mixed EE_Transaction|NULL
-     */
-    private function _get_transaction_and_cart_for_previous_visit()
-    {
-        /** @var $TXN_model EEM_Transaction */
-        $TXN_model = EE_Registry::instance()->load_model('Transaction');
-        // because the reg_url_link is present in the request, this is a return visit to SPCO, so we'll get the transaction data from the db
-        $transaction = $TXN_model->get_transaction_from_reg_url_link($this->checkout->reg_url_link);
-        // verify transaction
-        if ($transaction instanceof EE_Transaction) {
-            // and get the cart that was used for that transaction
-            $this->checkout->cart = $this->_get_cart_for_transaction($transaction);
-            return $transaction;
-        } else {
-            EE_Error::add_error(__('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
-            return null;
-        }
-    }
-
-
-
-    /**
-     * _get_cart_for_transaction
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return EE_Cart
-     */
-    private function _get_cart_for_transaction($transaction)
-    {
-        return $this->checkout->get_cart_for_transaction($transaction);
-    }
-
-
-
-    /**
-     * get_cart_for_transaction
-     *
-     * @access public
-     * @param EE_Transaction $transaction
-     * @return EE_Cart
-     */
-    public function get_cart_for_transaction(EE_Transaction $transaction)
-    {
-        return $this->checkout->get_cart_for_transaction($transaction);
-    }
-
-
-
-    /**
-     * _get_transaction_and_cart_for_current_session
-     *    generates a new EE_Transaction object and adds it to the $_transaction property.
-     *
-     * @access private
-     * @return EE_Transaction
-     * @throws \EE_Error
-     */
-    private function _get_cart_for_current_session_and_setup_new_transaction()
-    {
-        //  if there's no transaction, then this is the FIRST visit to SPCO
-        // so load up the cart ( passing nothing for the TXN because it doesn't exist yet )
-        $this->checkout->cart = $this->_get_cart_for_transaction(null);
-        // and then create a new transaction
-        $transaction = $this->_initialize_transaction();
-        // verify transaction
-        if ($transaction instanceof EE_Transaction) {
-            // save it so that we have an ID for other objects to use
-            $transaction->save();
-            // and save TXN data to the cart
-            $this->checkout->cart->get_grand_total()->save_this_and_descendants_to_txn($transaction->ID());
-        } else {
-            EE_Error::add_error(__('A Valid Transaction could not be initialized.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
-        }
-        return $transaction;
-    }
-
-
-
-    /**
-     *    generates a new EE_Transaction object and adds it to the $_transaction property.
-     *
-     * @access private
-     * @return mixed EE_Transaction|NULL
-     */
-    private function _initialize_transaction()
-    {
-        try {
-            // ensure cart totals have been calculated
-            $this->checkout->cart->get_grand_total()->recalculate_total_including_taxes();
-            // grab the cart grand total
-            $cart_total = $this->checkout->cart->get_cart_grand_total();
-            // create new TXN
-            $transaction = EE_Transaction::new_instance(
-                array(
-                    'TXN_reg_steps' => $this->checkout->initialize_txn_reg_steps_array(),
-                    'TXN_total'     => $cart_total > 0 ? $cart_total : 0,
-                    'TXN_paid'      => 0,
-                    'STS_ID'        => EEM_Transaction::failed_status_code,
-                )
-            );
-            // save it so that we have an ID for other objects to use
-            $transaction->save();
-            // set cron job for following up on TXNs after their session has expired
-            EE_Cron_Tasks::schedule_expired_transaction_check(
-                EE_Registry::instance()->SSN->expiration() + 1,
-                $transaction->ID()
-            );
-            return $transaction;
-        } catch (Exception $e) {
-            EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
-        }
-        return null;
-    }
-
-
-
-    /**
-     * _get_registrations
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws \EventEspresso\core\exceptions\InvalidEntityException
-     * @throws \EE_Error
-     */
-    private function _get_registrations(EE_Transaction $transaction)
-    {
-        // first step: grab the registrants  { : o
-        $registrations = $transaction->registrations($this->checkout->reg_cache_where_params, true);
-        // verify registrations have been set
-        if (empty($registrations)) {
-            // if no cached registrations, then check the db
-            $registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
-            // still nothing ? well as long as this isn't a revisit
-            if (empty($registrations) && ! $this->checkout->revisit) {
-                // generate new registrations from scratch
-                $registrations = $this->_initialize_registrations($transaction);
-            }
-        }
-        // sort by their original registration order
-        usort($registrations, array('EED_Single_Page_Checkout', 'sort_registrations_by_REG_count'));
-        // then loop thru the array
-        foreach ($registrations as $registration) {
-            // verify each registration
-            if ($registration instanceof EE_Registration) {
-                // we display all attendee info for the primary registrant
-                if ($this->checkout->reg_url_link === $registration->reg_url_link()
-                    && $registration->is_primary_registrant()
-                ) {
-                    $this->checkout->primary_revisit = true;
-                    break;
-                } else if ($this->checkout->revisit
-                           && $this->checkout->reg_url_link !== $registration->reg_url_link()
-                ) {
-                    // but hide info if it doesn't belong to you
-                    $transaction->clear_cache('Registration', $registration->ID());
-                }
-                $this->checkout->set_reg_status_updated($registration->ID(), false);
-            }
-        }
-    }
-
-
-
-    /**
-     *    adds related EE_Registration objects for each ticket in the cart to the current EE_Transaction object
-     *
-     * @access private
-     * @param EE_Transaction $transaction
-     * @return    array
-     * @throws \EventEspresso\core\exceptions\InvalidEntityException
-     * @throws \EE_Error
-     */
-    private function _initialize_registrations(EE_Transaction $transaction)
-    {
-        $att_nmbr = 0;
-        $registrations = array();
-        if ($transaction instanceof EE_Transaction) {
-            /** @type EE_Registration_Processor $registration_processor */
-            $registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
-            $this->checkout->total_ticket_count = $this->checkout->cart->all_ticket_quantity_count();
-            // now let's add the cart items to the $transaction
-            foreach ($this->checkout->cart->get_tickets() as $line_item) {
-                //do the following for each ticket of this type they selected
-                for ($x = 1; $x <= $line_item->quantity(); $x++) {
-                    $att_nmbr++;
-                    /** @var EventEspresso\core\services\commands\registration\CreateRegistrationCommand $CreateRegistrationCommand */
-                    $CreateRegistrationCommand = EE_Registry::instance()
-                                                            ->create(
-                                                                'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
-                                                                array(
-                                                                    $transaction,
-                                                                    $line_item,
-                                                                    $att_nmbr,
-                                                                    $this->checkout->total_ticket_count,
-                                                                )
-                                                            );
-                    // override capabilities for frontend registrations
-                    if ( ! is_admin()) {
-                        $CreateRegistrationCommand->setCapCheck(
-                            new PublicCapabilities('', 'create_new_registration')
-                        );
-                    }
-                    $registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
-                    if ( ! $registration instanceof EE_Registration) {
-                        throw new InvalidEntityException($registration, 'EE_Registration');
-                    }
-                    $registrations[ $registration->ID() ] = $registration;
-                }
-            }
-            $registration_processor->fix_reg_final_price_rounding_issue($transaction);
-        }
-        return $registrations;
-    }
-
-
-
-    /**
-     * sorts registrations by REG_count
-     *
-     * @access public
-     * @param EE_Registration $reg_A
-     * @param EE_Registration $reg_B
-     * @return int
-     */
-    public static function sort_registrations_by_REG_count(EE_Registration $reg_A, EE_Registration $reg_B)
-    {
-        // this shouldn't ever happen within the same TXN, but oh well
-        if ($reg_A->count() === $reg_B->count()) {
-            return 0;
-        }
-        return ($reg_A->count() > $reg_B->count()) ? 1 : -1;
-    }
-
-
-
-    /**
-     *    _final_verifications
-     * just makes sure that everything is set up correctly before proceeding
-     *
-     * @access    private
-     * @return    bool
-     * @throws \EE_Error
-     */
-    private function _final_verifications()
-    {
-        // filter checkout
-        $this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___final_verifications__checkout', $this->checkout);
-        //verify that current step is still set correctly
-        if ( ! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
-            EE_Error::add_error(
-                __('We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        // if returning to SPCO, then verify that primary registrant is set
-        if ( ! empty($this->checkout->reg_url_link)) {
-            $valid_registrant = $this->checkout->transaction->primary_registration();
-            if ( ! $valid_registrant instanceof EE_Registration) {
-                EE_Error::add_error(
-                    __('We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-            $valid_registrant = null;
-            foreach ($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration) {
-                if (
-                    $registration instanceof EE_Registration
-                    && $registration->reg_url_link() === $this->checkout->reg_url_link
-                ) {
-                    $valid_registrant = $registration;
-                }
-            }
-            if ( ! $valid_registrant instanceof EE_Registration) {
-                // hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
-                if (EED_Single_Page_Checkout::$_checkout_verified) {
-                    // clear the session, mark the checkout as unverified, and try again
-                    EE_Registry::instance()->SSN->clear_session();
-                    EED_Single_Page_Checkout::$_initialized = false;
-                    EED_Single_Page_Checkout::$_checkout_verified = false;
-                    $this->_initialize();
-                    EE_Error::reset_notices();
-                    return false;
-                }
-                EE_Error::add_error(
-                    __('We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.', 'event_espresso'),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        }
-        // now that things have been kinda sufficiently verified,
-        // let's add the checkout to the session so that's available other systems
-        EE_Registry::instance()->SSN->set_checkout($this->checkout);
-        return true;
-    }
-
-
-
-    /**
-     *    _initialize_reg_steps
-     * first makes sure that EE_Transaction_Processor::set_reg_step_initiated() is called as required
-     * then loops thru all of the active reg steps and calls the initialize_reg_step() method
-     *
-     * @access    private
-     * @param bool $reinitializing
-     * @throws \EE_Error
-     */
-    private function _initialize_reg_steps($reinitializing = false)
-    {
-        $this->checkout->set_reg_step_initiated($this->checkout->current_step);
-        // loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
-        foreach ($this->checkout->reg_steps as $reg_step) {
-            if ( ! $reg_step->initialize_reg_step()) {
-                // if not initialized then maybe this step is being removed...
-                if ( ! $reinitializing && $reg_step->is_current_step()) {
-                    // if it was the current step, then we need to start over here
-                    $this->_initialize_reg_steps(true);
-                    return;
-                }
-                continue;
-            }
-            // add css and JS for current step
-            $reg_step->enqueue_styles_and_scripts();
-            // i18n
-            $reg_step->translate_js_strings();
-            if ($reg_step->is_current_step()) {
-                // the text that appears on the reg step form submit button
-                $reg_step->set_submit_button_text();
-            }
-        }
-        // dynamically creates hook point like: AHEE__Single_Page_Checkout___initialize_reg_step__attendee_information
-        do_action("AHEE__Single_Page_Checkout___initialize_reg_step__{$this->checkout->current_step->slug()}", $this->checkout->current_step);
-    }
-
-
-
-    /**
-     * _check_form_submission
-     *
-     * @access private
-     * @return boolean
-     */
-    private function _check_form_submission()
-    {
-        //does this request require the reg form to be generated ?
-        if ($this->checkout->generate_reg_form) {
-            // ever heard that song by Blue Rodeo ?
-            try {
-                $this->checkout->current_step->reg_form = $this->checkout->current_step->generate_reg_form();
-                // if not displaying a form, then check for form submission
-                if (
-                    $this->checkout->process_form_submission
-                    && $this->checkout->current_step->reg_form->was_submitted()
-                ) {
-                    // clear out any old data in case this step is being run again
-                    $this->checkout->current_step->set_valid_data(array());
-                    // capture submitted form data
-                    $this->checkout->current_step->reg_form->receive_form_submission(
-                        apply_filters('FHEE__Single_Page_Checkout___check_form_submission__request_params', EE_Registry::instance()->REQ->params(), $this->checkout)
-                    );
-                    // validate submitted form data
-                    if ( ! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
-                        // thou shall not pass !!!
-                        $this->checkout->continue_reg = false;
-                        // any form validation errors?
-                        if ($this->checkout->current_step->reg_form->submission_error_message() !== '') {
-                            $submission_error_messages = array();
-                            // bad, bad, bad registrant
-                            foreach ($this->checkout->current_step->reg_form->get_validation_errors_accumulated() as $validation_error) {
-                                if ($validation_error instanceof EE_Validation_Error) {
-                                    $submission_error_messages[] = sprintf(
-                                        __('%s : %s', 'event_espresso'),
-                                        $validation_error->get_form_section()->html_label_text(),
-                                        $validation_error->getMessage()
-                                    );
-                                }
-                            }
-                            EE_Error::add_error(implode('<br />', $submission_error_messages), __FILE__, __FUNCTION__, __LINE__);
-                        }
-                        // well not really... what will happen is we'll just get redirected back to redo the current step
-                        $this->go_to_next_step();
-                        return false;
-                    }
-                }
-            } catch (EE_Error $e) {
-                $e->get_error();
-            }
-        }
-        return true;
-    }
-
-
-
-    /**
-     * _process_action
-     *
-     * @access private
-     * @return void
-     * @throws \EE_Error
-     */
-    private function _process_form_action()
-    {
-        // what cha wanna do?
-        switch ($this->checkout->action) {
-            // AJAX next step reg form
-            case 'display_spco_reg_step' :
-                $this->checkout->redirect = false;
-                if (EE_Registry::instance()->REQ->ajax) {
-                    $this->checkout->json_response->set_reg_step_html($this->checkout->current_step->display_reg_form());
-                }
-                break;
-            default :
-                // meh... do one of those other steps first
-                if ( ! empty($this->checkout->action) && is_callable(array($this->checkout->current_step, $this->checkout->action))) {
-                    // dynamically creates hook point like: AHEE__Single_Page_Checkout__before_attendee_information__process_reg_step
-                    do_action("AHEE__Single_Page_Checkout__before_{$this->checkout->current_step->slug()}__{$this->checkout->action}", $this->checkout->current_step);
-                    // call action on current step
-                    if (call_user_func(array($this->checkout->current_step, $this->checkout->action))) {
-                        // good registrant, you get to proceed
-                        if (
-                            $this->checkout->current_step->success_message() !== ''
-                            && apply_filters(
-                                'FHEE__Single_Page_Checkout___process_form_action__display_success',
-                                false
-                            )
-                        ) {
-                            EE_Error::add_success(
-                                $this->checkout->current_step->success_message()
-                                . '<br />' . $this->checkout->next_step->_instructions()
-                            );
-                        }
-                        // pack it up, pack it in...
-                        $this->_setup_redirect();
-                    }
-                    // dynamically creates hook point like: AHEE__Single_Page_Checkout__after_payment_options__process_reg_step
-                    do_action("AHEE__Single_Page_Checkout__after_{$this->checkout->current_step->slug()}__{$this->checkout->action}", $this->checkout->current_step);
-                } else {
-                    EE_Error::add_error(
-                        sprintf(
-                            __('The requested form action "%s" does not exist for the current "%s" registration step.', 'event_espresso'),
-                            $this->checkout->action,
-                            $this->checkout->current_step->name()
-                        ),
-                        __FILE__,
-                        __FUNCTION__,
-                        __LINE__
-                    );
-                }
-            // end default
-        }
-        // store our progress so far
-        $this->checkout->stash_transaction_and_checkout();
-        // advance to the next step! If you pass GO, collect $200
-        $this->go_to_next_step();
-    }
-
-
-
-    /**
-     *        add_styles_and_scripts
-     *
-     * @access        public
-     * @return        void
-     */
-    public function add_styles_and_scripts()
-    {
-        // i18n
-        $this->translate_js_strings();
-        if ($this->checkout->admin_request) {
-            add_action('admin_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
-        } else {
-            add_action('wp_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
-        }
-    }
-
-
-
-    /**
-     *        translate_js_strings
-     *
-     * @access        public
-     * @return        void
-     */
-    public function translate_js_strings()
-    {
-        EE_Registry::$i18n_js_strings['revisit'] = $this->checkout->revisit;
-        EE_Registry::$i18n_js_strings['e_reg_url_link'] = $this->checkout->reg_url_link;
-        EE_Registry::$i18n_js_strings['server_error'] = __('An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.', 'event_espresso');
-        EE_Registry::$i18n_js_strings['invalid_json_response'] = __('An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.', 'event_espresso');
-        EE_Registry::$i18n_js_strings['validation_error'] = __('There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.', 'event_espresso');
-        EE_Registry::$i18n_js_strings['invalid_payment_method'] = __('There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.', 'event_espresso');
-        EE_Registry::$i18n_js_strings['reg_step_error'] = __('This registration step could not be completed. Please refresh the page and try again.', 'event_espresso');
-        EE_Registry::$i18n_js_strings['invalid_coupon'] = __('We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.', 'event_espresso');
-        EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
-            __('Please wait while we process your registration.%sDo not refresh the page or navigate away while this is happening.%sThank you for your patience.', 'event_espresso'),
-            '<br/>',
-            '<br/>'
-        );
-        EE_Registry::$i18n_js_strings['language'] = get_bloginfo('language');
-        EE_Registry::$i18n_js_strings['EESID'] = EE_Registry::instance()->SSN->id();
-        EE_Registry::$i18n_js_strings['currency'] = EE_Registry::instance()->CFG->currency;
-        EE_Registry::$i18n_js_strings['datepicker_yearRange'] = '-150:+20';
-        EE_Registry::$i18n_js_strings['timer_years'] = __('years', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_months'] = __('months', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_weeks'] = __('weeks', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_days'] = __('days', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hours'] = __('hours', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minutes'] = __('minutes', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_seconds'] = __('seconds', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_year'] = __('year', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_month'] = __('month', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_week'] = __('week', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_day'] = __('day', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_hour'] = __('hour', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_minute'] = __('minute', 'event_espresso');
-        EE_Registry::$i18n_js_strings['timer_second'] = __('second', 'event_espresso');
-        EE_Registry::$i18n_js_strings['registration_expiration_notice'] = sprintf(
-            __(
-                '%1$sWe\'re sorry, but your registration time has expired.%2$s%3$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please except our apologies for any inconvenience this may have caused.%8$s',
-                'event_espresso'
-            ),
-            '<h4 class="important-notice">',
-            '</h4>',
-            '<br />',
-            '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
-            '">',
-            '</a>',
-            '</p>'
-        );
-        EE_Registry::$i18n_js_strings['ajax_submit'] = apply_filters('FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit', true);
-        EE_Registry::$i18n_js_strings['session_extension'] = absint(
-            apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS)
-        );
-        EE_Registry::$i18n_js_strings['session_expiration'] = gmdate(
-            'M d, Y H:i:s', EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)
-        );
-    }
-
-
-
-    /**
-     *    enqueue_styles_and_scripts
-     *
-     * @access        public
-     * @return        void
-     * @throws \EE_Error
-     */
-    public function enqueue_styles_and_scripts()
-    {
-        // load css
-        wp_register_style('single_page_checkout', SPCO_CSS_URL . 'single_page_checkout.css', array(), EVENT_ESPRESSO_VERSION);
-        wp_enqueue_style('single_page_checkout');
-        // load JS
-        wp_register_script('jquery_plugin', EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js', array('jquery'), '1.0.1', true);
-        wp_register_script('jquery_countdown', EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js', array('jquery_plugin'), '2.0.2', true);
-        wp_register_script('single_page_checkout', SPCO_JS_URL . 'single_page_checkout.js', array('espresso_core', 'underscore', 'ee_form_section_validation', 'jquery_countdown'), EVENT_ESPRESSO_VERSION, true);
-        if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
-            $this->checkout->registration_form->enqueue_js();
-        }
-        if ($this->checkout->current_step->reg_form instanceof EE_Form_Section_Proper) {
-            $this->checkout->current_step->reg_form->enqueue_js();
-        }
-        wp_enqueue_script('single_page_checkout');
-        /**
-         * global action hook for enqueueing styles and scripts with
-         * spco calls.
-         */
-        do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts', $this);
-        /**
-         * dynamic action hook for enqueueing styles and scripts with spco calls.
-         * The hook will end up being something like AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
-         */
-        do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(), $this);
-    }
-
-
-
-    /**
-     *    display the Registration Single Page Checkout Form
-     *
-     * @access    private
-     * @return    void
-     * @throws \EE_Error
-     */
-    private function _display_spco_reg_form()
-    {
-        // if registering via the admin, just display the reg form for the current step
-        if ($this->checkout->admin_request) {
-            EE_Registry::instance()->REQ->add_output($this->checkout->current_step->display_reg_form());
-        } else {
-            // add powered by EE msg
-            add_action('AHEE__SPCO__reg_form_footer', array('EED_Single_Page_Checkout', 'display_registration_footer'));
-            $empty_cart = count($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params)) < 1
-                ? true
-                : false;
-            EE_Registry::$i18n_js_strings['empty_cart'] = $empty_cart;
-            $cookies_not_set_msg = '';
-            if ($empty_cart && ! isset($_COOKIE['ee_cookie_test'])) {
-                $cookies_not_set_msg = apply_filters(
-                    'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
-                    sprintf(
-                        __(
-                            '%1$s%3$sIt appears your browser is not currently set to accept Cookies%4$s%5$sIn order to register for events, you need to enable cookies.%7$sIf you require assistance, then click the following link to learn how to %8$senable cookies%9$s%6$s%2$s',
-                            'event_espresso'
-                        ),
-                        '<div class="ee-attention">',
-                        '</div>',
-                        '<h6 class="important-notice">',
-                        '</h6>',
-                        '<p>',
-                        '</p>',
-                        '<br />',
-                        '<a href="http://www.whatarecookies.com/enable.asp" target="_blank">',
-                        '</a>'
-                    )
-                );
-            }
-            $this->checkout->registration_form = new EE_Form_Section_Proper(
-                array(
-                    'name'            => 'single-page-checkout',
-                    'html_id'         => 'ee-single-page-checkout-dv',
-                    'layout_strategy' =>
-                        new EE_Template_Layout(
-                            array(
-                                'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
-                                'template_args'        => array(
-                                    'empty_cart'              => $empty_cart,
-                                    'revisit'                 => $this->checkout->revisit,
-                                    'reg_steps'               => $this->checkout->reg_steps,
-                                    'next_step'               => $this->checkout->next_step instanceof EE_SPCO_Reg_Step
-                                        ? $this->checkout->next_step->slug()
-                                        : '',
-                                    'cancel_page_url'         => $this->checkout->cancel_page_url,
-                                    'empty_msg'               => apply_filters(
-                                        'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
-                                        sprintf(
-                                            __('You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
-                                                'event_espresso'),
-                                            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
-                                            '">',
-                                            '</a>'
-                                        )
-                                    ),
-                                    'cookies_not_set_msg'     => $cookies_not_set_msg,
-                                    'registration_time_limit' => $this->checkout->get_registration_time_limit(),
-                                    'session_expiration'      =>
-                                        date('M d, Y H:i:s', EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)),
-                                ),
-                            )
-                        ),
-                )
-            );
-            // load template and add to output sent that gets filtered into the_content()
-            EE_Registry::instance()->REQ->add_output($this->checkout->registration_form->get_html());
-        }
-    }
-
-
-
-    /**
-     *    add_extra_finalize_registration_inputs
-     *
-     * @access    public
-     * @param $next_step
-     * @internal  param string $label
-     * @return void
-     */
-    public function add_extra_finalize_registration_inputs($next_step)
-    {
-        if ($next_step === 'finalize_registration') {
-            echo '<div id="spco-extra-finalize_registration-inputs-dv"></div>';
-        }
-    }
-
-
-
-    /**
-     *    display_registration_footer
-     *
-     * @access    public
-     * @return    string
-     */
-    public static function display_registration_footer()
-    {
-        if (
-        apply_filters(
-            'FHEE__EE_Front__Controller__show_reg_footer',
-            EE_Registry::instance()->CFG->admin->show_reg_footer
-        )
-        ) {
-            add_filter(
-                'FHEE__EEH_Template__powered_by_event_espresso__url',
-                function ($url) {
-                    return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
-                }
-            );
-            echo apply_filters(
-                'FHEE__EE_Front_Controller__display_registration_footer',
-                \EEH_Template::powered_by_event_espresso(
-                    '',
-                    'espresso-registration-footer-dv',
-                    array('utm_content' => 'registration_checkout')
-                )
-            );
-        }
-        return '';
-    }
-
-
-
-    /**
-     *    unlock_transaction
-     *
-     * @access    public
-     * @return    void
-     * @throws \EE_Error
-     */
-    public function unlock_transaction()
-    {
-        if ($this->checkout->transaction instanceof EE_Transaction) {
-            $this->checkout->transaction->unlock();
-        }
-    }
-
-
-
-    /**
-     *        _setup_redirect
-     *
-     * @access    private
-     * @return void
-     */
-    private function _setup_redirect()
-    {
-        if ($this->checkout->continue_reg && $this->checkout->next_step instanceof EE_SPCO_Reg_Step) {
-            $this->checkout->redirect = true;
-            if (empty($this->checkout->redirect_url)) {
-                $this->checkout->redirect_url = $this->checkout->next_step->reg_step_url();
-            }
-            $this->checkout->redirect_url = apply_filters(
-                'FHEE__EED_Single_Page_Checkout___setup_redirect__checkout_redirect_url',
-                $this->checkout->redirect_url,
-                $this->checkout
-            );
-        }
-    }
-
-
-
-    /**
-     *   handle ajax message responses and redirects
-     *
-     * @access public
-     * @return void
-     * @throws \EE_Error
-     */
-    public function go_to_next_step()
-    {
-        if (EE_Registry::instance()->REQ->ajax) {
-            // capture contents of output buffer we started earlier in the request, and insert into JSON response
-            $this->checkout->json_response->set_unexpected_errors(ob_get_clean());
-        }
-        $this->unlock_transaction();
-        // just return for these conditions
-        if (
-            $this->checkout->admin_request
-            || $this->checkout->action === 'redirect_form'
-            || $this->checkout->action === 'update_checkout'
-        ) {
-            return;
-        }
-        // AJAX response
-        $this->_handle_json_response();
-        // redirect to next step or the Thank You page
-        $this->_handle_html_redirects();
-        // hmmm... must be something wrong, so let's just display the form again !
-        $this->_display_spco_reg_form();
-    }
-
-
-
-    /**
-     *   _handle_json_response
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _handle_json_response()
-    {
-        // if this is an ajax request
-        if (EE_Registry::instance()->REQ->ajax) {
-            // DEBUG LOG
-            //$this->checkout->log(
-            //	__CLASS__, __FUNCTION__, __LINE__,
-            //	array(
-            //		'json_response_redirect_url' => $this->checkout->json_response->redirect_url(),
-            //		'redirect'                   => $this->checkout->redirect,
-            //		'continue_reg'               => $this->checkout->continue_reg,
-            //	)
-            //);
-            $this->checkout->json_response->set_registration_time_limit(
-                $this->checkout->get_registration_time_limit()
-            );
-            $this->checkout->json_response->set_payment_amount($this->checkout->amount_owing);
-            // just send the ajax (
-            $json_response = apply_filters(
-                'FHEE__EE_Single_Page_Checkout__JSON_response',
-                $this->checkout->json_response
-            );
-            echo $json_response;
-            exit();
-        }
-    }
-
-
-
-    /**
-     *   _handle_redirects
-     *
-     * @access protected
-     * @return void
-     */
-    protected function _handle_html_redirects()
-    {
-        // going somewhere ?
-        if ($this->checkout->redirect && ! empty($this->checkout->redirect_url)) {
-            // store notices in a transient
-            EE_Error::get_notices(false, true, true);
-            // DEBUG LOG
-            //$this->checkout->log(
-            //	__CLASS__, __FUNCTION__, __LINE__,
-            //	array(
-            //		'headers_sent' => headers_sent(),
-            //		'redirect_url'     => $this->checkout->redirect_url,
-            //		'headers_list'    => headers_list(),
-            //	)
-            //);
-            wp_safe_redirect($this->checkout->redirect_url);
-            exit();
-        }
-    }
-
-
-
-    /**
-     *   set_checkout_anchor
-     *
-     * @access public
-     * @return void
-     */
-    public function set_checkout_anchor()
-    {
-        echo '<a id="checkout" style="float: left; margin-left: -999em;"></a>';
-    }
+	/**
+	 * $_initialized - has the SPCO controller already been initialized ?
+	 *
+	 * @access private
+	 * @var bool $_initialized
+	 */
+	private static $_initialized = false;
+
+
+	/**
+	 * $_checkout_verified - is the EE_Checkout verified as correct for this request ?
+	 *
+	 * @access private
+	 * @var bool $_valid_checkout
+	 */
+	private static $_checkout_verified = true;
+
+	/**
+	 *    $_reg_steps_array - holds initial array of reg steps
+	 *
+	 * @access private
+	 * @var array $_reg_steps_array
+	 */
+	private static $_reg_steps_array = array();
+
+	/**
+	 *    $checkout - EE_Checkout object for handling the properties of the current checkout process
+	 *
+	 * @access public
+	 * @var EE_Checkout $checkout
+	 */
+	public $checkout;
+
+
+
+	/**
+	 * @return EED_Single_Page_Checkout
+	 */
+	public static function instance()
+	{
+		add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
+		return parent::get_instance(__CLASS__);
+	}
+
+
+
+	/**
+	 * @return EE_CART
+	 */
+	public function cart()
+	{
+		return $this->checkout->cart;
+	}
+
+
+
+	/**
+	 * @return EE_Transaction
+	 */
+	public function transaction()
+	{
+		return $this->checkout->transaction;
+	}
+
+
+
+	/**
+	 *    set_hooks - for hooking into EE Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public static function set_hooks()
+	{
+		EED_Single_Page_Checkout::set_definitions();
+	}
+
+
+
+	/**
+	 *    set_hooks_admin - for hooking into EE Admin Core, other modules, etc
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public static function set_hooks_admin()
+	{
+		EED_Single_Page_Checkout::set_definitions();
+		if ( ! (defined('DOING_AJAX') && DOING_AJAX)) {
+			// hook into the top of pre_get_posts to set the reg step routing, which gives other modules or plugins a chance to modify the reg steps, but just before the routes get called
+			add_action('pre_get_posts', array('EED_Single_Page_Checkout', 'load_reg_steps'), 1);
+			return;
+		}
+		// going to start an output buffer in case anything gets accidentally output that might disrupt our JSON response
+		ob_start();
+		EED_Single_Page_Checkout::load_request_handler();
+		EED_Single_Page_Checkout::load_reg_steps();
+		// set ajax hooks
+		add_action('wp_ajax_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
+		add_action('wp_ajax_nopriv_process_reg_step', array('EED_Single_Page_Checkout', 'process_reg_step'));
+		add_action('wp_ajax_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
+		add_action('wp_ajax_nopriv_display_spco_reg_step', array('EED_Single_Page_Checkout', 'display_reg_step'));
+		add_action('wp_ajax_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
+		add_action('wp_ajax_nopriv_update_reg_step', array('EED_Single_Page_Checkout', 'update_reg_step'));
+	}
+
+
+
+	/**
+	 *    process ajax request
+	 *
+	 * @param string $ajax_action
+	 * @throws \EE_Error
+	 */
+	public static function process_ajax_request($ajax_action)
+	{
+		EE_Registry::instance()->REQ->set('action', $ajax_action);
+		EED_Single_Page_Checkout::instance()->_initialize();
+	}
+
+
+
+	/**
+	 *    ajax display registration step
+	 *
+	 * @throws \EE_Error
+	 */
+	public static function display_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('display_spco_reg_step');
+	}
+
+
+
+	/**
+	 *    ajax process registration step
+	 *
+	 * @throws \EE_Error
+	 */
+	public static function process_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('process_reg_step');
+	}
+
+
+
+	/**
+	 *    ajax process registration step
+	 *
+	 * @throws \EE_Error
+	 */
+	public static function update_reg_step()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('update_reg_step');
+	}
+
+
+
+	/**
+	 *   update_checkout
+	 *
+	 * @access public
+	 * @return void
+	 * @throws \EE_Error
+	 */
+	public static function update_checkout()
+	{
+		EED_Single_Page_Checkout::process_ajax_request('update_checkout');
+	}
+
+
+
+	/**
+	 *    load_request_handler
+	 *
+	 * @access    public
+	 * @return    void
+	 */
+	public static function load_request_handler()
+	{
+		// load core Request_Handler class
+		if ( ! isset(EE_Registry::instance()->REQ)) {
+			EE_Registry::instance()->load_core('Request_Handler');
+		}
+	}
+
+
+
+	/**
+	 *    set_definitions
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public static function set_definitions()
+	{
+		define('SPCO_BASE_PATH', rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS);
+		define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
+		define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
+		define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
+		define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
+		define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
+		define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
+		EE_Registry::$i18n_js_strings['registration_expiration_notice'] = sprintf(
+			__('%1$sWe\'re sorry, but you\'re registration time has expired.%2$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please except our apologies for any inconvenience this may have caused.%8$s',
+				'event_espresso'),
+			'<h4 class="important-notice">',
+			'</h4>',
+			'<br />',
+			'<p>',
+			'<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+			'">',
+			'</a>',
+			'</p>'
+		);
+	}
+
+
+
+	/**
+	 * load_reg_steps
+	 * loads and instantiates each reg step based on the EE_Registry::instance()->CFG->registration->reg_steps array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return void
+	 */
+	public static function load_reg_steps()
+	{
+		static $reg_steps_loaded = false;
+		if ($reg_steps_loaded) {
+			return;
+		}
+		// filter list of reg_steps
+		$reg_steps_to_load = (array)apply_filters(
+			'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
+			EED_Single_Page_Checkout::get_reg_steps()
+		);
+		// sort by key (order)
+		ksort($reg_steps_to_load);
+		// loop through folders
+		foreach ($reg_steps_to_load as $order => $reg_step) {
+			// we need a
+			if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
+				// copy over to the reg_steps_array
+				EED_Single_Page_Checkout::$_reg_steps_array[$order] = $reg_step;
+				// register custom key route for each reg step
+				// ie: step=>"slug" - this is the entire reason we load the reg steps array now
+				EE_Config::register_route($reg_step['slug'], 'EED_Single_Page_Checkout', 'run', 'step');
+				// add AJAX or other hooks
+				if (isset($reg_step['has_hooks']) && $reg_step['has_hooks']) {
+					// setup autoloaders if necessary
+					if ( ! class_exists($reg_step['class_name'])) {
+						EEH_Autoloader::register_autoloaders_for_each_file_in_folder($reg_step['file_path'], true);
+					}
+					if (is_callable($reg_step['class_name'], 'set_hooks')) {
+						call_user_func(array($reg_step['class_name'], 'set_hooks'));
+					}
+				}
+			}
+		}
+		$reg_steps_loaded = true;
+	}
+
+
+
+	/**
+	 *    get_reg_steps
+	 *
+	 * @access    public
+	 * @return    array
+	 */
+	public static function get_reg_steps()
+	{
+		$reg_steps = EE_Registry::instance()->CFG->registration->reg_steps;
+		if (empty($reg_steps)) {
+			$reg_steps = array(
+				10  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
+					'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
+					'slug'       => 'attendee_information',
+					'has_hooks'  => false,
+				),
+				20  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'registration_confirmation',
+					'class_name' => 'EE_SPCO_Reg_Step_Registration_Confirmation',
+					'slug'       => 'registration_confirmation',
+					'has_hooks'  => false,
+				),
+				30  => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
+					'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
+					'slug'       => 'payment_options',
+					'has_hooks'  => true,
+				),
+				999 => array(
+					'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
+					'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
+					'slug'       => 'finalize_registration',
+					'has_hooks'  => false,
+				),
+			);
+		}
+		return $reg_steps;
+	}
+
+
+
+	/**
+	 *    registration_checkout_for_admin
+	 *
+	 * @access    public
+	 * @return    string
+	 * @throws \EE_Error
+	 */
+	public static function registration_checkout_for_admin()
+	{
+		EED_Single_Page_Checkout::load_reg_steps();
+		EE_Registry::instance()->REQ->set('step', 'attendee_information');
+		EE_Registry::instance()->REQ->set('action', 'display_spco_reg_step');
+		EE_Registry::instance()->REQ->set('process_form_submission', false);
+		EED_Single_Page_Checkout::instance()->_initialize();
+		EED_Single_Page_Checkout::instance()->_display_spco_reg_form();
+		return EE_Registry::instance()->REQ->get_output();
+	}
+
+
+
+	/**
+	 * process_registration_from_admin
+	 *
+	 * @access public
+	 * @return \EE_Transaction
+	 * @throws \EE_Error
+	 */
+	public static function process_registration_from_admin()
+	{
+		EED_Single_Page_Checkout::load_reg_steps();
+		EE_Registry::instance()->REQ->set('step', 'attendee_information');
+		EE_Registry::instance()->REQ->set('action', 'process_reg_step');
+		EE_Registry::instance()->REQ->set('process_form_submission', true);
+		EED_Single_Page_Checkout::instance()->_initialize();
+		if (EED_Single_Page_Checkout::instance()->checkout->current_step->completed()) {
+			$final_reg_step = end(EED_Single_Page_Checkout::instance()->checkout->reg_steps);
+			if ($final_reg_step instanceof EE_SPCO_Reg_Step_Finalize_Registration) {
+				EED_Single_Page_Checkout::instance()->checkout->set_reg_step_initiated($final_reg_step);
+				if ($final_reg_step->process_reg_step()) {
+					$final_reg_step->set_completed();
+					EED_Single_Page_Checkout::instance()->checkout->update_txn_reg_steps_array();
+					return EED_Single_Page_Checkout::instance()->checkout->transaction;
+				}
+			}
+		}
+		return null;
+	}
+
+
+
+	/**
+	 *    run
+	 *
+	 * @access    public
+	 * @param WP_Query $WP_Query
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public function run($WP_Query)
+	{
+		if (
+			$WP_Query instanceof WP_Query
+			&& $WP_Query->is_main_query()
+			&& apply_filters('FHEE__EED_Single_Page_Checkout__run', true)
+			&& $this->_is_reg_checkout()
+		) {
+			$this->_initialize();
+		}
+	}
+
+
+
+	/**
+	 * determines whether current url matches reg page url
+	 *
+	 * @return bool
+	 */
+	protected function _is_reg_checkout()
+	{
+		// get current permalink for reg page without any extra query args
+		$reg_page_url = \get_permalink(EE_Config::instance()->core->reg_page_id);
+		// get request URI for current request, but without the scheme or host
+		$current_request_uri = \EEH_URL::filter_input_server_url('REQUEST_URI');
+		$current_request_uri = html_entity_decode($current_request_uri);
+		// get array of query args from the current request URI
+		$query_args = \EEH_URL::get_query_string($current_request_uri);
+		// grab page id if it is set
+		$page_id = isset($query_args['page_id']) ? absint($query_args['page_id']) : 0;
+		// and remove the page id from the query args (we will re-add it later)
+		unset($query_args['page_id']);
+		// now strip all query args from current request URI
+		$current_request_uri = remove_query_arg(array_flip($query_args), $current_request_uri);
+		// and re-add the page id if it was set
+		if ($page_id) {
+			$current_request_uri = add_query_arg('page_id', $page_id, $current_request_uri);
+		}
+		// remove slashes and ?
+		$current_request_uri = trim($current_request_uri, '?/');
+		// is current request URI part of the known full reg page URL ?
+		return ! empty($current_request_uri) && strpos($reg_page_url, $current_request_uri) !== false;
+	}
+
+
+
+	/**
+	 *    run
+	 *
+	 * @access    public
+	 * @param WP_Query $WP_Query
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public static function init($WP_Query)
+	{
+		EED_Single_Page_Checkout::instance()->run($WP_Query);
+	}
+
+
+
+	/**
+	 *    _initialize - initial module setup
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    void
+	 */
+	private function _initialize()
+	{
+		// ensure SPCO doesn't run twice
+		if (EED_Single_Page_Checkout::$_initialized) {
+			return;
+		}
+		try {
+			$this->_verify_session();
+			// setup the EE_Checkout object
+			$this->checkout = $this->_initialize_checkout();
+			// filter checkout
+			$this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
+			// get the $_GET
+			$this->_get_request_vars();
+			if ($this->_block_bots()) {
+				return;
+			}
+			// filter continue_reg
+			$this->checkout->continue_reg = apply_filters('FHEE__EED_Single_Page_Checkout__init___continue_reg', true, $this->checkout);
+			// load the reg steps array
+			if ( ! $this->_load_and_instantiate_reg_steps()) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// set the current step
+			$this->checkout->set_current_step($this->checkout->step);
+			// and the next step
+			$this->checkout->set_next_step();
+			// verify that everything has been setup correctly
+			if ( ! ($this->_verify_transaction_and_get_registrations() && $this->_final_verifications())) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// lock the transaction
+			$this->checkout->transaction->lock();
+			// make sure all of our cached objects are added to their respective model entity mappers
+			$this->checkout->refresh_all_entities();
+			// set amount owing
+			$this->checkout->amount_owing = $this->checkout->transaction->remaining();
+			// initialize each reg step, which gives them the chance to potentially alter the process
+			$this->_initialize_reg_steps();
+			// DEBUG LOG
+			//$this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
+			// get reg form
+			if( ! $this->_check_form_submission()) {
+				EED_Single_Page_Checkout::$_initialized = true;
+				return;
+			}
+			// checkout the action!!!
+			$this->_process_form_action();
+			// add some style and make it dance
+			$this->add_styles_and_scripts();
+			// kk... SPCO has successfully run
+			EED_Single_Page_Checkout::$_initialized = true;
+			// set no cache headers and constants
+			EE_System::do_not_cache();
+			// add anchor
+			add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
+			// remove transaction lock
+			add_action('shutdown', array($this, 'unlock_transaction'), 1);
+		} catch (Exception $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+
+	/**
+	 *    _verify_session
+	 * checks that the session is valid and not expired
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 */
+	private function _verify_session()
+	{
+		if ( ! EE_Registry::instance()->SSN instanceof EE_Session) {
+			throw new EE_Error(__('The EE_Session class could not be loaded.', 'event_espresso'));
+		}
+		// is session still valid ?
+		if (EE_Registry::instance()->SSN->expired() && EE_Registry::instance()->REQ->get('e_reg_url_link', '') === '') {
+			$this->checkout = new EE_Checkout();
+			EE_Registry::instance()->SSN->reset_cart();
+			EE_Registry::instance()->SSN->reset_checkout();
+			EE_Registry::instance()->SSN->reset_transaction();
+			EE_Error::add_attention(EE_Registry::$i18n_js_strings['registration_expiration_notice'], __FILE__,
+				__FUNCTION__, __LINE__);
+			EE_Registry::instance()->SSN->reset_expired();
+		}
+	}
+
+
+
+	/**
+	 *    _initialize_checkout
+	 * loads and instantiates EE_Checkout
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return EE_Checkout
+	 */
+	private function _initialize_checkout()
+	{
+		// look in session for existing checkout
+		/** @type EE_Checkout $checkout */
+		$checkout = EE_Registry::instance()->SSN->checkout();
+		// verify
+		if ( ! $checkout instanceof EE_Checkout) {
+			// instantiate EE_Checkout object for handling the properties of the current checkout process
+			$checkout = EE_Registry::instance()->load_file(SPCO_INC_PATH, 'EE_Checkout', 'class', array(), false);
+		} else {
+			if ($checkout->current_step->is_final_step() && $checkout->exit_spco() === true) {
+				$this->unlock_transaction();
+				wp_safe_redirect($checkout->redirect_url);
+				exit();
+			}
+		}
+		$checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize_checkout__checkout', $checkout);
+		// verify again
+		if ( ! $checkout instanceof EE_Checkout) {
+			throw new EE_Error(__('The EE_Checkout class could not be loaded.', 'event_espresso'));
+		}
+		// reset anything that needs a clean slate for each request
+		$checkout->reset_for_current_request();
+		return $checkout;
+	}
+
+
+
+	/**
+	 *    _get_request_vars
+	 *
+	 * @access    private
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	private function _get_request_vars()
+	{
+		// load classes
+		EED_Single_Page_Checkout::load_request_handler();
+		//make sure this request is marked as belonging to EE
+		EE_Registry::instance()->REQ->set_espresso_page(true);
+		// which step is being requested ?
+		$this->checkout->step = EE_Registry::instance()->REQ->get('step', $this->_get_first_step());
+		// which step is being edited ?
+		$this->checkout->edit_step = EE_Registry::instance()->REQ->get('edit_step', '');
+		// and what we're doing on the current step
+		$this->checkout->action = EE_Registry::instance()->REQ->get('action', 'display_spco_reg_step');
+		// timestamp
+		$this->checkout->uts = EE_Registry::instance()->REQ->get('uts', 0);
+		// returning to edit ?
+		$this->checkout->reg_url_link = EE_Registry::instance()->REQ->get('e_reg_url_link', '');
+		// or some other kind of revisit ?
+		$this->checkout->revisit = filter_var(
+			EE_Registry::instance()->REQ->get('revisit', false),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// and whether or not to generate a reg form for this request
+		$this->checkout->generate_reg_form = filter_var(
+			EE_Registry::instance()->REQ->get('generate_reg_form', true),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// and whether or not to process a reg form submission for this request
+		$this->checkout->process_form_submission = filter_var(
+			EE_Registry::instance()->REQ->get(
+				'process_form_submission',
+				$this->checkout->action === 'process_reg_step'
+			),
+			FILTER_VALIDATE_BOOLEAN
+		);
+		$this->checkout->process_form_submission = filter_var(
+			$this->checkout->action !== 'display_spco_reg_step'
+				? $this->checkout->process_form_submission
+				: false,
+			FILTER_VALIDATE_BOOLEAN
+		);
+		// $this->_display_request_vars();
+	}
+
+
+
+	/**
+	 *  _display_request_vars
+	 *
+	 * @access    protected
+	 * @return    void
+	 */
+	protected function _display_request_vars()
+	{
+		if ( ! WP_DEBUG) {
+			return;
+		}
+		EEH_Debug_Tools::printr($_REQUEST, '$_REQUEST', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->step, '$this->checkout->step', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->edit_step, '$this->checkout->edit_step', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->action, '$this->checkout->action', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->reg_url_link, '$this->checkout->reg_url_link', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->revisit, '$this->checkout->revisit', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->generate_reg_form, '$this->checkout->generate_reg_form', __FILE__, __LINE__);
+		EEH_Debug_Tools::printr($this->checkout->process_form_submission, '$this->checkout->process_form_submission', __FILE__, __LINE__);
+	}
+
+
+
+	/**
+	 * _block_bots
+	 * checks that the incoming request has either of the following set:
+	 *  a uts (unix timestamp) which indicates that the request was redirected from the Ticket Selector
+	 *  a REG URL Link, which indicates that the request is a return visit to SPCO for a valid TXN
+	 * so if you're not coming from the Ticket Selector nor returning for a valid IP...
+	 * then where you coming from man?
+	 *
+	 * @return boolean
+	 */
+	private function _block_bots()
+	{
+		$invalid_checkout_access = \EED_Invalid_Checkout_Access::getInvalidCheckoutAccess();
+		if ($invalid_checkout_access->checkoutAccessIsInvalid($this->checkout)) {
+			return true;
+		}
+		return false;
+	}
+
+
+
+	/**
+	 *    _get_first_step
+	 *  gets slug for first step in $_reg_steps_array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    string
+	 */
+	private function _get_first_step()
+	{
+		$first_step = reset(EED_Single_Page_Checkout::$_reg_steps_array);
+		return isset($first_step['slug']) ? $first_step['slug'] : 'attendee_information';
+	}
+
+
+
+	/**
+	 *    _load_and_instantiate_reg_steps
+	 *  instantiates each reg step based on the loaded reg_steps array
+	 *
+	 * @access    private
+	 * @throws EE_Error
+	 * @return    bool
+	 */
+	private function _load_and_instantiate_reg_steps()
+	{
+		// have reg_steps already been instantiated ?
+		if (
+			empty($this->checkout->reg_steps)
+			|| apply_filters('FHEE__Single_Page_Checkout__load_reg_steps__reload_reg_steps', false, $this->checkout)
+		) {
+			// if not, then loop through raw reg steps array
+			foreach (EED_Single_Page_Checkout::$_reg_steps_array as $order => $reg_step) {
+				if ( ! $this->_load_and_instantiate_reg_step($reg_step, $order)) {
+					return false;
+				}
+			}
+			EE_Registry::instance()->CFG->registration->skip_reg_confirmation = true;
+			EE_Registry::instance()->CFG->registration->reg_confirmation_last = true;
+			// skip the registration_confirmation page ?
+			if (EE_Registry::instance()->CFG->registration->skip_reg_confirmation) {
+				// just remove it from the reg steps array
+				$this->checkout->remove_reg_step('registration_confirmation', false);
+			} else if (
+				isset($this->checkout->reg_steps['registration_confirmation'])
+				&& EE_Registry::instance()->CFG->registration->reg_confirmation_last
+			) {
+				// set the order to something big like 100
+				$this->checkout->set_reg_step_order('registration_confirmation', 100);
+			}
+			// filter the array for good luck
+			$this->checkout->reg_steps = apply_filters(
+				'FHEE__Single_Page_Checkout__load_reg_steps__reg_steps',
+				$this->checkout->reg_steps
+			);
+			// finally re-sort based on the reg step class order properties
+			$this->checkout->sort_reg_steps();
+		} else {
+			foreach ($this->checkout->reg_steps as $reg_step) {
+				// set all current step stati to FALSE
+				$reg_step->set_is_current_step(false);
+			}
+		}
+		if (empty($this->checkout->reg_steps)) {
+			EE_Error::add_error(__('No Reg Steps were loaded..', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
+			return false;
+		}
+		// make reg step details available to JS
+		$this->checkout->set_reg_step_JSON_info();
+		return true;
+	}
+
+
+
+	/**
+	 *     _load_and_instantiate_reg_step
+	 *
+	 * @access    private
+	 * @param array $reg_step
+	 * @param int   $order
+	 * @return bool
+	 */
+	private function _load_and_instantiate_reg_step($reg_step = array(), $order = 0)
+	{
+		// we need a file_path, class_name, and slug to add a reg step
+		if (isset($reg_step['file_path'], $reg_step['class_name'], $reg_step['slug'])) {
+			// if editing a specific step, but this is NOT that step... (and it's not the 'finalize_registration' step)
+			if (
+				$this->checkout->reg_url_link
+				&& $this->checkout->step !== $reg_step['slug']
+				&& $reg_step['slug'] !== 'finalize_registration'
+			) {
+				return true;
+			}
+			// instantiate step class using file path and class name
+			$reg_step_obj = EE_Registry::instance()->load_file(
+				$reg_step['file_path'],
+				$reg_step['class_name'],
+				'class',
+				$this->checkout,
+				false
+			);
+			// did we gets the goods ?
+			if ($reg_step_obj instanceof EE_SPCO_Reg_Step) {
+				// set reg step order based on config
+				$reg_step_obj->set_order($order);
+				// add instantiated reg step object to the master reg steps array
+				$this->checkout->add_reg_step($reg_step_obj);
+			} else {
+				EE_Error::add_error(
+					__('The current step could not be set.', 'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+				return false;
+			}
+		} else {
+			if (WP_DEBUG) {
+				EE_Error::add_error(
+					sprintf(
+						__('A registration step could not be loaded. One or more of the following data points is invalid:%4$s%5$sFile Path: %1$s%6$s%5$sClass Name: %2$s%6$s%5$sSlug: %3$s%6$s%7$s', 'event_espresso'),
+						isset($reg_step['file_path']) ? $reg_step['file_path'] : '',
+						isset($reg_step['class_name']) ? $reg_step['class_name'] : '',
+						isset($reg_step['slug']) ? $reg_step['slug'] : '',
+						'<ul>',
+						'<li>',
+						'</li>',
+						'</ul>'
+					),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+			}
+			return false;
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * _verify_transaction_and_get_registrations
+	 *
+	 * @access private
+	 * @return bool
+	 */
+	private function _verify_transaction_and_get_registrations()
+	{
+		// was there already a valid transaction in the checkout from the session ?
+		if ( ! $this->checkout->transaction instanceof EE_Transaction) {
+			// get transaction from db or session
+			$this->checkout->transaction = $this->checkout->reg_url_link && ! is_admin()
+				? $this->_get_transaction_and_cart_for_previous_visit()
+				: $this->_get_cart_for_current_session_and_setup_new_transaction();
+			if ( ! $this->checkout->transaction instanceof EE_Transaction) {
+				EE_Error::add_error(
+					__('Your Registration and Transaction information could not be retrieved from the db.',
+						'event_espresso'),
+					__FILE__, __FUNCTION__, __LINE__
+				);
+				$this->checkout->transaction = EE_Transaction::new_instance();
+				// add some style and make it dance
+				$this->add_styles_and_scripts();
+				EED_Single_Page_Checkout::$_initialized = true;
+				return false;
+			}
+			// and the registrations for the transaction
+			$this->_get_registrations($this->checkout->transaction);
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * _get_transaction_and_cart_for_previous_visit
+	 *
+	 * @access private
+	 * @return mixed EE_Transaction|NULL
+	 */
+	private function _get_transaction_and_cart_for_previous_visit()
+	{
+		/** @var $TXN_model EEM_Transaction */
+		$TXN_model = EE_Registry::instance()->load_model('Transaction');
+		// because the reg_url_link is present in the request, this is a return visit to SPCO, so we'll get the transaction data from the db
+		$transaction = $TXN_model->get_transaction_from_reg_url_link($this->checkout->reg_url_link);
+		// verify transaction
+		if ($transaction instanceof EE_Transaction) {
+			// and get the cart that was used for that transaction
+			$this->checkout->cart = $this->_get_cart_for_transaction($transaction);
+			return $transaction;
+		} else {
+			EE_Error::add_error(__('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
+			return null;
+		}
+	}
+
+
+
+	/**
+	 * _get_cart_for_transaction
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return EE_Cart
+	 */
+	private function _get_cart_for_transaction($transaction)
+	{
+		return $this->checkout->get_cart_for_transaction($transaction);
+	}
+
+
+
+	/**
+	 * get_cart_for_transaction
+	 *
+	 * @access public
+	 * @param EE_Transaction $transaction
+	 * @return EE_Cart
+	 */
+	public function get_cart_for_transaction(EE_Transaction $transaction)
+	{
+		return $this->checkout->get_cart_for_transaction($transaction);
+	}
+
+
+
+	/**
+	 * _get_transaction_and_cart_for_current_session
+	 *    generates a new EE_Transaction object and adds it to the $_transaction property.
+	 *
+	 * @access private
+	 * @return EE_Transaction
+	 * @throws \EE_Error
+	 */
+	private function _get_cart_for_current_session_and_setup_new_transaction()
+	{
+		//  if there's no transaction, then this is the FIRST visit to SPCO
+		// so load up the cart ( passing nothing for the TXN because it doesn't exist yet )
+		$this->checkout->cart = $this->_get_cart_for_transaction(null);
+		// and then create a new transaction
+		$transaction = $this->_initialize_transaction();
+		// verify transaction
+		if ($transaction instanceof EE_Transaction) {
+			// save it so that we have an ID for other objects to use
+			$transaction->save();
+			// and save TXN data to the cart
+			$this->checkout->cart->get_grand_total()->save_this_and_descendants_to_txn($transaction->ID());
+		} else {
+			EE_Error::add_error(__('A Valid Transaction could not be initialized.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
+		}
+		return $transaction;
+	}
+
+
+
+	/**
+	 *    generates a new EE_Transaction object and adds it to the $_transaction property.
+	 *
+	 * @access private
+	 * @return mixed EE_Transaction|NULL
+	 */
+	private function _initialize_transaction()
+	{
+		try {
+			// ensure cart totals have been calculated
+			$this->checkout->cart->get_grand_total()->recalculate_total_including_taxes();
+			// grab the cart grand total
+			$cart_total = $this->checkout->cart->get_cart_grand_total();
+			// create new TXN
+			$transaction = EE_Transaction::new_instance(
+				array(
+					'TXN_reg_steps' => $this->checkout->initialize_txn_reg_steps_array(),
+					'TXN_total'     => $cart_total > 0 ? $cart_total : 0,
+					'TXN_paid'      => 0,
+					'STS_ID'        => EEM_Transaction::failed_status_code,
+				)
+			);
+			// save it so that we have an ID for other objects to use
+			$transaction->save();
+			// set cron job for following up on TXNs after their session has expired
+			EE_Cron_Tasks::schedule_expired_transaction_check(
+				EE_Registry::instance()->SSN->expiration() + 1,
+				$transaction->ID()
+			);
+			return $transaction;
+		} catch (Exception $e) {
+			EE_Error::add_error($e->getMessage(), __FILE__, __FUNCTION__, __LINE__);
+		}
+		return null;
+	}
+
+
+
+	/**
+	 * _get_registrations
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws \EventEspresso\core\exceptions\InvalidEntityException
+	 * @throws \EE_Error
+	 */
+	private function _get_registrations(EE_Transaction $transaction)
+	{
+		// first step: grab the registrants  { : o
+		$registrations = $transaction->registrations($this->checkout->reg_cache_where_params, true);
+		// verify registrations have been set
+		if (empty($registrations)) {
+			// if no cached registrations, then check the db
+			$registrations = $transaction->registrations($this->checkout->reg_cache_where_params, false);
+			// still nothing ? well as long as this isn't a revisit
+			if (empty($registrations) && ! $this->checkout->revisit) {
+				// generate new registrations from scratch
+				$registrations = $this->_initialize_registrations($transaction);
+			}
+		}
+		// sort by their original registration order
+		usort($registrations, array('EED_Single_Page_Checkout', 'sort_registrations_by_REG_count'));
+		// then loop thru the array
+		foreach ($registrations as $registration) {
+			// verify each registration
+			if ($registration instanceof EE_Registration) {
+				// we display all attendee info for the primary registrant
+				if ($this->checkout->reg_url_link === $registration->reg_url_link()
+					&& $registration->is_primary_registrant()
+				) {
+					$this->checkout->primary_revisit = true;
+					break;
+				} else if ($this->checkout->revisit
+						   && $this->checkout->reg_url_link !== $registration->reg_url_link()
+				) {
+					// but hide info if it doesn't belong to you
+					$transaction->clear_cache('Registration', $registration->ID());
+				}
+				$this->checkout->set_reg_status_updated($registration->ID(), false);
+			}
+		}
+	}
+
+
+
+	/**
+	 *    adds related EE_Registration objects for each ticket in the cart to the current EE_Transaction object
+	 *
+	 * @access private
+	 * @param EE_Transaction $transaction
+	 * @return    array
+	 * @throws \EventEspresso\core\exceptions\InvalidEntityException
+	 * @throws \EE_Error
+	 */
+	private function _initialize_registrations(EE_Transaction $transaction)
+	{
+		$att_nmbr = 0;
+		$registrations = array();
+		if ($transaction instanceof EE_Transaction) {
+			/** @type EE_Registration_Processor $registration_processor */
+			$registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
+			$this->checkout->total_ticket_count = $this->checkout->cart->all_ticket_quantity_count();
+			// now let's add the cart items to the $transaction
+			foreach ($this->checkout->cart->get_tickets() as $line_item) {
+				//do the following for each ticket of this type they selected
+				for ($x = 1; $x <= $line_item->quantity(); $x++) {
+					$att_nmbr++;
+					/** @var EventEspresso\core\services\commands\registration\CreateRegistrationCommand $CreateRegistrationCommand */
+					$CreateRegistrationCommand = EE_Registry::instance()
+															->create(
+																'EventEspresso\core\services\commands\registration\CreateRegistrationCommand',
+																array(
+																	$transaction,
+																	$line_item,
+																	$att_nmbr,
+																	$this->checkout->total_ticket_count,
+																)
+															);
+					// override capabilities for frontend registrations
+					if ( ! is_admin()) {
+						$CreateRegistrationCommand->setCapCheck(
+							new PublicCapabilities('', 'create_new_registration')
+						);
+					}
+					$registration = EE_Registry::instance()->BUS->execute($CreateRegistrationCommand);
+					if ( ! $registration instanceof EE_Registration) {
+						throw new InvalidEntityException($registration, 'EE_Registration');
+					}
+					$registrations[ $registration->ID() ] = $registration;
+				}
+			}
+			$registration_processor->fix_reg_final_price_rounding_issue($transaction);
+		}
+		return $registrations;
+	}
+
+
+
+	/**
+	 * sorts registrations by REG_count
+	 *
+	 * @access public
+	 * @param EE_Registration $reg_A
+	 * @param EE_Registration $reg_B
+	 * @return int
+	 */
+	public static function sort_registrations_by_REG_count(EE_Registration $reg_A, EE_Registration $reg_B)
+	{
+		// this shouldn't ever happen within the same TXN, but oh well
+		if ($reg_A->count() === $reg_B->count()) {
+			return 0;
+		}
+		return ($reg_A->count() > $reg_B->count()) ? 1 : -1;
+	}
+
+
+
+	/**
+	 *    _final_verifications
+	 * just makes sure that everything is set up correctly before proceeding
+	 *
+	 * @access    private
+	 * @return    bool
+	 * @throws \EE_Error
+	 */
+	private function _final_verifications()
+	{
+		// filter checkout
+		$this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___final_verifications__checkout', $this->checkout);
+		//verify that current step is still set correctly
+		if ( ! $this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
+			EE_Error::add_error(
+				__('We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		// if returning to SPCO, then verify that primary registrant is set
+		if ( ! empty($this->checkout->reg_url_link)) {
+			$valid_registrant = $this->checkout->transaction->primary_registration();
+			if ( ! $valid_registrant instanceof EE_Registration) {
+				EE_Error::add_error(
+					__('We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+			$valid_registrant = null;
+			foreach ($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration) {
+				if (
+					$registration instanceof EE_Registration
+					&& $registration->reg_url_link() === $this->checkout->reg_url_link
+				) {
+					$valid_registrant = $registration;
+				}
+			}
+			if ( ! $valid_registrant instanceof EE_Registration) {
+				// hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
+				if (EED_Single_Page_Checkout::$_checkout_verified) {
+					// clear the session, mark the checkout as unverified, and try again
+					EE_Registry::instance()->SSN->clear_session();
+					EED_Single_Page_Checkout::$_initialized = false;
+					EED_Single_Page_Checkout::$_checkout_verified = false;
+					$this->_initialize();
+					EE_Error::reset_notices();
+					return false;
+				}
+				EE_Error::add_error(
+					__('We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.', 'event_espresso'),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		}
+		// now that things have been kinda sufficiently verified,
+		// let's add the checkout to the session so that's available other systems
+		EE_Registry::instance()->SSN->set_checkout($this->checkout);
+		return true;
+	}
+
+
+
+	/**
+	 *    _initialize_reg_steps
+	 * first makes sure that EE_Transaction_Processor::set_reg_step_initiated() is called as required
+	 * then loops thru all of the active reg steps and calls the initialize_reg_step() method
+	 *
+	 * @access    private
+	 * @param bool $reinitializing
+	 * @throws \EE_Error
+	 */
+	private function _initialize_reg_steps($reinitializing = false)
+	{
+		$this->checkout->set_reg_step_initiated($this->checkout->current_step);
+		// loop thru all steps to call their individual "initialize" methods and set i18n strings for JS
+		foreach ($this->checkout->reg_steps as $reg_step) {
+			if ( ! $reg_step->initialize_reg_step()) {
+				// if not initialized then maybe this step is being removed...
+				if ( ! $reinitializing && $reg_step->is_current_step()) {
+					// if it was the current step, then we need to start over here
+					$this->_initialize_reg_steps(true);
+					return;
+				}
+				continue;
+			}
+			// add css and JS for current step
+			$reg_step->enqueue_styles_and_scripts();
+			// i18n
+			$reg_step->translate_js_strings();
+			if ($reg_step->is_current_step()) {
+				// the text that appears on the reg step form submit button
+				$reg_step->set_submit_button_text();
+			}
+		}
+		// dynamically creates hook point like: AHEE__Single_Page_Checkout___initialize_reg_step__attendee_information
+		do_action("AHEE__Single_Page_Checkout___initialize_reg_step__{$this->checkout->current_step->slug()}", $this->checkout->current_step);
+	}
+
+
+
+	/**
+	 * _check_form_submission
+	 *
+	 * @access private
+	 * @return boolean
+	 */
+	private function _check_form_submission()
+	{
+		//does this request require the reg form to be generated ?
+		if ($this->checkout->generate_reg_form) {
+			// ever heard that song by Blue Rodeo ?
+			try {
+				$this->checkout->current_step->reg_form = $this->checkout->current_step->generate_reg_form();
+				// if not displaying a form, then check for form submission
+				if (
+					$this->checkout->process_form_submission
+					&& $this->checkout->current_step->reg_form->was_submitted()
+				) {
+					// clear out any old data in case this step is being run again
+					$this->checkout->current_step->set_valid_data(array());
+					// capture submitted form data
+					$this->checkout->current_step->reg_form->receive_form_submission(
+						apply_filters('FHEE__Single_Page_Checkout___check_form_submission__request_params', EE_Registry::instance()->REQ->params(), $this->checkout)
+					);
+					// validate submitted form data
+					if ( ! $this->checkout->continue_reg || ! $this->checkout->current_step->reg_form->is_valid()) {
+						// thou shall not pass !!!
+						$this->checkout->continue_reg = false;
+						// any form validation errors?
+						if ($this->checkout->current_step->reg_form->submission_error_message() !== '') {
+							$submission_error_messages = array();
+							// bad, bad, bad registrant
+							foreach ($this->checkout->current_step->reg_form->get_validation_errors_accumulated() as $validation_error) {
+								if ($validation_error instanceof EE_Validation_Error) {
+									$submission_error_messages[] = sprintf(
+										__('%s : %s', 'event_espresso'),
+										$validation_error->get_form_section()->html_label_text(),
+										$validation_error->getMessage()
+									);
+								}
+							}
+							EE_Error::add_error(implode('<br />', $submission_error_messages), __FILE__, __FUNCTION__, __LINE__);
+						}
+						// well not really... what will happen is we'll just get redirected back to redo the current step
+						$this->go_to_next_step();
+						return false;
+					}
+				}
+			} catch (EE_Error $e) {
+				$e->get_error();
+			}
+		}
+		return true;
+	}
+
+
+
+	/**
+	 * _process_action
+	 *
+	 * @access private
+	 * @return void
+	 * @throws \EE_Error
+	 */
+	private function _process_form_action()
+	{
+		// what cha wanna do?
+		switch ($this->checkout->action) {
+			// AJAX next step reg form
+			case 'display_spco_reg_step' :
+				$this->checkout->redirect = false;
+				if (EE_Registry::instance()->REQ->ajax) {
+					$this->checkout->json_response->set_reg_step_html($this->checkout->current_step->display_reg_form());
+				}
+				break;
+			default :
+				// meh... do one of those other steps first
+				if ( ! empty($this->checkout->action) && is_callable(array($this->checkout->current_step, $this->checkout->action))) {
+					// dynamically creates hook point like: AHEE__Single_Page_Checkout__before_attendee_information__process_reg_step
+					do_action("AHEE__Single_Page_Checkout__before_{$this->checkout->current_step->slug()}__{$this->checkout->action}", $this->checkout->current_step);
+					// call action on current step
+					if (call_user_func(array($this->checkout->current_step, $this->checkout->action))) {
+						// good registrant, you get to proceed
+						if (
+							$this->checkout->current_step->success_message() !== ''
+							&& apply_filters(
+								'FHEE__Single_Page_Checkout___process_form_action__display_success',
+								false
+							)
+						) {
+							EE_Error::add_success(
+								$this->checkout->current_step->success_message()
+								. '<br />' . $this->checkout->next_step->_instructions()
+							);
+						}
+						// pack it up, pack it in...
+						$this->_setup_redirect();
+					}
+					// dynamically creates hook point like: AHEE__Single_Page_Checkout__after_payment_options__process_reg_step
+					do_action("AHEE__Single_Page_Checkout__after_{$this->checkout->current_step->slug()}__{$this->checkout->action}", $this->checkout->current_step);
+				} else {
+					EE_Error::add_error(
+						sprintf(
+							__('The requested form action "%s" does not exist for the current "%s" registration step.', 'event_espresso'),
+							$this->checkout->action,
+							$this->checkout->current_step->name()
+						),
+						__FILE__,
+						__FUNCTION__,
+						__LINE__
+					);
+				}
+			// end default
+		}
+		// store our progress so far
+		$this->checkout->stash_transaction_and_checkout();
+		// advance to the next step! If you pass GO, collect $200
+		$this->go_to_next_step();
+	}
+
+
+
+	/**
+	 *        add_styles_and_scripts
+	 *
+	 * @access        public
+	 * @return        void
+	 */
+	public function add_styles_and_scripts()
+	{
+		// i18n
+		$this->translate_js_strings();
+		if ($this->checkout->admin_request) {
+			add_action('admin_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
+		} else {
+			add_action('wp_enqueue_scripts', array($this, 'enqueue_styles_and_scripts'), 10);
+		}
+	}
+
+
+
+	/**
+	 *        translate_js_strings
+	 *
+	 * @access        public
+	 * @return        void
+	 */
+	public function translate_js_strings()
+	{
+		EE_Registry::$i18n_js_strings['revisit'] = $this->checkout->revisit;
+		EE_Registry::$i18n_js_strings['e_reg_url_link'] = $this->checkout->reg_url_link;
+		EE_Registry::$i18n_js_strings['server_error'] = __('An unknown error occurred on the server while attempting to process your request. Please refresh the page and try again or contact support.', 'event_espresso');
+		EE_Registry::$i18n_js_strings['invalid_json_response'] = __('An invalid response was returned from the server while attempting to process your request. Please refresh the page and try again or contact support.', 'event_espresso');
+		EE_Registry::$i18n_js_strings['validation_error'] = __('There appears to be a problem with the form validation configuration! Please check the admin settings or contact support.', 'event_espresso');
+		EE_Registry::$i18n_js_strings['invalid_payment_method'] = __('There appears to be a problem with the payment method configuration! Please refresh the page and try again or contact support.', 'event_espresso');
+		EE_Registry::$i18n_js_strings['reg_step_error'] = __('This registration step could not be completed. Please refresh the page and try again.', 'event_espresso');
+		EE_Registry::$i18n_js_strings['invalid_coupon'] = __('We\'re sorry but that coupon code does not appear to be valid. If this is incorrect, please contact the site administrator.', 'event_espresso');
+		EE_Registry::$i18n_js_strings['process_registration'] = sprintf(
+			__('Please wait while we process your registration.%sDo not refresh the page or navigate away while this is happening.%sThank you for your patience.', 'event_espresso'),
+			'<br/>',
+			'<br/>'
+		);
+		EE_Registry::$i18n_js_strings['language'] = get_bloginfo('language');
+		EE_Registry::$i18n_js_strings['EESID'] = EE_Registry::instance()->SSN->id();
+		EE_Registry::$i18n_js_strings['currency'] = EE_Registry::instance()->CFG->currency;
+		EE_Registry::$i18n_js_strings['datepicker_yearRange'] = '-150:+20';
+		EE_Registry::$i18n_js_strings['timer_years'] = __('years', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_months'] = __('months', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_weeks'] = __('weeks', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_days'] = __('days', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hours'] = __('hours', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minutes'] = __('minutes', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_seconds'] = __('seconds', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_year'] = __('year', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_month'] = __('month', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_week'] = __('week', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_day'] = __('day', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_hour'] = __('hour', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_minute'] = __('minute', 'event_espresso');
+		EE_Registry::$i18n_js_strings['timer_second'] = __('second', 'event_espresso');
+		EE_Registry::$i18n_js_strings['registration_expiration_notice'] = sprintf(
+			__(
+				'%1$sWe\'re sorry, but your registration time has expired.%2$s%3$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please except our apologies for any inconvenience this may have caused.%8$s',
+				'event_espresso'
+			),
+			'<h4 class="important-notice">',
+			'</h4>',
+			'<br />',
+			'<p>',
+			'<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+			'">',
+			'</a>',
+			'</p>'
+		);
+		EE_Registry::$i18n_js_strings['ajax_submit'] = apply_filters('FHEE__Single_Page_Checkout__translate_js_strings__ajax_submit', true);
+		EE_Registry::$i18n_js_strings['session_extension'] = absint(
+			apply_filters('FHEE__EE_Session__extend_expiration__seconds_added', 10 * MINUTE_IN_SECONDS)
+		);
+		EE_Registry::$i18n_js_strings['session_expiration'] = gmdate(
+			'M d, Y H:i:s', EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)
+		);
+	}
+
+
+
+	/**
+	 *    enqueue_styles_and_scripts
+	 *
+	 * @access        public
+	 * @return        void
+	 * @throws \EE_Error
+	 */
+	public function enqueue_styles_and_scripts()
+	{
+		// load css
+		wp_register_style('single_page_checkout', SPCO_CSS_URL . 'single_page_checkout.css', array(), EVENT_ESPRESSO_VERSION);
+		wp_enqueue_style('single_page_checkout');
+		// load JS
+		wp_register_script('jquery_plugin', EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js', array('jquery'), '1.0.1', true);
+		wp_register_script('jquery_countdown', EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js', array('jquery_plugin'), '2.0.2', true);
+		wp_register_script('single_page_checkout', SPCO_JS_URL . 'single_page_checkout.js', array('espresso_core', 'underscore', 'ee_form_section_validation', 'jquery_countdown'), EVENT_ESPRESSO_VERSION, true);
+		if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
+			$this->checkout->registration_form->enqueue_js();
+		}
+		if ($this->checkout->current_step->reg_form instanceof EE_Form_Section_Proper) {
+			$this->checkout->current_step->reg_form->enqueue_js();
+		}
+		wp_enqueue_script('single_page_checkout');
+		/**
+		 * global action hook for enqueueing styles and scripts with
+		 * spco calls.
+		 */
+		do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts', $this);
+		/**
+		 * dynamic action hook for enqueueing styles and scripts with spco calls.
+		 * The hook will end up being something like AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
+		 */
+		do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(), $this);
+	}
+
+
+
+	/**
+	 *    display the Registration Single Page Checkout Form
+	 *
+	 * @access    private
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	private function _display_spco_reg_form()
+	{
+		// if registering via the admin, just display the reg form for the current step
+		if ($this->checkout->admin_request) {
+			EE_Registry::instance()->REQ->add_output($this->checkout->current_step->display_reg_form());
+		} else {
+			// add powered by EE msg
+			add_action('AHEE__SPCO__reg_form_footer', array('EED_Single_Page_Checkout', 'display_registration_footer'));
+			$empty_cart = count($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params)) < 1
+				? true
+				: false;
+			EE_Registry::$i18n_js_strings['empty_cart'] = $empty_cart;
+			$cookies_not_set_msg = '';
+			if ($empty_cart && ! isset($_COOKIE['ee_cookie_test'])) {
+				$cookies_not_set_msg = apply_filters(
+					'FHEE__Single_Page_Checkout__display_spco_reg_form__cookies_not_set_msg',
+					sprintf(
+						__(
+							'%1$s%3$sIt appears your browser is not currently set to accept Cookies%4$s%5$sIn order to register for events, you need to enable cookies.%7$sIf you require assistance, then click the following link to learn how to %8$senable cookies%9$s%6$s%2$s',
+							'event_espresso'
+						),
+						'<div class="ee-attention">',
+						'</div>',
+						'<h6 class="important-notice">',
+						'</h6>',
+						'<p>',
+						'</p>',
+						'<br />',
+						'<a href="http://www.whatarecookies.com/enable.asp" target="_blank">',
+						'</a>'
+					)
+				);
+			}
+			$this->checkout->registration_form = new EE_Form_Section_Proper(
+				array(
+					'name'            => 'single-page-checkout',
+					'html_id'         => 'ee-single-page-checkout-dv',
+					'layout_strategy' =>
+						new EE_Template_Layout(
+							array(
+								'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
+								'template_args'        => array(
+									'empty_cart'              => $empty_cart,
+									'revisit'                 => $this->checkout->revisit,
+									'reg_steps'               => $this->checkout->reg_steps,
+									'next_step'               => $this->checkout->next_step instanceof EE_SPCO_Reg_Step
+										? $this->checkout->next_step->slug()
+										: '',
+									'cancel_page_url'         => $this->checkout->cancel_page_url,
+									'empty_msg'               => apply_filters(
+										'FHEE__Single_Page_Checkout__display_spco_reg_form__empty_msg',
+										sprintf(
+											__('You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
+												'event_espresso'),
+											'<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+											'">',
+											'</a>'
+										)
+									),
+									'cookies_not_set_msg'     => $cookies_not_set_msg,
+									'registration_time_limit' => $this->checkout->get_registration_time_limit(),
+									'session_expiration'      =>
+										date('M d, Y H:i:s', EE_Registry::instance()->SSN->expiration() + (get_option('gmt_offset') * HOUR_IN_SECONDS)),
+								),
+							)
+						),
+				)
+			);
+			// load template and add to output sent that gets filtered into the_content()
+			EE_Registry::instance()->REQ->add_output($this->checkout->registration_form->get_html());
+		}
+	}
+
+
+
+	/**
+	 *    add_extra_finalize_registration_inputs
+	 *
+	 * @access    public
+	 * @param $next_step
+	 * @internal  param string $label
+	 * @return void
+	 */
+	public function add_extra_finalize_registration_inputs($next_step)
+	{
+		if ($next_step === 'finalize_registration') {
+			echo '<div id="spco-extra-finalize_registration-inputs-dv"></div>';
+		}
+	}
+
+
+
+	/**
+	 *    display_registration_footer
+	 *
+	 * @access    public
+	 * @return    string
+	 */
+	public static function display_registration_footer()
+	{
+		if (
+		apply_filters(
+			'FHEE__EE_Front__Controller__show_reg_footer',
+			EE_Registry::instance()->CFG->admin->show_reg_footer
+		)
+		) {
+			add_filter(
+				'FHEE__EEH_Template__powered_by_event_espresso__url',
+				function ($url) {
+					return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
+				}
+			);
+			echo apply_filters(
+				'FHEE__EE_Front_Controller__display_registration_footer',
+				\EEH_Template::powered_by_event_espresso(
+					'',
+					'espresso-registration-footer-dv',
+					array('utm_content' => 'registration_checkout')
+				)
+			);
+		}
+		return '';
+	}
+
+
+
+	/**
+	 *    unlock_transaction
+	 *
+	 * @access    public
+	 * @return    void
+	 * @throws \EE_Error
+	 */
+	public function unlock_transaction()
+	{
+		if ($this->checkout->transaction instanceof EE_Transaction) {
+			$this->checkout->transaction->unlock();
+		}
+	}
+
+
+
+	/**
+	 *        _setup_redirect
+	 *
+	 * @access    private
+	 * @return void
+	 */
+	private function _setup_redirect()
+	{
+		if ($this->checkout->continue_reg && $this->checkout->next_step instanceof EE_SPCO_Reg_Step) {
+			$this->checkout->redirect = true;
+			if (empty($this->checkout->redirect_url)) {
+				$this->checkout->redirect_url = $this->checkout->next_step->reg_step_url();
+			}
+			$this->checkout->redirect_url = apply_filters(
+				'FHEE__EED_Single_Page_Checkout___setup_redirect__checkout_redirect_url',
+				$this->checkout->redirect_url,
+				$this->checkout
+			);
+		}
+	}
+
+
+
+	/**
+	 *   handle ajax message responses and redirects
+	 *
+	 * @access public
+	 * @return void
+	 * @throws \EE_Error
+	 */
+	public function go_to_next_step()
+	{
+		if (EE_Registry::instance()->REQ->ajax) {
+			// capture contents of output buffer we started earlier in the request, and insert into JSON response
+			$this->checkout->json_response->set_unexpected_errors(ob_get_clean());
+		}
+		$this->unlock_transaction();
+		// just return for these conditions
+		if (
+			$this->checkout->admin_request
+			|| $this->checkout->action === 'redirect_form'
+			|| $this->checkout->action === 'update_checkout'
+		) {
+			return;
+		}
+		// AJAX response
+		$this->_handle_json_response();
+		// redirect to next step or the Thank You page
+		$this->_handle_html_redirects();
+		// hmmm... must be something wrong, so let's just display the form again !
+		$this->_display_spco_reg_form();
+	}
+
+
+
+	/**
+	 *   _handle_json_response
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _handle_json_response()
+	{
+		// if this is an ajax request
+		if (EE_Registry::instance()->REQ->ajax) {
+			// DEBUG LOG
+			//$this->checkout->log(
+			//	__CLASS__, __FUNCTION__, __LINE__,
+			//	array(
+			//		'json_response_redirect_url' => $this->checkout->json_response->redirect_url(),
+			//		'redirect'                   => $this->checkout->redirect,
+			//		'continue_reg'               => $this->checkout->continue_reg,
+			//	)
+			//);
+			$this->checkout->json_response->set_registration_time_limit(
+				$this->checkout->get_registration_time_limit()
+			);
+			$this->checkout->json_response->set_payment_amount($this->checkout->amount_owing);
+			// just send the ajax (
+			$json_response = apply_filters(
+				'FHEE__EE_Single_Page_Checkout__JSON_response',
+				$this->checkout->json_response
+			);
+			echo $json_response;
+			exit();
+		}
+	}
+
+
+
+	/**
+	 *   _handle_redirects
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function _handle_html_redirects()
+	{
+		// going somewhere ?
+		if ($this->checkout->redirect && ! empty($this->checkout->redirect_url)) {
+			// store notices in a transient
+			EE_Error::get_notices(false, true, true);
+			// DEBUG LOG
+			//$this->checkout->log(
+			//	__CLASS__, __FUNCTION__, __LINE__,
+			//	array(
+			//		'headers_sent' => headers_sent(),
+			//		'redirect_url'     => $this->checkout->redirect_url,
+			//		'headers_list'    => headers_list(),
+			//	)
+			//);
+			wp_safe_redirect($this->checkout->redirect_url);
+			exit();
+		}
+	}
+
+
+
+	/**
+	 *   set_checkout_anchor
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function set_checkout_anchor()
+	{
+		echo '<a id="checkout" style="float: left; margin-left: -999em;"></a>';
+	}
 
 
 

Spacing +25 added lines, -25 removed lines

@@ -216,13 +216,13 @@ 
      */
     public static function set_definitions()
     {
-        define('SPCO_BASE_PATH', rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS) . DS);
-        define('SPCO_CSS_URL', plugin_dir_url(__FILE__) . 'css' . DS);
-        define('SPCO_IMG_URL', plugin_dir_url(__FILE__) . 'img' . DS);
-        define('SPCO_JS_URL', plugin_dir_url(__FILE__) . 'js' . DS);
-        define('SPCO_INC_PATH', SPCO_BASE_PATH . 'inc' . DS);
-        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH . 'reg_steps' . DS);
-        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH . 'templates' . DS);
+        define('SPCO_BASE_PATH', rtrim(str_replace(array('\\', '/'), DS, plugin_dir_path(__FILE__)), DS).DS);
+        define('SPCO_CSS_URL', plugin_dir_url(__FILE__).'css'.DS);
+        define('SPCO_IMG_URL', plugin_dir_url(__FILE__).'img'.DS);
+        define('SPCO_JS_URL', plugin_dir_url(__FILE__).'js'.DS);
+        define('SPCO_INC_PATH', SPCO_BASE_PATH.'inc'.DS);
+        define('SPCO_REG_STEPS_PATH', SPCO_BASE_PATH.'reg_steps'.DS);
+        define('SPCO_TEMPLATES_PATH', SPCO_BASE_PATH.'templates'.DS);
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(SPCO_BASE_PATH, true);
         EE_Registry::$i18n_js_strings['registration_expiration_notice'] = sprintf(
             __('%1$sWe\'re sorry, but you\'re registration time has expired.%2$s%4$sIf you still wish to complete your registration, please return to the %5$sEvent List%6$sEvent List%7$s and reselect your tickets if available. Please except our apologies for any inconvenience this may have caused.%8$s',
@@ -231,7 +231,7 @@ 
             '</h4>',
             '<br />',
             '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+            '<a href="'.get_post_type_archive_link('espresso_events').'" title="',
             '">',
             '</a>',
             '</p>'
@@ -255,7 +255,7 @@ 
             return;
         }
         // filter list of reg_steps
-        $reg_steps_to_load = (array)apply_filters(
+        $reg_steps_to_load = (array) apply_filters(
             'AHEE__SPCO__load_reg_steps__reg_steps_to_load',
             EED_Single_Page_Checkout::get_reg_steps()
         );
@@ -299,25 +299,25 @@ 
         if (empty($reg_steps)) {
             $reg_steps = array(
                 10  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'attendee_information',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'attendee_information',
                     'class_name' => 'EE_SPCO_Reg_Step_Attendee_Information',
                     'slug'       => 'attendee_information',
                     'has_hooks'  => false,
                 ),
                 20  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'registration_confirmation',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'registration_confirmation',
                     'class_name' => 'EE_SPCO_Reg_Step_Registration_Confirmation',
                     'slug'       => 'registration_confirmation',
                     'has_hooks'  => false,
                 ),
                 30  => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'payment_options',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'payment_options',
                     'class_name' => 'EE_SPCO_Reg_Step_Payment_Options',
                     'slug'       => 'payment_options',
                     'has_hooks'  => true,
                 ),
                 999 => array(
-                    'file_path'  => SPCO_REG_STEPS_PATH . 'finalize_registration',
+                    'file_path'  => SPCO_REG_STEPS_PATH.'finalize_registration',
                     'class_name' => 'EE_SPCO_Reg_Step_Finalize_Registration',
                     'slug'       => 'finalize_registration',
                     'has_hooks'  => false,
@@ -499,7 +499,7 @@ 
             // DEBUG LOG
             //$this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
             // get reg form
-            if( ! $this->_check_form_submission()) {
+            if ( ! $this->_check_form_submission()) {
                 EED_Single_Page_Checkout::$_initialized = true;
                 return;
             }
@@ -1063,7 +1063,7 @@ 
                     if ( ! $registration instanceof EE_Registration) {
                         throw new InvalidEntityException($registration, 'EE_Registration');
                     }
-                    $registrations[ $registration->ID() ] = $registration;
+                    $registrations[$registration->ID()] = $registration;
                 }
             }
             $registration_processor->fix_reg_final_price_rounding_issue($transaction);
@@ -1293,7 +1293,7 @@ 
                         ) {
                             EE_Error::add_success(
                                 $this->checkout->current_step->success_message()
-                                . '<br />' . $this->checkout->next_step->_instructions()
+                                . '<br />'.$this->checkout->next_step->_instructions()
                             );
                         }
                         // pack it up, pack it in...
@@ -1390,7 +1390,7 @@ 
             '</h4>',
             '<br />',
             '<p>',
-            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+            '<a href="'.get_post_type_archive_link('espresso_events').'" title="',
             '">',
             '</a>',
             '</p>'
@@ -1416,12 +1416,12 @@ 
     public function enqueue_styles_and_scripts()
     {
         // load css
-        wp_register_style('single_page_checkout', SPCO_CSS_URL . 'single_page_checkout.css', array(), EVENT_ESPRESSO_VERSION);
+        wp_register_style('single_page_checkout', SPCO_CSS_URL.'single_page_checkout.css', array(), EVENT_ESPRESSO_VERSION);
         wp_enqueue_style('single_page_checkout');
         // load JS
-        wp_register_script('jquery_plugin', EE_THIRD_PARTY_URL . 'jquery	.plugin.min.js', array('jquery'), '1.0.1', true);
-        wp_register_script('jquery_countdown', EE_THIRD_PARTY_URL . 'jquery	.countdown.min.js', array('jquery_plugin'), '2.0.2', true);
-        wp_register_script('single_page_checkout', SPCO_JS_URL . 'single_page_checkout.js', array('espresso_core', 'underscore', 'ee_form_section_validation', 'jquery_countdown'), EVENT_ESPRESSO_VERSION, true);
+        wp_register_script('jquery_plugin', EE_THIRD_PARTY_URL.'jquery	.plugin.min.js', array('jquery'), '1.0.1', true);
+        wp_register_script('jquery_countdown', EE_THIRD_PARTY_URL.'jquery	.countdown.min.js', array('jquery_plugin'), '2.0.2', true);
+        wp_register_script('single_page_checkout', SPCO_JS_URL.'single_page_checkout.js', array('espresso_core', 'underscore', 'ee_form_section_validation', 'jquery_countdown'), EVENT_ESPRESSO_VERSION, true);
         if ($this->checkout->registration_form instanceof EE_Form_Section_Proper) {
             $this->checkout->registration_form->enqueue_js();
         }
@@ -1438,7 +1438,7 @@ 
          * dynamic action hook for enqueueing styles and scripts with spco calls.
          * The hook will end up being something like AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__attendee_information
          */
-        do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__' . $this->checkout->current_step->slug(), $this);
+        do_action('AHEE__EED_Single_Page_Checkout__enqueue_styles_and_scripts__'.$this->checkout->current_step->slug(), $this);
     }
 
 
@@ -1490,7 +1490,7 @@ 
                     'layout_strategy' =>
                         new EE_Template_Layout(
                             array(
-                                'layout_template_file' => SPCO_TEMPLATES_PATH . 'registration_page_wrapper.template.php',
+                                'layout_template_file' => SPCO_TEMPLATES_PATH.'registration_page_wrapper.template.php',
                                 'template_args'        => array(
                                     'empty_cart'              => $empty_cart,
                                     'revisit'                 => $this->checkout->revisit,
@@ -1504,7 +1504,7 @@ 
                                         sprintf(
                                             __('You need to %1$sReturn to Events list%2$sselect at least one event%3$s before you can proceed with the registration process.',
                                                 'event_espresso'),
-                                            '<a href="' . get_post_type_archive_link('espresso_events') . '" title="',
+                                            '<a href="'.get_post_type_archive_link('espresso_events').'" title="',
                                             '">',
                                             '</a>'
                                         )
@@ -1558,7 +1558,7 @@ 
         ) {
             add_filter(
                 'FHEE__EEH_Template__powered_by_event_espresso__url',
-                function ($url) {
+                function($url) {
                     return apply_filters('FHEE__EE_Front_Controller__registration_footer__url', $url);
                 }
             );

modules/single_page_checkout/reg_steps/attendee_information/attendee_info_main.template.php

Spacing +15 added lines, -15 removed lines

@@ -4,7 +4,7 @@ 
 /** @var string $default_hidden_inputs */
 ?>
 	<p id="spco-attendee_information-pg" class="spco-steps-pg small-text drk-grey-text">
-		<?php echo apply_filters( 'FHEE__registration_page_attendee_information__attendee_information_pg', sprintf( __('In order to process your registration, we ask you to provide the following information.%1$sPlease note that all fields marked with an asterisk (%2$s) are required.', 'event_espresso'), '<br />', '<span class="asterisk">*</span>' )); ?>
+		<?php echo apply_filters('FHEE__registration_page_attendee_information__attendee_information_pg', sprintf(__('In order to process your registration, we ask you to provide the following information.%1$sPlease note that all fields marked with an asterisk (%2$s) are required.', 'event_espresso'), '<br />', '<span class="asterisk">*</span>')); ?>
 	</p>
 
 <?php
@@ -12,34 +12,34 @@ 
 $prev_event = 0;
 $prev_ticket = 0;
 
-if ( count( $registrations ) > 0 ) {
-	foreach ( $registrations as $registration ) {
-		if ( $registration instanceof EE_Registration ) {
+if (count($registrations) > 0) {
+	foreach ($registrations as $registration) {
+		if ($registration instanceof EE_Registration) {
 			$att_nmbr++;
 ?>
 
-		<div id="spco-attendee-panel-dv-<?php echo $registration->reg_url_link();?>" class="spco-attendee-panel-dv spco-attendee-ticket-<?php echo $registration->ticket()->ID();?>">
+		<div id="spco-attendee-panel-dv-<?php echo $registration->reg_url_link(); ?>" class="spco-attendee-panel-dv spco-attendee-ticket-<?php echo $registration->ticket()->ID(); ?>">
 
-			<?php if ( $registration->event()->ID() !== $prev_event ) { ?>
+			<?php if ($registration->event()->ID() !== $prev_event) { ?>
 			<h4 id="event_title-<?php echo $registration->event()->ID() ?>" class="big-event-title-hdr">
 				<?php echo $registration->event()->name(); ?>
 			</h4>
 			<?php } ?>
-			<?php if ( $registration->ticket()->ID() !== $prev_ticket ) { ?>
-				<?php if ( ! $revisit ) { ?>
+			<?php if ($registration->ticket()->ID() !== $prev_ticket) { ?>
+				<?php if ( ! $revisit) { ?>
 			<div class="spco-ticket-info-dv small-text">
-				<h5><?php _e('Details', 'event_espresso');?></h5>
+				<h5><?php _e('Details', 'event_espresso'); ?></h5>
 				<table>
 					<thead>
 						<tr>
-							<th scope="col" width=""><?php _e('Name and Description', 'event_espresso');?></th>
-							<th scope="col" width="7.5%" class="jst-rght"><?php _e('Qty', 'event_espresso');?></th>
-							<th scope="col" width="17.5%" class="jst-rght"><?php _e('Price', 'event_espresso');?></th>
-							<th scope="col" width="17.5%" class="jst-rght"><?php _e('Total', 'event_espresso');?></th>
+							<th scope="col" width=""><?php _e('Name and Description', 'event_espresso'); ?></th>
+							<th scope="col" width="7.5%" class="jst-rght"><?php _e('Qty', 'event_espresso'); ?></th>
+							<th scope="col" width="17.5%" class="jst-rght"><?php _e('Price', 'event_espresso'); ?></th>
+							<th scope="col" width="17.5%" class="jst-rght"><?php _e('Total', 'event_espresso'); ?></th>
 						</tr>
 					</thead>
 					<tbody>
-					<?php echo $ticket_line_item[ $registration->ticket()->ID() ]; ?>
+					<?php echo $ticket_line_item[$registration->ticket()->ID()]; ?>
 					</tbody>
 				</table>
 			</div>
@@ -48,7 +48,7 @@ 
 
 			<?php
 			// ATTENDEE QUESTIONS
-			$reg_form = EE_Template_Layout::get_subform_name( $registration->reg_url_link() );
+			$reg_form = EE_Template_Layout::get_subform_name($registration->reg_url_link());
 			echo ${$reg_form};
 			?>
 

modules/single_page_checkout/reg_steps/attendee_information/EE_SPCO_Reg_Step_Attendee_Information.class.php

Indentation +75 added lines, -75 removed lines

@@ -1,16 +1,16 @@ 
 <?php if ( ! defined('EVENT_ESPRESSO_VERSION')) { exit('No direct script access allowed'); }
  /**
- *
- * Class EE_SPCO_Reg_Step_Attendee_Information
- *
- * Description
- *
- * @package 			Event Espresso
- * @subpackage 	core
- * @author 				Brent Christensen
- * @since 				4.5.0
- *
- */
+  *
+  * Class EE_SPCO_Reg_Step_Attendee_Information
+  *
+  * Description
+  *
+  * @package 			Event Espresso
+  * @subpackage 	core
+  * @author 				Brent Christensen
+  * @since 				4.5.0
+  *
+  */
 class EE_SPCO_Reg_Step_Attendee_Information extends EE_SPCO_Reg_Step {
 
 	/**
@@ -135,28 +135,28 @@ 
 					$registration instanceof EE_Registration
 					&& $this->checkout->visit_allows_processing_of_this_registration( $registration )
 				) {
-                    $subsections[$registration->reg_url_link()] = $this->_registrations_reg_form($registration);
-                    if ( ! $this->checkout->admin_request) {
-                        $template_args['registrations'][$registration->reg_url_link()] = $registration;
-                        $template_args['ticket_count'][$registration->ticket()->ID()] = isset(
-                            $template_args['ticket_count'][$registration->ticket()->ID()]
-                        )
-                            ? $template_args['ticket_count'][$registration->ticket()->ID()] + 1
-                            : 1;
-                        $ticket_line_item = EEH_Line_Item::get_line_items_by_object_type_and_IDs(
-                            $this->checkout->cart->get_grand_total(),
-                            'Ticket',
-                            array($registration->ticket()->ID())
-                        );
-                        $ticket_line_item = is_array($ticket_line_item)
-                            ? reset($ticket_line_item)
-                            : $ticket_line_item;
-                        $template_args['ticket_line_item'][$registration->ticket()->ID()] =
-                            $Line_Item_Display->display_line_item($ticket_line_item);
-                    }
-                    if ($registration->is_primary_registrant()) {
-                        $primary_registrant = $registration->reg_url_link();
-                    }
+					$subsections[$registration->reg_url_link()] = $this->_registrations_reg_form($registration);
+					if ( ! $this->checkout->admin_request) {
+						$template_args['registrations'][$registration->reg_url_link()] = $registration;
+						$template_args['ticket_count'][$registration->ticket()->ID()] = isset(
+							$template_args['ticket_count'][$registration->ticket()->ID()]
+						)
+							? $template_args['ticket_count'][$registration->ticket()->ID()] + 1
+							: 1;
+						$ticket_line_item = EEH_Line_Item::get_line_items_by_object_type_and_IDs(
+							$this->checkout->cart->get_grand_total(),
+							'Ticket',
+							array($registration->ticket()->ID())
+						);
+						$ticket_line_item = is_array($ticket_line_item)
+							? reset($ticket_line_item)
+							: $ticket_line_item;
+						$template_args['ticket_line_item'][$registration->ticket()->ID()] =
+							$Line_Item_Display->display_line_item($ticket_line_item);
+					}
+					if ($registration->is_primary_registrant()) {
+						$primary_registrant = $registration->reg_url_link();
+					}
 				}
 			}
 			// print_copy_info ?
@@ -168,7 +168,7 @@ 
 				// generate hidden input
 				if (
 					isset( $subsections[ $primary_registrant ] )
-				     && $subsections[ $primary_registrant ] instanceof EE_Form_Section_Proper
+					 && $subsections[ $primary_registrant ] instanceof EE_Form_Section_Proper
 				) {
 					$subsections[ $primary_registrant ]->add_subsections( $copy_options, 'primary_registrant', false );
 				}
@@ -196,42 +196,42 @@ 
 
 
 
-    /**
+	/**
 	 * @param EE_Registration $registration
 	 * @return EE_Form_Section_Base
 	 * @throws \EE_Error
 	 */
 	private function _registrations_reg_form( EE_Registration $registration ) {
 		static $attendee_nmbr = 1;
-        $form_args = array();
+		$form_args = array();
 		// verify that registration has valid event
 		if ( $registration->event() instanceof EE_Event ) {
 			$question_groups = $registration->event()->question_groups(
-                array(
-                    array(
-                        'Event.EVT_ID'                     => $registration->event()->ID(),
-                        'Event_Question_Group.EQG_primary' => $registration->count() === 1 ? true : false
-                    ),
-                    'order_by' => array('QSG_order' => 'ASC')
-                )
-            );
+				array(
+					array(
+						'Event.EVT_ID'                     => $registration->event()->ID(),
+						'Event_Question_Group.EQG_primary' => $registration->count() === 1 ? true : false
+					),
+					'order_by' => array('QSG_order' => 'ASC')
+				)
+			);
 			if ( $question_groups ) {
-                // array of params to pass to parent constructor
-                $form_args = array(
-                    'html_id'         => 'ee-registration-' . $registration->reg_url_link(),
-                    'html_class'      => 'ee-reg-form-attendee-dv',
-                    'html_style'      => $this->checkout->admin_request
-                        ? 'padding:0em 2em 1em; margin:3em 0 0; border:1px solid #ddd;'
-                        : '',
-                    'subsections'     => array(),
-                    'layout_strategy' => new EE_Fieldset_Section_Layout(
-                        array(
-                            'legend_class' => 'spco-attendee-lgnd smaller-text lt-grey-text',
-                            'legend_text'  => sprintf(__('Attendee %d', 'event_espresso'), $attendee_nmbr)
-                        )
-                    )
-                );
-                foreach ( $question_groups as $question_group ) {
+				// array of params to pass to parent constructor
+				$form_args = array(
+					'html_id'         => 'ee-registration-' . $registration->reg_url_link(),
+					'html_class'      => 'ee-reg-form-attendee-dv',
+					'html_style'      => $this->checkout->admin_request
+						? 'padding:0em 2em 1em; margin:3em 0 0; border:1px solid #ddd;'
+						: '',
+					'subsections'     => array(),
+					'layout_strategy' => new EE_Fieldset_Section_Layout(
+						array(
+							'legend_class' => 'spco-attendee-lgnd smaller-text lt-grey-text',
+							'legend_text'  => sprintf(__('Attendee %d', 'event_espresso'), $attendee_nmbr)
+						)
+					)
+				);
+				foreach ( $question_groups as $question_group ) {
 					if ( $question_group instanceof EE_Question_Group ) {
 						$form_args['subsections'][ $question_group->identifier() ] = $this->_question_group_reg_form(
 							$registration,
@@ -239,19 +239,19 @@ 
 						);
 					}
 				}
-                // add hidden input
-                $form_args['subsections']['additional_attendee_reg_info'] = $this->_additional_attendee_reg_info_input(
-                    $registration
-                );
-                // if we have question groups for additional attendees, then display the copy options
+				// add hidden input
+				$form_args['subsections']['additional_attendee_reg_info'] = $this->_additional_attendee_reg_info_input(
+					$registration
+				);
+				// if we have question groups for additional attendees, then display the copy options
 				$this->_print_copy_info = $attendee_nmbr > 1 ? true : $this->_print_copy_info;
-                if ($registration->is_primary_registrant()) {
-                    // generate hidden input
-                    $form_args['subsections']['primary_registrant'] = $this->_additional_primary_registrant_inputs($registration);
-                }
-            }
+				if ($registration->is_primary_registrant()) {
+					// generate hidden input
+					$form_args['subsections']['primary_registrant'] = $this->_additional_primary_registrant_inputs($registration);
+				}
+			}
 		}
-        $attendee_nmbr++;
+		$attendee_nmbr++;
 		return ! empty($form_args) ? new EE_Form_Section_Proper( $form_args ) : new EE_Form_Section_HTML();
 	}
 
@@ -884,7 +884,7 @@ 
 					if ( isset( $valid_data[ $reg_url_link ] ) ) {
 						// do we need to copy basic info from primary attendee ?
 						$copy_primary = isset( $valid_data[ $reg_url_link ]['additional_attendee_reg_info'] )
-						                && absint( $valid_data[ $reg_url_link ]['additional_attendee_reg_info'] ) === 0
+										&& absint( $valid_data[ $reg_url_link ]['additional_attendee_reg_info'] ) === 0
 							? true
 							: false;
 						// filter form input data for this registration
@@ -1059,7 +1059,7 @@ 
 			? $form_input
 			: $form_input . '-' . $registration->reg_url_link();
 		$answer_is_obj = isset( $this->_registration_answers[ $answer_cache_id ] )
-		                 && $this->_registration_answers[ $answer_cache_id ] instanceof EE_Answer
+						 && $this->_registration_answers[ $answer_cache_id ] instanceof EE_Answer
 			? true
 			: false;
 		//rename form_inputs if they are EE_Attendee properties
@@ -1179,7 +1179,7 @@ 
 		// then attempt to copy them from the primary attendee
 		if (
 			$this->checkout->primary_attendee_obj instanceof EE_Attendee
-            && ! isset( $attendee_data['ATT_fname'], $attendee_data['ATT_email'] )
+			&& ! isset( $attendee_data['ATT_fname'], $attendee_data['ATT_email'] )
 		) {
 			return $this->checkout->primary_attendee_obj;
 		}
@@ -1297,7 +1297,7 @@ 
 		}
 		foreach ( $critical_attendee_details as $critical_attendee_detail ) {
 			if ( ! isset( $attendee_data[ $critical_attendee_detail ] )
-			     || empty( $attendee_data[ $critical_attendee_detail ] )
+				 || empty( $attendee_data[ $critical_attendee_detail ] )
 			) {
 				$attendee_data[ $critical_attendee_detail ] = $this->checkout->primary_attendee_obj->get(
 					$critical_attendee_detail

Spacing +211 added lines, -212 removed lines

@@ -41,21 +41,21 @@ 
 	 * @access    public
 	 * @param    EE_Checkout $checkout
 	 */
-	public function __construct( EE_Checkout $checkout ) {
+	public function __construct(EE_Checkout $checkout) {
 		$this->_slug = 'attendee_information';
 		$this->_name = __('Attendee Information', 'event_espresso');
-		$this->_template = SPCO_REG_STEPS_PATH . $this->_slug . DS . 'attendee_info_main.template.php';
+		$this->_template = SPCO_REG_STEPS_PATH.$this->_slug.DS.'attendee_info_main.template.php';
 		$this->checkout = $checkout;
 		$this->_reset_success_message();
 		$this->set_instructions(
-			__( 'Please answer the following registration questions before proceeding.', 'event_espresso' )
+			__('Please answer the following registration questions before proceeding.', 'event_espresso')
 		);
 	}
 
 
 
 	public function translate_js_strings() {
-		EE_Registry::$i18n_js_strings['required_field'] = __( ' is a required question.', 'event_espresso' );
+		EE_Registry::$i18n_js_strings['required_field'] = __(' is a required question.', 'event_espresso');
 		EE_Registry::$i18n_js_strings['required_multi_field'] = __(
 			' is a required question. Please enter a value for at least one of the options.',
 			'event_espresso'
@@ -115,7 +115,7 @@ 
 		// calculate taxes
 		$Line_Item_Display->display_line_item(
 			$this->checkout->cart->get_grand_total(),
-			array( 'set_tax_rate' => true )
+			array('set_tax_rate' => true)
 		);
 		/** @var $subsections EE_Form_Section_Proper[] */
 		$subsections = array(
@@ -127,13 +127,13 @@ 
 			'ticket_count' 	=> array()
 		);
 		// grab the saved registrations from the transaction
-		$registrations = $this->checkout->transaction->registrations( $this->checkout->reg_cache_where_params );
-		if ( $registrations ) {
-			foreach ( $registrations as $registration ) {
+		$registrations = $this->checkout->transaction->registrations($this->checkout->reg_cache_where_params);
+		if ($registrations) {
+			foreach ($registrations as $registration) {
 				// can this registration be processed during this visit ?
 				if (
 					$registration instanceof EE_Registration
-					&& $this->checkout->visit_allows_processing_of_this_registration( $registration )
+					&& $this->checkout->visit_allows_processing_of_this_registration($registration)
 				) {
                     $subsections[$registration->reg_url_link()] = $this->_registrations_reg_form($registration);
                     if ( ! $this->checkout->admin_request) {
@@ -160,17 +160,17 @@ 
 				}
 			}
 			// print_copy_info ?
-			if ( $primary_registrant && ! $this->checkout->admin_request && count( $registrations ) > 1 ) {
+			if ($primary_registrant && ! $this->checkout->admin_request && count($registrations) > 1) {
 				// TODO: add admin option for toggling copy attendee info, then use that value to change $this->_print_copy_info
 				$copy_options['spco_copy_attendee_chk'] = $this->_print_copy_info
 					? $this->_copy_attendee_info_form()
 					: $this->_auto_copy_attendee_info();
 				// generate hidden input
 				if (
-					isset( $subsections[ $primary_registrant ] )
-				     && $subsections[ $primary_registrant ] instanceof EE_Form_Section_Proper
+					isset($subsections[$primary_registrant])
+				     && $subsections[$primary_registrant] instanceof EE_Form_Section_Proper
 				) {
-					$subsections[ $primary_registrant ]->add_subsections( $copy_options, 'primary_registrant', false );
+					$subsections[$primary_registrant]->add_subsections($copy_options, 'primary_registrant', false);
 				}
 			}
 
@@ -182,8 +182,7 @@ 
 				'html_id' 					=> $this->reg_form_name(),
 				'subsections' 			=> $subsections,
 				'layout_strategy'		=> $this->checkout->admin_request ?
-					new EE_Div_Per_Section_Layout() :
-					new EE_Template_Layout(
+					new EE_Div_Per_Section_Layout() : new EE_Template_Layout(
 						array(
 							'layout_template_file' 	=> $this->_template, // layout_template
 							'template_args' 				=> $template_args
@@ -201,11 +200,11 @@ 
 	 * @return EE_Form_Section_Base
 	 * @throws \EE_Error
 	 */
-	private function _registrations_reg_form( EE_Registration $registration ) {
+	private function _registrations_reg_form(EE_Registration $registration) {
 		static $attendee_nmbr = 1;
         $form_args = array();
 		// verify that registration has valid event
-		if ( $registration->event() instanceof EE_Event ) {
+		if ($registration->event() instanceof EE_Event) {
 			$question_groups = $registration->event()->question_groups(
                 array(
                     array(
@@ -215,10 +214,10 @@ 
                     'order_by' => array('QSG_order' => 'ASC')
                 )
             );
-			if ( $question_groups ) {
+			if ($question_groups) {
                 // array of params to pass to parent constructor
                 $form_args = array(
-                    'html_id'         => 'ee-registration-' . $registration->reg_url_link(),
+                    'html_id'         => 'ee-registration-'.$registration->reg_url_link(),
                     'html_class'      => 'ee-reg-form-attendee-dv',
                     'html_style'      => $this->checkout->admin_request
                         ? 'padding:0em 2em 1em; margin:3em 0 0; border:1px solid #ddd;'
@@ -231,9 +230,9 @@ 
                         )
                     )
                 );
-                foreach ( $question_groups as $question_group ) {
-					if ( $question_group instanceof EE_Question_Group ) {
-						$form_args['subsections'][ $question_group->identifier() ] = $this->_question_group_reg_form(
+                foreach ($question_groups as $question_group) {
+					if ($question_group instanceof EE_Question_Group) {
+						$form_args['subsections'][$question_group->identifier()] = $this->_question_group_reg_form(
 							$registration,
 							$question_group
 						);
@@ -252,7 +251,7 @@ 
             }
 		}
         $attendee_nmbr++;
-		return ! empty($form_args) ? new EE_Form_Section_Proper( $form_args ) : new EE_Form_Section_HTML();
+		return ! empty($form_args) ? new EE_Form_Section_Proper($form_args) : new EE_Form_Section_HTML();
 	}
 
 
@@ -273,7 +272,7 @@ 
 		// generate hidden input
 		return new EE_Hidden_Input(
 			array(
-				'html_id' => 'additional-attendee-reg-info-' . $registration->reg_url_link(),
+				'html_id' => 'additional-attendee-reg-info-'.$registration->reg_url_link(),
 				'default' => $additional_attendee_reg_info
 			)
 		);
@@ -287,26 +286,26 @@ 
 	 * @return EE_Form_Section_Proper
 	 * @throws \EE_Error
 	 */
-	private function _question_group_reg_form( EE_Registration $registration, EE_Question_Group $question_group ){
+	private function _question_group_reg_form(EE_Registration $registration, EE_Question_Group $question_group) {
 		// array of params to pass to parent constructor
 		$form_args = array(
-			'html_id'         => 'ee-reg-form-qstn-grp-' . $question_group->identifier(),
+			'html_id'         => 'ee-reg-form-qstn-grp-'.$question_group->identifier(),
 			'html_class'      => $this->checkout->admin_request
 				? 'form-table ee-reg-form-qstn-grp-dv'
 				: 'ee-reg-form-qstn-grp-dv',
-			'html_label_id'   => 'ee-reg-form-qstn-grp-' . $question_group->identifier() . '-lbl',
+			'html_label_id'   => 'ee-reg-form-qstn-grp-'.$question_group->identifier().'-lbl',
 			'subsections'     => array(
-				'reg_form_qstn_grp_hdr' => $this->_question_group_header( $question_group )
+				'reg_form_qstn_grp_hdr' => $this->_question_group_header($question_group)
 			),
 			'layout_strategy' => $this->checkout->admin_request
 				? new EE_Admin_Two_Column_Layout()
 				: new EE_Div_Per_Section_Layout()
 		);
 		// where params
-		$query_params = array( 'QST_deleted' => 0 );
+		$query_params = array('QST_deleted' => 0);
 		// don't load admin only questions on the frontend
-		if ( ! $this->checkout->admin_request ) {
-			$query_params['QST_admin_only'] = array( '!=', true );
+		if ( ! $this->checkout->admin_request) {
+			$query_params['QST_admin_only'] = array('!=', true);
 		}
 		$questions = $question_group->get_many_related(
 			'Question',
@@ -328,10 +327,10 @@ 
 			)
 		);
 		// loop thru questions
-		foreach ( $questions as $question ) {
-			if( $question instanceof EE_Question ){
+		foreach ($questions as $question) {
+			if ($question instanceof EE_Question) {
 				$identifier = $question->is_system_question() ? $question->system_ID() : $question->ID();
-				$form_args['subsections'][ $identifier ] = $this->reg_form_question( $registration, $question );
+				$form_args['subsections'][$identifier] = $this->reg_form_question($registration, $question);
 			}
 		}
 		$form_args['subsections'] = apply_filters(
@@ -352,7 +351,7 @@ 
 			)
 		);
 //		d( $form_args );
-		$question_group_reg_form = new EE_Form_Section_Proper( $form_args );
+		$question_group_reg_form = new EE_Form_Section_Proper($form_args);
 		return apply_filters(
 			'FHEE__EE_SPCO_Reg_Step_Attendee_Information___question_group_reg_form__question_group_reg_form',
 			$question_group_reg_form,
@@ -369,11 +368,11 @@ 
 	 * @param EE_Question_Group $question_group
 	 * @return 	EE_Form_Section_HTML
 	 */
-	private function _question_group_header( EE_Question_Group $question_group ){
+	private function _question_group_header(EE_Question_Group $question_group) {
 		$html = '';
 		// group_name
-		if ( $question_group->show_group_name() && $question_group->name() !== '' ) {
-			if ( $this->checkout->admin_request ) {
+		if ($question_group->show_group_name() && $question_group->name() !== '') {
+			if ($this->checkout->admin_request) {
 				$html .= EEH_HTML::br();
 				$html .= EEH_HTML::h3(
 					$question_group->name(),
@@ -387,7 +386,7 @@ 
 			}
 		}
 		// group_desc
-		if ( $question_group->show_group_desc() && $question_group->desc() !== '' ) {
+		if ($question_group->show_group_desc() && $question_group->desc() !== '') {
 			$html .= EEH_HTML::p(
 				$question_group->desc(),
 				'',
@@ -397,7 +396,7 @@ 
 			);
 
 		}
-		return new EE_Form_Section_HTML( $html );
+		return new EE_Form_Section_HTML($html);
 	}
 
 
@@ -407,7 +406,7 @@ 
 	 * @return    EE_Form_Section_Proper
 	 * @throws \EE_Error
 	 */
-	private function _copy_attendee_info_form(){
+	private function _copy_attendee_info_form() {
 		// array of params to pass to parent constructor
 		return new EE_Form_Section_Proper(
 			array(
@@ -436,7 +435,7 @@ 
 	private function _auto_copy_attendee_info() {
 		return new EE_Form_Section_HTML(
 			EEH_Template::locate_template(
-				SPCO_REG_STEPS_PATH . $this->_slug . DS . '_auto_copy_attendee_info.template.php',
+				SPCO_REG_STEPS_PATH.$this->_slug.DS.'_auto_copy_attendee_info.template.php',
 				apply_filters(
 					'FHEE__EE_SPCO_Reg_Step_Attendee_Information__auto_copy_attendee_info__template_args',
 					array()
@@ -460,32 +459,32 @@ 
 		$copy_attendee_info_inputs = array();
 		$prev_ticket = NULL;
 		// grab the saved registrations from the transaction
-		$registrations = $this->checkout->transaction->registrations( $this->checkout->reg_cache_where_params );
-		foreach ( $registrations as $registration ) {
+		$registrations = $this->checkout->transaction->registrations($this->checkout->reg_cache_where_params);
+		foreach ($registrations as $registration) {
 			// for all  attendees other than the primary attendee
-			if ( $registration instanceof EE_Registration && ! $registration->is_primary_registrant() ) {
+			if ($registration instanceof EE_Registration && ! $registration->is_primary_registrant()) {
 				// if this is a new ticket OR if this is the very first additional attendee after the primary attendee
-				if ( $registration->ticket()->ID() !== $prev_ticket ) {
+				if ($registration->ticket()->ID() !== $prev_ticket) {
 					$item_name = $registration->ticket()->name();
 					$item_name .= $registration->ticket()->description() !== ''
-						? ' - ' . $registration->ticket()->description()
+						? ' - '.$registration->ticket()->description()
 						: '';
-					$copy_attendee_info_inputs[ 'spco_copy_attendee_chk[ticket-' . $registration->ticket()->ID() . ']' ] = new EE_Form_Section_HTML(
-						'<h6 class="spco-copy-attendee-event-hdr">' . $item_name . '</h6>'
+					$copy_attendee_info_inputs['spco_copy_attendee_chk[ticket-'.$registration->ticket()->ID().']'] = new EE_Form_Section_HTML(
+						'<h6 class="spco-copy-attendee-event-hdr">'.$item_name.'</h6>'
 					);
 					$prev_ticket = $registration->ticket()->ID();
 				}
 
-				$copy_attendee_info_inputs[ 'spco_copy_attendee_chk[' . $registration->ID() . ']' ] = new
+				$copy_attendee_info_inputs['spco_copy_attendee_chk['.$registration->ID().']'] = new
 				EE_Checkbox_Multi_Input(
 					array(
 						$registration->ID() => sprintf(
-							__( 'Attendee #%s', 'event_espresso' ),
+							__('Attendee #%s', 'event_espresso'),
 							$registration->count()
 						)
 					),
 					array(
-						'html_id'                 => 'spco-copy-attendee-chk-' . $registration->reg_url_link(),
+						'html_id'                 => 'spco-copy-attendee-chk-'.$registration->reg_url_link(),
 						'html_class'              => 'spco-copy-attendee-chk ee-do-not-validate',
 						'display_html_label_text' => false
 					)
@@ -505,7 +504,7 @@ 
 	 * @return    EE_Form_Input_Base
 	 * @throws \EE_Error
 	 */
-	private function _additional_primary_registrant_inputs( EE_Registration $registration ){
+	private function _additional_primary_registrant_inputs(EE_Registration $registration) {
 		// generate hidden input
 		return new EE_Hidden_Input(
 			array(
@@ -524,7 +523,7 @@ 
 	 * @return    EE_Form_Input_Base
 	 * @throws \EE_Error
 	 */
-	public function reg_form_question( EE_Registration $registration, EE_Question $question ){
+	public function reg_form_question(EE_Registration $registration, EE_Question $question) {
 
 		// if this question was for an attendee detail, then check for that answer
 		$answer_value = EEM_Answer::instance()->get_attendee_property_answer_value(
@@ -533,32 +532,32 @@ 
 		);
 		$answer = $answer_value === null
 			? EEM_Answer::instance()->get_one(
-				array( array( 'QST_ID' => $question->ID(), 'REG_ID' => $registration->ID() ) )
+				array(array('QST_ID' => $question->ID(), 'REG_ID' => $registration->ID()))
 			)
 			: null;
 		// if NOT returning to edit an existing registration
 		// OR if this question is for an attendee property
 		// OR we still don't have an EE_Answer object
-		if( $answer_value || ! $answer instanceof EE_Answer || ! $registration->reg_url_link() ) {
+		if ($answer_value || ! $answer instanceof EE_Answer || ! $registration->reg_url_link()) {
 			// create an EE_Answer object for storing everything in
-			$answer = EE_Answer::new_instance ( array(
+			$answer = EE_Answer::new_instance(array(
 				'QST_ID'=> $question->ID(),
 				'REG_ID'=> $registration->ID()
 			));
 		}
 		// verify instance
-		if( $answer instanceof EE_Answer ){
-			if ( ! empty( $answer_value )) {
-				$answer->set( 'ANS_value', $answer_value );
+		if ($answer instanceof EE_Answer) {
+			if ( ! empty($answer_value)) {
+				$answer->set('ANS_value', $answer_value);
 			}
-			$answer->cache( 'Question', $question );
+			$answer->cache('Question', $question);
 			//remember system ID had a bug where sometimes it could be null
-			$answer_cache_id =$question->is_system_question()
-				? $question->system_ID() . '-' . $registration->reg_url_link()
-				: $question->ID() . '-' . $registration->reg_url_link();
-			$registration->cache( 'Answer', $answer, $answer_cache_id );
+			$answer_cache_id = $question->is_system_question()
+				? $question->system_ID().'-'.$registration->reg_url_link()
+				: $question->ID().'-'.$registration->reg_url_link();
+			$registration->cache('Answer', $answer, $answer_cache_id);
 		}
-		return $this->_generate_question_input( $registration, $question, $answer );
+		return $this->_generate_question_input($registration, $question, $answer);
 
 	}
 
@@ -571,46 +570,46 @@ 
 	 * @return EE_Form_Input_Base
 	 * @throws \EE_Error
 	 */
-	private function _generate_question_input( EE_Registration $registration, EE_Question $question, $answer ){
+	private function _generate_question_input(EE_Registration $registration, EE_Question $question, $answer) {
 		$identifier = $question->is_system_question() ? $question->system_ID() : $question->ID();
-		$this->_required_questions[ $identifier ] = $question->required() ? true : false;
+		$this->_required_questions[$identifier] = $question->required() ? true : false;
 		add_filter(
 			'FHEE__EE_Question__generate_form_input__country_options',
-			array( $this, 'use_cached_countries_for_form_input' ),
+			array($this, 'use_cached_countries_for_form_input'),
 			10,
 			4
 		);
 		add_filter(
 			'FHEE__EE_Question__generate_form_input__state_options',
-			array( $this, 'use_cached_states_for_form_input' ),
+			array($this, 'use_cached_states_for_form_input'),
 			10,
 			4
 		);
 		$input_constructor_args = array(
-			'html_name'     => 'ee_reg_qstn[' . $registration->ID() . '][' . $identifier . ']',
-			'html_id'       => 'ee_reg_qstn-' . $registration->ID() . '-' . $identifier,
-			'html_class'    => 'ee-reg-qstn ee-reg-qstn-' . $identifier,
-			'html_label_id' => 'ee_reg_qstn-' . $registration->ID() . '-' . $identifier,
+			'html_name'     => 'ee_reg_qstn['.$registration->ID().']['.$identifier.']',
+			'html_id'       => 'ee_reg_qstn-'.$registration->ID().'-'.$identifier,
+			'html_class'    => 'ee-reg-qstn ee-reg-qstn-'.$identifier,
+			'html_label_id' => 'ee_reg_qstn-'.$registration->ID().'-'.$identifier,
 			'html_label_class'	=> 'ee-reg-qstn',
 		);
-		$input_constructor_args['html_label_id'] 	.= '-lbl';
-		if ( $answer instanceof EE_Answer && $answer->ID() ) {
-			$input_constructor_args[ 'html_name' ] .= '[' . $answer->ID() . ']';
-			$input_constructor_args[ 'html_id' ] .= '-' . $answer->ID();
-			$input_constructor_args[ 'html_label_id' ] .= '-' . $answer->ID();
+		$input_constructor_args['html_label_id'] .= '-lbl';
+		if ($answer instanceof EE_Answer && $answer->ID()) {
+			$input_constructor_args['html_name'] .= '['.$answer->ID().']';
+			$input_constructor_args['html_id'] .= '-'.$answer->ID();
+			$input_constructor_args['html_label_id'] .= '-'.$answer->ID();
 		}
-		$form_input =  $question->generate_form_input(
+		$form_input = $question->generate_form_input(
 			$registration,
 			$answer,
 			$input_constructor_args
 		);
 		remove_filter(
 			'FHEE__EE_Question__generate_form_input__country_options',
-			array( $this, 'use_cached_countries_for_form_input' )
+			array($this, 'use_cached_countries_for_form_input')
 		);
 		remove_filter(
 			'FHEE__EE_Question__generate_form_input__state_options',
-			array( $this, 'use_cached_states_for_form_input' )
+			array($this, 'use_cached_states_for_form_input')
 		);
 		return $form_input;
 	}
@@ -632,22 +631,22 @@ 
 		\EE_Registration $registration = null,
 		\EE_Answer $answer = null
 	) {
-		$country_options = array( '' => '' );
+		$country_options = array('' => '');
 		// get possibly cached list of countries
 		$countries = $this->checkout->action === 'process_reg_step'
 			? EEM_Country::instance()->get_all_countries()
 			: EEM_Country::instance()->get_all_active_countries();
-		if ( ! empty( $countries )) {
-			foreach( $countries as $country ){
-				if ( $country instanceof EE_Country ) {
-					$country_options[ $country->ID() ] = $country->name();
+		if ( ! empty($countries)) {
+			foreach ($countries as $country) {
+				if ($country instanceof EE_Country) {
+					$country_options[$country->ID()] = $country->name();
 				}
 			}
 		}
-		if( $question instanceof EE_Question
-			&& $registration instanceof EE_Registration ) {
+		if ($question instanceof EE_Question
+			&& $registration instanceof EE_Registration) {
 			$answer = EEM_Answer::instance()->get_one(
-				array( array( 'QST_ID' => $question->ID(), 'REG_ID' => $registration->ID() ) )
+				array(array('QST_ID' => $question->ID(), 'REG_ID' => $registration->ID()))
 			);
 		} else {
 			$answer = EE_Answer::new_instance();
@@ -680,14 +679,14 @@ 
 		\EE_Registration $registration = null,
 		\EE_Answer $answer = null
 	) {
-		$state_options = array( '' => array( '' => ''));
+		$state_options = array('' => array('' => ''));
 		$states = $this->checkout->action === 'process_reg_step'
 			? EEM_State::instance()->get_all_states()
 			: EEM_State::instance()->get_all_active_states();
-		if ( ! empty( $states )) {
-			foreach( $states as $state ){
-				if ( $state instanceof EE_State ) {
-					$state_options[ $state->country()->name() ][ $state->ID() ] = $state->name();
+		if ( ! empty($states)) {
+			foreach ($states as $state) {
+				if ($state instanceof EE_State) {
+					$state_options[$state->country()->name()][$state->ID()] = $state->name();
 				}
 			}
 		}
@@ -715,24 +714,24 @@ 
 	 * @throws \EE_Error
 	 */
 	public function process_reg_step() {
-		do_action( 'AHEE_log', __FILE__, __FUNCTION__, '' );
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
 		// grab validated data from form
 		$valid_data = $this->checkout->current_step->valid_data();
 		// EEH_Debug_Tools::printr( $_REQUEST, '$_REQUEST', __FILE__, __LINE__ );
 		// EEH_Debug_Tools::printr( $valid_data, '$valid_data', __FILE__, __LINE__ );
 		// if we don't have any $valid_data then something went TERRIBLY WRONG !!!
-		if ( empty( $valid_data ))  {
+		if (empty($valid_data)) {
 			EE_Error::add_error(
-				__( 'No valid question responses were received.', 'event_espresso' ),
+				__('No valid question responses were received.', 'event_espresso'),
 				__FILE__,
 				__FUNCTION__,
 				__LINE__
 			);
 			return false;
 		}
-		if ( ! $this->checkout->transaction instanceof EE_Transaction || ! $this->checkout->continue_reg ) {
+		if ( ! $this->checkout->transaction instanceof EE_Transaction || ! $this->checkout->continue_reg) {
 			EE_Error::add_error(
-				__( 'A valid transaction could not be initiated for processing your registrations.', 'event_espresso' ),
+				__('A valid transaction could not be initiated for processing your registrations.', 'event_espresso'),
 				__FILE__,
 				__FUNCTION__,
 				__LINE__
@@ -740,11 +739,11 @@ 
 			return false;
 		}
 		// get cached registrations
-		$registrations = $this->checkout->transaction->registrations( $this->checkout->reg_cache_where_params );
+		$registrations = $this->checkout->transaction->registrations($this->checkout->reg_cache_where_params);
 		// verify we got the goods
-		if ( empty( $registrations )) {
+		if (empty($registrations)) {
 			EE_Error::add_error(
-				__( 'Your form data could not be applied to any valid registrations.', 'event_espresso' ),
+				__('Your form data could not be applied to any valid registrations.', 'event_espresso'),
 				__FILE__,
 				__FUNCTION__,
 				__LINE__
@@ -752,15 +751,15 @@ 
 			return false;
 		}
 		// extract attendee info from form data and save to model objects
-		$registrations_processed = $this->_process_registrations( $registrations, $valid_data );
+		$registrations_processed = $this->_process_registrations($registrations, $valid_data);
 		// if first pass thru SPCO,
 		// then let's check processed registrations against the total number of tickets in the cart
-		if ( $registrations_processed === false ) {
+		if ($registrations_processed === false) {
 			// but return immediately if the previous step exited early due to errors
 			return false;
-		} else if ( ! $this->checkout->revisit && $registrations_processed !== $this->checkout->total_ticket_count ) {
+		} else if ( ! $this->checkout->revisit && $registrations_processed !== $this->checkout->total_ticket_count) {
 			// generate a correctly translated string for all possible singular/plural combinations
-			if ( $this->checkout->total_ticket_count === 1 && $registrations_processed !== 1 ) {
+			if ($this->checkout->total_ticket_count === 1 && $registrations_processed !== 1) {
 				$error_msg = sprintf(
 					__(
 						'There was %1$d ticket in the Event Queue, but %2$ds registrations were processed',
@@ -769,7 +768,7 @@ 
 					$this->checkout->total_ticket_count,
 					$registrations_processed
 				);
-			} else if ( $this->checkout->total_ticket_count !== 1 && $registrations_processed === 1 ) {
+			} else if ($this->checkout->total_ticket_count !== 1 && $registrations_processed === 1) {
 				$error_msg = sprintf(
 					__(
 						'There was a total of %1$d tickets in the Event Queue, but only %2$ds registration was processed',
@@ -788,17 +787,17 @@ 
 					$registrations_processed
 				);
 			}
-			EE_Error::add_error( $error_msg, __FILE__, __FUNCTION__, __LINE__ );
+			EE_Error::add_error($error_msg, __FILE__, __FUNCTION__, __LINE__);
 			return false;
 		}
 		// mark this reg step as completed
 		$this->set_completed();
 		$this->_set_success_message(
-			__( 'The Attendee Information Step has been successfully completed.', 'event_espresso' )
+			__('The Attendee Information Step has been successfully completed.', 'event_espresso')
 		);
 		//do action in case a plugin wants to do something with the data submitted in step 1.
 		//passes EE_Single_Page_Checkout, and it's posted data
-		do_action( 'AHEE__EE_Single_Page_Checkout__process_attendee_information__end', $this, $valid_data );
+		do_action('AHEE__EE_Single_Page_Checkout__process_attendee_information__end', $this, $valid_data);
 		return true;
 	}
 
@@ -812,9 +811,9 @@ 
 	 * @return boolean | int
 	 * @throws \EE_Error
 	 */
-	private function _process_registrations( $registrations = array(), $valid_data = array() ) {
+	private function _process_registrations($registrations = array(), $valid_data = array()) {
 		// load resources and set some defaults
-		EE_Registry::instance()->load_model( 'Attendee' );
+		EE_Registry::instance()->load_model('Attendee');
 		// holder for primary registrant attendee object
 		$this->checkout->primary_attendee_obj = NULL;
 		// array for tracking reg form data for the primary registrant
@@ -831,9 +830,9 @@ 
 		// attendee counter
 		$att_nmbr = 0;
 		// grab the saved registrations from the transaction
-		foreach ( $registrations  as $registration ) {
+		foreach ($registrations  as $registration) {
 			// verify EE_Registration object
-			if ( ! $registration instanceof EE_Registration ) {
+			if ( ! $registration instanceof EE_Registration) {
 				EE_Error::add_error(
 					__(
 						'An invalid Registration object was discovered when attempting to process your registration information.',
@@ -848,12 +847,12 @@ 
 			/** @var string $reg_url_link */
 			$reg_url_link = $registration->reg_url_link();
 			// reg_url_link exists ?
-			if ( ! empty( $reg_url_link ) ) {
+			if ( ! empty($reg_url_link)) {
 				// should this registration be processed during this visit ?
-				if ( $this->checkout->visit_allows_processing_of_this_registration( $registration ) ) {
+				if ($this->checkout->visit_allows_processing_of_this_registration($registration)) {
 					// if NOT revisiting, then let's save the registration now,
 					// so that we have a REG_ID to use when generating other objects
-					if ( ! $this->checkout->revisit ) {
+					if ( ! $this->checkout->revisit) {
 						$registration->save();
 					}
 					/**
@@ -863,7 +862,7 @@ 
 					 * @var bool   if true is returned by the plugin then the
 					 *      		registration processing is halted.
 					 */
-					if ( apply_filters(
+					if (apply_filters(
 						'FHEE__EE_SPCO_Reg_Step_Attendee_Information___process_registrations__pre_registration_process',
 						false,
 						$att_nmbr,
@@ -871,38 +870,38 @@ 
 						$registrations,
 						$valid_data,
 						$this
-					) ) {
+					)) {
 						return false;
 					}
 
 					// Houston, we have a registration!
 					$att_nmbr++;
-					$this->_attendee_data[ $reg_url_link ] = array();
+					$this->_attendee_data[$reg_url_link] = array();
 					// grab any existing related answer objects
 					$this->_registration_answers = $registration->answers();
 					// unset( $valid_data[ $reg_url_link ]['additional_attendee_reg_info'] );
-					if ( isset( $valid_data[ $reg_url_link ] ) ) {
+					if (isset($valid_data[$reg_url_link])) {
 						// do we need to copy basic info from primary attendee ?
-						$copy_primary = isset( $valid_data[ $reg_url_link ]['additional_attendee_reg_info'] )
-						                && absint( $valid_data[ $reg_url_link ]['additional_attendee_reg_info'] ) === 0
+						$copy_primary = isset($valid_data[$reg_url_link]['additional_attendee_reg_info'])
+						                && absint($valid_data[$reg_url_link]['additional_attendee_reg_info']) === 0
 							? true
 							: false;
 						// filter form input data for this registration
-						$valid_data[ $reg_url_link ] = (array)apply_filters(
+						$valid_data[$reg_url_link] = (array) apply_filters(
 							'FHEE__EE_Single_Page_Checkout__process_attendee_information__valid_data_line_item',
-							$valid_data[ $reg_url_link ]
+							$valid_data[$reg_url_link]
 						);
 						// EEH_Debug_Tools::printr( $valid_data[ $reg_url_link ], '$valid_data[ $reg_url_link ]', __FILE__, __LINE__ );
-						if ( isset( $valid_data['primary_attendee'] )) {
-							$primary_registrant['line_item_id'] =  ! empty( $valid_data['primary_attendee'] )
+						if (isset($valid_data['primary_attendee'])) {
+							$primary_registrant['line_item_id'] = ! empty($valid_data['primary_attendee'])
 								? $valid_data['primary_attendee']
 								: false;
-							unset( $valid_data['primary_attendee'] );
+							unset($valid_data['primary_attendee']);
 						}
 						// now loop through our array of valid post data && process attendee reg forms
-						foreach ( $valid_data[ $reg_url_link ] as $form_section => $form_inputs ) {
-							if ( ! in_array( $form_section, $non_input_form_sections )) {
-								foreach ( $form_inputs as $form_input => $input_value ) {
+						foreach ($valid_data[$reg_url_link] as $form_section => $form_inputs) {
+							if ( ! in_array($form_section, $non_input_form_sections)) {
+								foreach ($form_inputs as $form_input => $input_value) {
 									// \EEH_Debug_Tools::printr( $input_value, $form_input, __FILE__, __LINE__ );
 									// check for critical inputs
 									if (
@@ -916,16 +915,16 @@ 
 									// store a bit of data about the primary attendee
 									if (
 										$att_nmbr === 1
-										&& ! empty( $input_value )
+										&& ! empty($input_value)
 										&& $reg_url_link === $primary_registrant['line_item_id']
 									) {
-										$primary_registrant[ $form_input ] = $input_value;
+										$primary_registrant[$form_input] = $input_value;
 									} else if (
 										$copy_primary
 										&& $input_value === null
-										&& isset( $primary_registrant[ $form_input ] )
+										&& isset($primary_registrant[$form_input])
 									) {
-										$input_value = $primary_registrant[ $form_input ];
+										$input_value = $primary_registrant[$form_input];
 									}
 									// now attempt to save the input data
 									if (
@@ -967,55 +966,55 @@ 
 						// have we met before?
 						$attendee = $this->_find_existing_attendee(
 							$registration,
-							$this->_attendee_data[ $reg_url_link ]
+							$this->_attendee_data[$reg_url_link]
 						);
 						// did we find an already existing record for this attendee ?
-						if ( $attendee instanceof EE_Attendee ) {
+						if ($attendee instanceof EE_Attendee) {
 							$attendee = $this->_update_existing_attendee_data(
 								$attendee,
-								$this->_attendee_data[ $reg_url_link ]
+								$this->_attendee_data[$reg_url_link]
 							);
 						} else {
 							// ensure critical details are set for additional attendees
-							$this->_attendee_data[ $reg_url_link ] = $att_nmbr > 1
+							$this->_attendee_data[$reg_url_link] = $att_nmbr > 1
 								? $this->_copy_critical_attendee_details_from_primary_registrant(
-									$this->_attendee_data[ $reg_url_link ]
+									$this->_attendee_data[$reg_url_link]
 								)
-								: $this->_attendee_data[ $reg_url_link ];
+								: $this->_attendee_data[$reg_url_link];
 							$attendee = $this->_create_new_attendee(
 								$registration,
-								$this->_attendee_data[ $reg_url_link ]
+								$this->_attendee_data[$reg_url_link]
 							);
 						}
 						// who's #1 ?
-						if ( $att_nmbr === 1 ) {
+						if ($att_nmbr === 1) {
 							$this->checkout->primary_attendee_obj = $attendee;
 						}
 					}
 					// EEH_Debug_Tools::printr( $attendee, '$attendee', __FILE__, __LINE__ );
 					// add relation to registration, set attendee ID, and cache attendee
-					$this->_associate_attendee_with_registration( $registration, $attendee );
+					$this->_associate_attendee_with_registration($registration, $attendee);
 					// \EEH_Debug_Tools::printr( $registration, '$registration', __FILE__, __LINE__ );
-					if ( ! $registration->attendee() instanceof EE_Attendee ) {
-						EE_Error::add_error( sprintf( __( 'Registration %s has an invalid or missing Attendee object.', 'event_espresso' ), $reg_url_link ), __FILE__, __FUNCTION__, __LINE__ );
+					if ( ! $registration->attendee() instanceof EE_Attendee) {
+						EE_Error::add_error(sprintf(__('Registration %s has an invalid or missing Attendee object.', 'event_espresso'), $reg_url_link), __FILE__, __FUNCTION__, __LINE__);
 						return false;
 					}
 					/** @type EE_Registration_Processor $registration_processor */
-					$registration_processor = EE_Registry::instance()->load_class( 'Registration_Processor' );
+					$registration_processor = EE_Registry::instance()->load_class('Registration_Processor');
 					// at this point, we should have enough details about the registrant to consider the registration NOT incomplete
-					$registration_processor->toggle_incomplete_registration_status_to_default( $registration, false );
+					$registration_processor->toggle_incomplete_registration_status_to_default($registration, false);
 					// we can also consider the TXN to not have been failed, so temporarily upgrade it's status to abandoned
 					$this->checkout->transaction->toggle_failed_transaction_status();
 					// if we've gotten this far, then let's save what we have
 					$registration->save();
 					// add relation between TXN and registration
-					$this->_associate_registration_with_transaction( $registration );
+					$this->_associate_registration_with_transaction($registration);
 				} // end of if ( ! $this->checkout->revisit || $this->checkout->primary_revisit || ( $this->checkout->revisit && $this->checkout->reg_url_link == $reg_url_link )) {
 
-			}  else {
-				EE_Error::add_error( __( 'An invalid or missing line item ID was encountered while attempting to process the registration form.', 'event_espresso' ), __FILE__, __FUNCTION__, __LINE__ );
+			} else {
+				EE_Error::add_error(__('An invalid or missing line item ID was encountered while attempting to process the registration form.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
 				// remove malformed data
-				unset( $valid_data[ $reg_url_link ] );
+				unset($valid_data[$reg_url_link]);
 				return false;
 			}
 
@@ -1044,26 +1043,26 @@ 
 		// \EEH_Debug_Tools::printr( $input_value, '$input_value', __FILE__, __LINE__ );
 		// allow for plugins to hook in and do their own processing of the form input.
 		// For plugins to bypass normal processing here, they just need to return a boolean value.
-		if ( apply_filters(
+		if (apply_filters(
 			'FHEE__EE_SPCO_Reg_Step_Attendee_Information___save_registration_form_input',
 			false,
 			$registration,
 			$form_input,
 			$input_value,
 			$this
-		) ) {
+		)) {
 			return true;
 		}
 		// $answer_cache_id is the key used to find the EE_Answer we want
 		$answer_cache_id = $this->checkout->reg_url_link
 			? $form_input
-			: $form_input . '-' . $registration->reg_url_link();
-		$answer_is_obj = isset( $this->_registration_answers[ $answer_cache_id ] )
-		                 && $this->_registration_answers[ $answer_cache_id ] instanceof EE_Answer
+			: $form_input.'-'.$registration->reg_url_link();
+		$answer_is_obj = isset($this->_registration_answers[$answer_cache_id])
+		                 && $this->_registration_answers[$answer_cache_id] instanceof EE_Answer
 			? true
 			: false;
 		//rename form_inputs if they are EE_Attendee properties
-		switch( (string)$form_input ) {
+		switch ((string) $form_input) {
 
 			case 'state' :
 			case 'STA_ID' :
@@ -1078,32 +1077,32 @@ 
 				break;
 
 			default :
-				$ATT_input = 'ATT_' . $form_input;
+				$ATT_input = 'ATT_'.$form_input;
 				//EEH_Debug_Tools::printr( $ATT_input, '$ATT_input', __FILE__, __LINE__ );
-				$attendee_property = EEM_Attendee::instance()->has_field( $ATT_input ) ? true : false;
-				$form_input = $attendee_property ? 'ATT_' . $form_input : $form_input;
+				$attendee_property = EEM_Attendee::instance()->has_field($ATT_input) ? true : false;
+				$form_input = $attendee_property ? 'ATT_'.$form_input : $form_input;
 		}
 		// EEH_Debug_Tools::printr( $answer_cache_id, '$answer_cache_id', __FILE__, __LINE__ );
 		// EEH_Debug_Tools::printr( $attendee_property, '$attendee_property', __FILE__, __LINE__ );
 		// EEH_Debug_Tools::printr( $answer_is_obj, '$answer_is_obj', __FILE__, __LINE__ );
 		// if this form input has a corresponding attendee property
-		if ( $attendee_property ) {
-			$this->_attendee_data[ $registration->reg_url_link() ][ $form_input ] = $input_value;
-			if ( $answer_is_obj ) {
+		if ($attendee_property) {
+			$this->_attendee_data[$registration->reg_url_link()][$form_input] = $input_value;
+			if ($answer_is_obj) {
 				// and delete the corresponding answer since we won't be storing this data in that object
-				$registration->_remove_relation_to( $this->_registration_answers[ $answer_cache_id ], 'Answer' );
-				$this->_registration_answers[ $answer_cache_id ]->delete_permanently();
+				$registration->_remove_relation_to($this->_registration_answers[$answer_cache_id], 'Answer');
+				$this->_registration_answers[$answer_cache_id]->delete_permanently();
 			}
 			return true;
-		} elseif ( $answer_is_obj ) {
+		} elseif ($answer_is_obj) {
 			// save this data to the answer object
-			$this->_registration_answers[ $answer_cache_id ]->set_value( $input_value );
-			$result = $this->_registration_answers[ $answer_cache_id ]->save();
+			$this->_registration_answers[$answer_cache_id]->set_value($input_value);
+			$result = $this->_registration_answers[$answer_cache_id]->save();
 			return $result !== false ? true : false;
 		} else {
-			foreach ( $this->_registration_answers as $answer ) {
-				if ( $answer instanceof EE_Answer && $answer->question_ID() === $answer_cache_id ) {
-					$answer->set_value( $input_value );
+			foreach ($this->_registration_answers as $answer) {
+				if ($answer instanceof EE_Answer && $answer->question_ID() === $answer_cache_id) {
+					$answer->set_value($input_value);
 					$result = $answer->save();
 					return $result !== false ? true : false;
 				}
@@ -1125,15 +1124,15 @@ 
 		$form_input = '',
 		$input_value = ''
 	) {
-		if ( empty( $input_value ) ) {
+		if (empty($input_value)) {
 			// if the form input isn't marked as being required, then just return
-			if ( ! isset( $this->_required_questions[ $form_input ] ) || ! $this->_required_questions[ $form_input ] ) {
+			if ( ! isset($this->_required_questions[$form_input]) || ! $this->_required_questions[$form_input]) {
 				return true;
 			}
-			switch ( $form_input ) {
+			switch ($form_input) {
 				case 'fname' :
 					EE_Error::add_error(
-						__( 'First Name is a required value.', 'event_espresso' ),
+						__('First Name is a required value.', 'event_espresso'),
 						__FILE__,
 						__FUNCTION__,
 						__LINE__
@@ -1142,7 +1141,7 @@ 
 					break;
 				case 'lname' :
 					EE_Error::add_error(
-						__( 'Last Name is a required value.', 'event_espresso' ),
+						__('Last Name is a required value.', 'event_espresso'),
 						__FILE__,
 						__FUNCTION__,
 						__LINE__
@@ -1151,7 +1150,7 @@ 
 					break;
 				case 'email' :
 					EE_Error::add_error(
-						__( 'Please enter a valid email address.', 'event_espresso' ),
+						__('Please enter a valid email address.', 'event_espresso'),
 						__FILE__,
 						__FUNCTION__,
 						__LINE__
@@ -1173,30 +1172,30 @@ 
 	 * @return boolean|EE_Attendee
 	 * @throws \EE_Error
 	 */
-	private function _find_existing_attendee( EE_Registration $registration, $attendee_data = array() ) {
+	private function _find_existing_attendee(EE_Registration $registration, $attendee_data = array()) {
 		$existing_attendee = null;
 		// if none of the critical properties are set in the incoming attendee data...
 		// then attempt to copy them from the primary attendee
 		if (
 			$this->checkout->primary_attendee_obj instanceof EE_Attendee
-            && ! isset( $attendee_data['ATT_fname'], $attendee_data['ATT_email'] )
+            && ! isset($attendee_data['ATT_fname'], $attendee_data['ATT_email'])
 		) {
 			return $this->checkout->primary_attendee_obj;
 		}
 		// does this attendee already exist in the db ?
 		// we're searching using a combination of first name, last name, AND email address
-		$ATT_fname = isset( $attendee_data['ATT_fname'] ) && ! empty( $attendee_data['ATT_fname'] )
+		$ATT_fname = isset($attendee_data['ATT_fname']) && ! empty($attendee_data['ATT_fname'])
 			? $attendee_data['ATT_fname']
 			: '';
-		$ATT_lname = isset( $attendee_data['ATT_lname'] ) && ! empty( $attendee_data['ATT_lname'] )
+		$ATT_lname = isset($attendee_data['ATT_lname']) && ! empty($attendee_data['ATT_lname'])
 			? $attendee_data['ATT_lname']
 			: '';
-		$ATT_email = isset( $attendee_data['ATT_email'] ) && ! empty( $attendee_data['ATT_email'] )
+		$ATT_email = isset($attendee_data['ATT_email']) && ! empty($attendee_data['ATT_email'])
 			? $attendee_data['ATT_email']
 			: '';
 		// but only if those have values
-		if ( $ATT_fname && $ATT_lname && $ATT_email ) {
-			$existing_attendee = EEM_Attendee::instance()->find_existing_attendee( array(
+		if ($ATT_fname && $ATT_lname && $ATT_email) {
+			$existing_attendee = EEM_Attendee::instance()->find_existing_attendee(array(
 				'ATT_fname' => $ATT_fname,
 				'ATT_lname' => $ATT_lname,
 				'ATT_email' => $ATT_email
@@ -1220,13 +1219,13 @@ 
 	 * @return \EE_Attendee
 	 * @throws \EE_Error
 	 */
-	private function _update_existing_attendee_data( EE_Attendee $existing_attendee, $attendee_data = array() ) {
+	private function _update_existing_attendee_data(EE_Attendee $existing_attendee, $attendee_data = array()) {
 		// first remove fname, lname, and email from attendee data
-		$dont_set = array( 'ATT_fname', 'ATT_lname', 'ATT_email' );
+		$dont_set = array('ATT_fname', 'ATT_lname', 'ATT_email');
 		// now loop thru what's left and add to attendee CPT
-		foreach ( $attendee_data as $property_name => $property_value ) {
-			if ( ! in_array( $property_name, $dont_set ) && EEM_Attendee::instance()->has_field( $property_name )) {
-				$existing_attendee->set( $property_name, $property_value );
+		foreach ($attendee_data as $property_name => $property_value) {
+			if ( ! in_array($property_name, $dont_set) && EEM_Attendee::instance()->has_field($property_name)) {
+				$existing_attendee->set($property_name, $property_value);
 			}
 		}
 		// better save that now
@@ -1244,11 +1243,11 @@ 
 	 * @return void
 	 * @throws \EE_Error
 	 */
-	private function _associate_attendee_with_registration( EE_Registration $registration, EE_Attendee $attendee ) {
+	private function _associate_attendee_with_registration(EE_Registration $registration, EE_Attendee $attendee) {
 		// add relation to attendee
-		$registration->_add_relation_to( $attendee, 'Attendee' );
-		$registration->set_attendee_id( $attendee->ID() );
-		$registration->update_cache_after_object_save( 'Attendee', $attendee );
+		$registration->_add_relation_to($attendee, 'Attendee');
+		$registration->set_attendee_id($attendee->ID());
+		$registration->update_cache_after_object_save('Attendee', $attendee);
 	}
 
 
@@ -1260,10 +1259,10 @@ 
 	 * @return void
 	 * @throws \EE_Error
 	 */
-	private function _associate_registration_with_transaction( EE_Registration $registration ) {
+	private function _associate_registration_with_transaction(EE_Registration $registration) {
 		// add relation to attendee
-		$this->checkout->transaction->_add_relation_to( $registration, 'Registration' );
-		$this->checkout->transaction->update_cache_after_object_save( 'Registration', $registration );
+		$this->checkout->transaction->_add_relation_to($registration, 'Registration');
+		$this->checkout->transaction->update_cache_after_object_save('Registration', $registration);
 	}
 
 
@@ -1276,14 +1275,14 @@ 
 	 * @return array
 	 * @throws \EE_Error
 	 */
-	private function _copy_critical_attendee_details_from_primary_registrant( $attendee_data = array() ) {
+	private function _copy_critical_attendee_details_from_primary_registrant($attendee_data = array()) {
 		// bare minimum critical details include first name, last name, email address
-		$critical_attendee_details = array( 'ATT_fname', 'ATT_lname', 'ATT_email' );
+		$critical_attendee_details = array('ATT_fname', 'ATT_lname', 'ATT_email');
 		// add address info to critical details?
-		if ( apply_filters(
+		if (apply_filters(
 			'FHEE__EE_SPCO_Reg_Step_Attendee_Information__merge_address_details_with_critical_attendee_details',
 			false
-		) ) {
+		)) {
 			$address_details = array(
 				'ATT_address',
 				'ATT_address2',
@@ -1293,13 +1292,13 @@ 
 				'ATT_zip',
 				'ATT_phone'
 			);
-			$critical_attendee_details = array_merge( $critical_attendee_details, $address_details );
+			$critical_attendee_details = array_merge($critical_attendee_details, $address_details);
 		}
-		foreach ( $critical_attendee_details as $critical_attendee_detail ) {
-			if ( ! isset( $attendee_data[ $critical_attendee_detail ] )
-			     || empty( $attendee_data[ $critical_attendee_detail ] )
+		foreach ($critical_attendee_details as $critical_attendee_detail) {
+			if ( ! isset($attendee_data[$critical_attendee_detail])
+			     || empty($attendee_data[$critical_attendee_detail])
 			) {
-				$attendee_data[ $critical_attendee_detail ] = $this->checkout->primary_attendee_obj->get(
+				$attendee_data[$critical_attendee_detail] = $this->checkout->primary_attendee_obj->get(
 					$critical_attendee_detail
 				);
 			}
@@ -1317,11 +1316,11 @@ 
 	 * @return \EE_Attendee
 	 * @throws \EE_Error
 	 */
-	private function _create_new_attendee( EE_Registration $registration, $attendee_data = array() ) {
+	private function _create_new_attendee(EE_Registration $registration, $attendee_data = array()) {
 		// create new attendee object
-		$new_attendee = EE_Attendee::new_instance( $attendee_data );
+		$new_attendee = EE_Attendee::new_instance($attendee_data);
 		// set author to event creator
-		$new_attendee->set( 'ATT_author', $registration->event()->wp_user() );
+		$new_attendee->set('ATT_author', $registration->event()->wp_user());
 		$new_attendee->save();
 		return $new_attendee;
 	}
@@ -1338,7 +1337,7 @@ 
 	 */
 	public function update_reg_step() {
 		// save everything
-		if ( $this->process_reg_step() ) {
+		if ($this->process_reg_step()) {
 			$this->checkout->redirect = true;
 			$this->checkout->redirect_url = add_query_arg(
 				array(
@@ -1347,7 +1346,7 @@ 
 				),
 				$this->checkout->thank_you_page_url
 			);
-			$this->checkout->json_response->set_redirect_url( $this->checkout->redirect_url );
+			$this->checkout->json_response->set_redirect_url($this->checkout->redirect_url);
 			return true;
 		}
 		return false;

core/db_models/fields/EE_DB_Only_Field_Base.php

Doc Comments +1 added lines, -1 removed lines

@@ -15,7 +15,7 @@
      * @param string $table_column
      * @param string $nicename
      * @param bool   $nullable
-     * @param null   $default_value
+     * @param string|null   $default_value
      */
     public function __construct($table_column, $nicename, $nullable, $default_value = null)
     {

Indentation +22 added lines, -22 removed lines

@@ -11,28 +11,28 @@
 abstract class EE_DB_Only_Field_Base extends EE_Model_Field_Base
 {
 
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        parent::__construct($table_column, $nicename, $nullable, $default_value);
-        $this->setSchemaReadOnly(true);
-    }
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		parent::__construct($table_column, $nicename, $nullable, $default_value);
+		$this->setSchemaReadOnly(true);
+	}
 
 
-    /**
-     * All these children classes are for the db-only (meaning, we should select them
-     * on get_all queries, update, delete, and will still want to set their default value
-     * on inserts, but the model object won't have reference to these fields)
-     *
-     * @return boolean
-     */
-    function is_db_only_field()
-    {
-        return true;
-    }
+	/**
+	 * All these children classes are for the db-only (meaning, we should select them
+	 * on get_all queries, update, delete, and will still want to set their default value
+	 * on inserts, but the model object won't have reference to these fields)
+	 *
+	 * @return boolean
+	 */
+	function is_db_only_field()
+	{
+		return true;
+	}
 }
\ No newline at end of file

core/db_models/fields/EE_Email_Field.php

Doc Comments +1 added lines, -1 removed lines

@@ -13,7 +13,7 @@
      * @param string $table_column
      * @param string $nicename
      * @param bool   $nullable
-     * @param null   $default_value
+     * @param string   $default_value
      */
     public function __construct($table_column, $nicename, $nullable, $default_value = null)
     {

Indentation +42 added lines, -42 removed lines

@@ -9,48 +9,48 @@
  */
 class EE_Email_Field extends EE_Text_Field_Base
 {
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        parent::__construct($table_column, $nicename, $nullable, $default_value);
-        $this->setSchemaFormat('email');
-    }
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		parent::__construct($table_column, $nicename, $nullable, $default_value);
+		$this->setSchemaFormat('email');
+	}
 
 
-    /**
-     * In form inputs, we should have called htmlentities and addslashes() on form inputs,
-     * so we need to undo that on setting of these fields
-     *
-     * @param string $email_address
-     * @return string
-     */
-    function prepare_for_set($email_address)
-    {
-        $validation_level = isset(EE_Registry::instance()->CFG->registration->email_validation_level)
-            ? EE_Registry::instance()->CFG->registration->email_validation_level
-            : 'wp_default';
-        if ($validation_level === 'basic' && ! preg_match('/^.+\@\S+$/', $email_address)) {
-            // email not even in correct {string}@{string} format
-            return '';
-        } else if ($validation_level === 'wp_default' && ! is_email($email_address)) {
-            //not a valid email.
-            return '';
-        } else if (
-            ($validation_level === 'i18n' || $validation_level === 'i18n_dns')
-            // plz see http://stackoverflow.com/a/24817336 re: the following regex
-            && ! preg_match(
-                '/^(?!\.)((?!.*\.{2})[a-zA-Z0-9\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}\.!#$%&\'*+-\/=?^_`{|}~\-\d]+)@(?!\.)([a-zA-Z0-9\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}\-\.\d]+)((\.([a-zA-Z\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}]){2,63})+)$/u',
-                $email_address
-            )
-        ) {
-            //not a valid email.
-            return '';
-        }
-        return $email_address;
-    }
+	/**
+	 * In form inputs, we should have called htmlentities and addslashes() on form inputs,
+	 * so we need to undo that on setting of these fields
+	 *
+	 * @param string $email_address
+	 * @return string
+	 */
+	function prepare_for_set($email_address)
+	{
+		$validation_level = isset(EE_Registry::instance()->CFG->registration->email_validation_level)
+			? EE_Registry::instance()->CFG->registration->email_validation_level
+			: 'wp_default';
+		if ($validation_level === 'basic' && ! preg_match('/^.+\@\S+$/', $email_address)) {
+			// email not even in correct {string}@{string} format
+			return '';
+		} else if ($validation_level === 'wp_default' && ! is_email($email_address)) {
+			//not a valid email.
+			return '';
+		} else if (
+			($validation_level === 'i18n' || $validation_level === 'i18n_dns')
+			// plz see http://stackoverflow.com/a/24817336 re: the following regex
+			&& ! preg_match(
+				'/^(?!\.)((?!.*\.{2})[a-zA-Z0-9\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}\.!#$%&\'*+-\/=?^_`{|}~\-\d]+)@(?!\.)([a-zA-Z0-9\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}\-\.\d]+)((\.([a-zA-Z\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}]){2,63})+)$/u',
+				$email_address
+			)
+		) {
+			//not a valid email.
+			return '';
+		}
+		return $email_address;
+	}
 }

core/db_models/fields/EE_Float_Field.php

Doc Comments +2 added lines, -2 removed lines

@@ -12,7 +12,7 @@ 
      * @param string $table_column
      * @param string $nicename
      * @param bool   $nullable
-     * @param null   $default_value
+     * @param integer|null   $default_value
      */
     public function __construct($table_column, $nicename, $nullable, $default_value = null)
     {
@@ -27,7 +27,7 @@ 
      * So if you want to pass in a string that NEEDS to interpret periods as decimal marks, call floatval() on it first.
      * Returns a float
      *
-     * @param type $value_inputted_for_field_on_model_object
+     * @param string $value_inputted_for_field_on_model_object
      * @return float
      */
     function prepare_for_set($value_inputted_for_field_on_model_object)

Indentation +49 added lines, -49 removed lines

@@ -8,64 +8,64 @@
 class EE_Float_Field extends EE_Model_Field_Base
 {
 
-    /**
-     * @param string $table_column
-     * @param string $nicename
-     * @param bool   $nullable
-     * @param null   $default_value
-     */
-    public function __construct($table_column, $nicename, $nullable, $default_value = null)
-    {
-        parent::__construct($table_column, $nicename, $nullable, $default_value);
-        $this->setSchemaType('number');
-    }
+	/**
+	 * @param string $table_column
+	 * @param string $nicename
+	 * @param bool   $nullable
+	 * @param null   $default_value
+	 */
+	public function __construct($table_column, $nicename, $nullable, $default_value = null)
+	{
+		parent::__construct($table_column, $nicename, $nullable, $default_value);
+		$this->setSchemaType('number');
+	}
 
 
-    /**
-     * If provided a string, strips out number-related formatting, like commas, periods, spaces, other junk, etc.
-     * However, treats commas and periods as thousand-separators ro decimal marks, as indicate by the config's currency.
-     * So if you want to pass in a string that NEEDS to interpret periods as decimal marks, call floatval() on it first.
-     * Returns a float
-     *
-     * @param type $value_inputted_for_field_on_model_object
-     * @return float
-     */
-    function prepare_for_set($value_inputted_for_field_on_model_object)
-    {
+	/**
+	 * If provided a string, strips out number-related formatting, like commas, periods, spaces, other junk, etc.
+	 * However, treats commas and periods as thousand-separators ro decimal marks, as indicate by the config's currency.
+	 * So if you want to pass in a string that NEEDS to interpret periods as decimal marks, call floatval() on it first.
+	 * Returns a float
+	 *
+	 * @param type $value_inputted_for_field_on_model_object
+	 * @return float
+	 */
+	function prepare_for_set($value_inputted_for_field_on_model_object)
+	{
 //		echo __LINE__."$value_inputted_for_field_on_model_object<br>";
-        //remove whitespaces and thousands separators
-        if (is_string($value_inputted_for_field_on_model_object)) {
-            $value_inputted_for_field_on_model_object = str_replace(array(" ", EE_Config::instance()->currency->thsnds),
-                "", $value_inputted_for_field_on_model_object);
+		//remove whitespaces and thousands separators
+		if (is_string($value_inputted_for_field_on_model_object)) {
+			$value_inputted_for_field_on_model_object = str_replace(array(" ", EE_Config::instance()->currency->thsnds),
+				"", $value_inputted_for_field_on_model_object);
 //echo __LINE__."$value_inputted_for_field_on_model_object<br>";
 //normalize it so periods are decimal marks (we don't care where you're from: we're talking PHP now)
-            $value_inputted_for_field_on_model_object = str_replace(EE_Config::instance()->currency->dec_mrk, ".",
-                $value_inputted_for_field_on_model_object);
+			$value_inputted_for_field_on_model_object = str_replace(EE_Config::instance()->currency->dec_mrk, ".",
+				$value_inputted_for_field_on_model_object);
 //echo __LINE__."$value_inputted_for_field_on_model_object<br>";
 //double-check there's absolutely nothing left on this string besides numbers
-            $value_inputted_for_field_on_model_object = preg_replace("/[^0-9,.]/", "",
-                $value_inputted_for_field_on_model_object);
-        }
+			$value_inputted_for_field_on_model_object = preg_replace("/[^0-9,.]/", "",
+				$value_inputted_for_field_on_model_object);
+		}
 //		echo __LINE__."$value_inputted_for_field_on_model_object<br>";
-        return floatval($value_inputted_for_field_on_model_object);
-    }
+		return floatval($value_inputted_for_field_on_model_object);
+	}
 
-    /**
-     * Returns the number formatted according to local custom (set by the country of the blog).
-     *
-     * @param float $value_on_field_to_be_outputted
-     * @return string
-     */
-    function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
-    {
-        $EE = EE_Registry::instance();
-        return number_format($value_on_field_to_be_outputted, $EE->CFG->currency->dec_plc, $EE->CFG->currency->dec_mrk,
-            $EE->CFG->currency->thsnds);
-    }
+	/**
+	 * Returns the number formatted according to local custom (set by the country of the blog).
+	 *
+	 * @param float $value_on_field_to_be_outputted
+	 * @return string
+	 */
+	function prepare_for_pretty_echoing($value_on_field_to_be_outputted, $schema = null)
+	{
+		$EE = EE_Registry::instance();
+		return number_format($value_on_field_to_be_outputted, $EE->CFG->currency->dec_plc, $EE->CFG->currency->dec_mrk,
+			$EE->CFG->currency->thsnds);
+	}
 
-    function prepare_for_set_from_db($value_found_in_db_for_model_object)
-    {
+	function prepare_for_set_from_db($value_found_in_db_for_model_object)
+	{
 //		echo "prepare for set from db of ";d($value_found_in_db_for_model_object);
-        return floatval($value_found_in_db_for_model_object);
-    }
+		return floatval($value_found_in_db_for_model_object);
+	}
 }
\ No newline at end of file