eventespresso / event-espresso-core

core/CPTs/CptQueryModifier.php

Indentation +578 added lines, -578 removed lines

@@ -30,582 +30,582 @@
  */
 class CptQueryModifier
 {
-    /**
-     * @var CurrentPage $current_page
-     */
-    protected $current_page;
-
-    /**
-     * @var string $post_type
-     */
-    protected $post_type = '';
-
-    /**
-     * CPT details from CustomPostTypeDefinitions for specific post type
-     *
-     * @var array $cpt_details
-     */
-    protected $cpt_details = array();
-
-    /**
-     * @var EE_Table_Base[] $model_tables
-     */
-    protected $model_tables = array();
-
-    /**
-     * @var array $taxonomies
-     */
-    protected $taxonomies = array();
-
-    /**
-     * meta table for the related CPT
-     *
-     * @var EE_Secondary_Table $meta_table
-     */
-    protected $meta_table;
-
-    /**
-     * EEM_CPT_Base model for the related CPT
-     *
-     * @var EEM_CPT_Base $model
-     */
-    protected $model;
-
-    /**
-     * @var EE_Request_Handler $request_handler
-     */
-    protected $request_handler;
-
-    /**
-     * @var WP_Query $wp_query
-     */
-    protected $wp_query;
-
-    /**
-     * @var LoaderInterface $loader
-     */
-    protected $loader;
-
-    /**
-     * @var RequestInterface $request
-     */
-    protected $request;
-
-
-    /**
-     * CptQueryModifier constructor
-     *
-     * @param string             $post_type
-     * @param array              $cpt_details
-     * @param WP_Query           $WP_Query
-     * @param CurrentPage $current_page
-     * @param RequestInterface   $request
-     * @param LoaderInterface    $loader
-     * @throws EE_Error
-     */
-    public function __construct(
-        $post_type,
-        array $cpt_details,
-        WP_Query $WP_Query,
-        CurrentPage $current_page,
-        RequestInterface $request,
-        LoaderInterface $loader
-    ) {
-        $this->loader = $loader;
-        $this->request = $request;
-        $this->current_page = $current_page;
-        $this->setWpQuery($WP_Query);
-        $this->setPostType($post_type);
-        $this->setCptDetails($cpt_details);
-        $this->init();
-    }
-
-
-    /**
-     * @return string
-     */
-    public function postType()
-    {
-        return $this->post_type;
-    }
-
-
-    /**
-     * @param string $post_type
-     */
-    protected function setPostType($post_type)
-    {
-        $this->post_type = $post_type;
-    }
-
-
-    /**
-     * @return array
-     */
-    public function cptDetails()
-    {
-        return $this->cpt_details;
-    }
-
-
-    /**
-     * @param array $cpt_details
-     */
-    protected function setCptDetails($cpt_details)
-    {
-        $this->cpt_details = $cpt_details;
-    }
-
-
-    /**
-     * @return EE_Table_Base[]
-     */
-    public function modelTables()
-    {
-        return $this->model_tables;
-    }
-
-
-    /**
-     * @param EE_Table_Base[] $model_tables
-     */
-    protected function setModelTables($model_tables)
-    {
-        $this->model_tables = $model_tables;
-    }
-
-
-    /**
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public function taxonomies()
-    {
-        if (empty($this->taxonomies)) {
-            $this->initializeTaxonomies();
-        }
-        return $this->taxonomies;
-    }
-
-
-    /**
-     * @param array $taxonomies
-     */
-    protected function setTaxonomies(array $taxonomies)
-    {
-        $this->taxonomies = $taxonomies;
-    }
-
-
-    /**
-     * @return EE_Secondary_Table
-     */
-    public function metaTable()
-    {
-        return $this->meta_table;
-    }
-
-
-    /**
-     * @param EE_Secondary_Table $meta_table
-     */
-    public function setMetaTable(EE_Secondary_Table $meta_table)
-    {
-        $this->meta_table = $meta_table;
-    }
-
-
-    /**
-     * @return EEM_Base
-     */
-    public function model()
-    {
-        return $this->model;
-    }
-
-
-    /**
-     * @param EEM_Base $CPT_model
-     */
-    protected function setModel(EEM_Base $CPT_model)
-    {
-        $this->model = $CPT_model;
-    }
-
-
-    /**
-     * @deprecated 4.9.63.p
-     * @return EE_Request_Handler
-     */
-    public function request()
-    {
-        if (! $this->request_handler instanceof EE_Request_Handler) {
-            $this->request_handler = LoaderFactory::getLoader()->getShared('EE_Request_Handler');
-        }
-        return $this->request_handler;
-    }
-
-
-
-    // phpcs:disable PSR1.Methods.CamelCapsMethodName.NotCamelCaps
-
-
-    /**
-     * @return WP_Query
-     */
-    public function WpQuery()
-    {
-        return $this->wp_query;
-    }
-    // phpcs:enable
-
-
-    /**
-     * @param WP_Query $wp_query
-     */
-    public function setWpQuery(WP_Query $wp_query)
-    {
-        $this->wp_query = $wp_query;
-    }
-
-
-    /**
-     * @return void
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    protected function initializeTaxonomies()
-    {
-        // check if taxonomies have already been set and that this CPT has taxonomies registered for it
-        if (
-            empty($this->taxonomies)
-            && isset($this->cpt_details['args']['taxonomies'])
-        ) {
-            // if so then grab them, but we want the taxonomy name as the key
-            $taxonomies = array_flip($this->cpt_details['args']['taxonomies']);
-            // then grab the list of ALL taxonomies
-            /** @var CustomTaxonomyDefinitions
-             * $taxonomy_definitions
-             */
-            $taxonomy_definitions = $this->loader->getShared(
-                'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions'
-            );
-            $all_taxonomies = $taxonomy_definitions->getCustomTaxonomyDefinitions();
-            foreach ($taxonomies as $taxonomy => &$details) {
-                // add details to our taxonomies if they exist
-                $details = isset($all_taxonomies[ $taxonomy ])
-                    ? $all_taxonomies[ $taxonomy ]
-                    : array();
-            }
-            // ALWAYS unset() variables that were passed by reference
-            unset($details);
-            $this->setTaxonomies($taxonomies);
-        }
-    }
-
-
-    /**
-     * @since 4.9.63.p
-     * @throws EE_Error
-     */
-    protected function init()
-    {
-        $this->setAdditionalCptDetails();
-        $this->setRequestVarsIfCpt();
-        // convert post_type to model name
-        $model_name = str_replace('EE_', '', $this->cpt_details['class_name']);
-        // load all tables related to CPT
-        $this->setupModelsAndTables($model_name);
-        // load and instantiate CPT_*_Strategy
-        $CPT_Strategy = $this->cptStrategyClass($model_name);
-        // !!!!!!!!!!  IMPORTANT !!!!!!!!!!!!
-        // here's the list of available filters in the WP_Query object
-        // 'posts_where_paged'
-        // 'posts_groupby'
-        // 'posts_join_paged'
-        // 'posts_orderby'
-        // 'posts_distinct'
-        // 'post_limits'
-        // 'posts_fields'
-        // 'posts_join'
-        add_filter('posts_fields', array($this, 'postsFields'));
-        add_filter('posts_join', array($this, 'postsJoin'));
-        add_filter(
-            'get_' . $this->post_type . '_metadata',
-            array($CPT_Strategy, 'get_EE_post_type_metadata'),
-            1,
-            4
-        );
-        add_filter('the_posts', array($this, 'thePosts'), 1, 1);
-        if ($this->wp_query->is_main_query()) {
-            add_filter('get_edit_post_link', array($this, 'getEditPostLink'), 10, 2);
-            $this->addTemplateFilters();
-        }
-    }
-
-
-    /**
-     * sets some basic query vars that pertain to the CPT
-     *
-     * @access protected
-     * @return void
-     */
-    protected function setAdditionalCptDetails()
-    {
-        // the post or category or term that is triggering EE
-        $this->cpt_details['espresso_page'] = $this->current_page->isEspressoPage();
-        // requested post name
-        $this->cpt_details['post_name'] = $this->request->getRequestParam('post_name');
-        // add support for viewing 'private', 'draft', or 'pending' posts
-        if (
-            isset($this->wp_query->query_vars['p'])
-            && $this->wp_query->query_vars['p'] !== 0
-            && is_user_logged_in()
-            && current_user_can('edit_post', $this->wp_query->query_vars['p'])
-        ) {
-            // we can just inject directly into the WP_Query object
-            $this->wp_query->query['post_status'] = array('publish', 'private', 'draft', 'pending');
-            // now set the main 'ee' request var so that the appropriate module can load the appropriate template(s)
-            $this->request->setRequestParam('ee', $this->cpt_details['singular_slug']);
-        }
-    }
-
-
-    /**
-     * Checks if we're on a EE-CPT archive-or-single page, and if we've never set the EE request var.
-     * If so, sets the 'ee' request variable
-     * so other parts of EE can know what CPT is getting queried.
-     * To Mike's knowledge, this must be called from during or after the pre_get_posts hook
-     * in order for is_archive() and is_single() methods to work properly.
-     *
-     * @return void
-     */
-    public function setRequestVarsIfCpt()
-    {
-        // check if ee action var has been set
-        if (! $this->request->requestParamIsSet('ee')) {
-            // check that route exists for CPT archive slug
-            if (is_archive() && EE_Config::get_route($this->cpt_details['plural_slug'])) {
-                // ie: set "ee" to "events"
-                $this->request->setRequestParam('ee', $this->cpt_details['plural_slug']);
-                // or does it match a single page CPT like /event/
-            } elseif (is_single() && EE_Config::get_route($this->cpt_details['singular_slug'])) {
-                // ie: set "ee" to "event"
-                $this->request->setRequestParam('ee', $this->cpt_details['singular_slug']);
-            }
-        }
-    }
-
-
-    /**
-     * setupModelsAndTables
-     *
-     * @access protected
-     * @param string $model_name
-     * @throws EE_Error
-     */
-    protected function setupModelsAndTables($model_name)
-    {
-        // get CPT table data via CPT Model
-        $full_model_name = strpos($model_name, 'EEM_') !== 0
-            ? 'EEM_' . $model_name
-            : $model_name;
-        $model = $this->loader->getShared($full_model_name);
-        if (! $model instanceof EEM_Base) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The "%1$s" model could not be loaded.',
-                        'event_espresso'
-                    ),
-                    $full_model_name
-                )
-            );
-        }
-        $this->setModel($model);
-        $this->setModelTables($this->model->get_tables());
-        $meta_model = $model_name . '_Meta';
-        // is there a Meta Table for this CPT?
-        if (
-            isset($this->cpt_details['tables'][ $meta_model ])
-            && $this->cpt_details['tables'][ $meta_model ] instanceof EE_Secondary_Table
-        ) {
-            $this->setMetaTable($this->cpt_details['tables'][ $meta_model ]);
-        }
-    }
-
-
-    /**
-     * cptStrategyClass
-     *
-     * @access protected
-     * @param  string $model_name
-     * @return string
-     */
-    protected function cptStrategyClass($model_name)
-    {
-        // creates classname like:  CPT_Event_Strategy
-        $CPT_Strategy_class_name = 'EE_CPT_' . $model_name . '_Strategy';
-        // load and instantiate
-        $CPT_Strategy = $this->loader->getShared(
-            $CPT_Strategy_class_name,
-            array('WP_Query' => $this->wp_query, 'CPT' => $this->cpt_details)
-        );
-        if ($CPT_Strategy === null) {
-            $CPT_Strategy = $this->loader->getShared(
-                'EE_CPT_Default_Strategy',
-                array('WP_Query' => $this->wp_query, 'CPT' => $this->cpt_details)
-            );
-        }
-        return $CPT_Strategy;
-    }
-
-
-    /**
-     * postsFields
-     *
-     * @access public
-     * @param  $SQL
-     * @return string
-     */
-    public function postsFields($SQL)
-    {
-        // does this CPT have a meta table ?
-        if ($this->meta_table instanceof EE_Secondary_Table) {
-            // adds something like ", wp_esp_event_meta.* " to WP Query SELECT statement
-            $SQL .= ', ' . $this->meta_table->get_table_name() . '.* ';
-        }
-        remove_filter('posts_fields', array($this, 'postsFields'));
-        return $SQL;
-    }
-
-
-    /**
-     * postsJoin
-     *
-     * @access public
-     * @param  $SQL
-     * @return string
-     */
-    public function postsJoin($SQL)
-    {
-        // does this CPT have a meta table ?
-        if ($this->meta_table instanceof EE_Secondary_Table) {
-            global $wpdb;
-            // adds something like " LEFT JOIN wp_esp_event_meta ON ( wp_esp_event_meta.EVT_ID = wp_posts.ID ) " to WP Query JOIN statement
-            $SQL .= ' LEFT JOIN '
-                    . $this->meta_table->get_table_name()
-                    . ' ON ( '
-                    . $this->meta_table->get_table_name()
-                    . '.'
-                    . $this->meta_table->get_fk_on_table()
-                    . ' = '
-                    . $wpdb->posts
-                    . '.ID ) ';
-        }
-        remove_filter('posts_join', array($this, 'postsJoin'));
-        return $SQL;
-    }
-
-
-    /**
-     * thePosts
-     *
-     * @access public
-     * @param  WP_Post[] $posts
-     * @return WP_Post[]
-     */
-    public function thePosts($posts)
-    {
-        $CPT_class = $this->cpt_details['class_name'];
-        // loop thru posts
-        if (is_array($posts) && $this->model instanceof EEM_CPT_Base) {
-            foreach ($posts as $post) {
-                if ($post->post_type === $this->post_type) {
-                    $post->{$CPT_class} = $this->model->instantiate_class_from_post_object($post);
-                }
-            }
-        }
-        remove_filter('the_posts', array($this, 'thePosts'), 1);
-        return $posts;
-    }
-
-
-    /**
-     * @param $url
-     * @param $ID
-     * @return string
-     */
-    public function getEditPostLink($url, $ID)
-    {
-        // need to make sure we only edit links if our cpt
-        global $post;
-        // notice if the cpt is registered with `show_ee_ui` set to false, we take that to mean that the WordPress core ui
-        // for interacting with the CPT is desired and there is no EE UI for interacting with the CPT in the admin.
-        if (
-            ! $post instanceof WP_Post
-            || $post->post_type !== $this->post_type
-            || (
-                isset($this->cpt_details['args']['show_ee_ui'])
-                && ! $this->cpt_details['args']['show_ee_ui']
-            )
-        ) {
-            return $url;
-        }
-        // k made it here so all is good.
-        return wp_nonce_url(
-            add_query_arg(
-                array('page' => $this->post_type, 'post' => $ID, 'action' => 'edit'),
-                admin_url('admin.php')
-            ),
-            'edit',
-            'edit_nonce'
-        );
-    }
-
-
-    /**
-     * Execute any template filters.
-     * This method is only called if in main query.
-     *
-     * @return void
-     */
-    public function addTemplateFilters()
-    {
-        // if requested cpt supports page_templates and it's the main query
-        if (! empty($this->cpt_details['args']['page_templates']) && $this->wp_query->is_main_query()) {
-            // then let's hook into the appropriate query_template hook
-            add_filter('single_template', array($this, 'singleCptTemplate'));
-        }
-    }
-
-
-    /**
-     * Callback for single_template wp filter.
-     * This is used to load the set page_template for a single ee cpt if its set.  If "default" then we load the normal
-     * hierarchy.
-     *
-     * @access public
-     * @param string $current_template Existing default template path derived for this page call.
-     * @return string the path to the full template file.
-     */
-    public function singleCptTemplate($current_template)
-    {
-        $object = get_queried_object();
-        // does this called object HAVE a page template set that is something other than the default.
-        $template = get_post_meta($object->ID, '_wp_page_template', true);
-        // exit early if default or not set or invalid path (accounts for theme changes)
-        if (
-            $template === 'default'
-            || empty($template)
-            || ! is_readable(get_stylesheet_directory() . '/' . $template)
-        ) {
-            return $current_template;
-        }
-        // made it here so we SHOULD be able to just locate the template and then return it.
-        return locate_template(array($template));
-    }
+	/**
+	 * @var CurrentPage $current_page
+	 */
+	protected $current_page;
+
+	/**
+	 * @var string $post_type
+	 */
+	protected $post_type = '';
+
+	/**
+	 * CPT details from CustomPostTypeDefinitions for specific post type
+	 *
+	 * @var array $cpt_details
+	 */
+	protected $cpt_details = array();
+
+	/**
+	 * @var EE_Table_Base[] $model_tables
+	 */
+	protected $model_tables = array();
+
+	/**
+	 * @var array $taxonomies
+	 */
+	protected $taxonomies = array();
+
+	/**
+	 * meta table for the related CPT
+	 *
+	 * @var EE_Secondary_Table $meta_table
+	 */
+	protected $meta_table;
+
+	/**
+	 * EEM_CPT_Base model for the related CPT
+	 *
+	 * @var EEM_CPT_Base $model
+	 */
+	protected $model;
+
+	/**
+	 * @var EE_Request_Handler $request_handler
+	 */
+	protected $request_handler;
+
+	/**
+	 * @var WP_Query $wp_query
+	 */
+	protected $wp_query;
+
+	/**
+	 * @var LoaderInterface $loader
+	 */
+	protected $loader;
+
+	/**
+	 * @var RequestInterface $request
+	 */
+	protected $request;
+
+
+	/**
+	 * CptQueryModifier constructor
+	 *
+	 * @param string             $post_type
+	 * @param array              $cpt_details
+	 * @param WP_Query           $WP_Query
+	 * @param CurrentPage $current_page
+	 * @param RequestInterface   $request
+	 * @param LoaderInterface    $loader
+	 * @throws EE_Error
+	 */
+	public function __construct(
+		$post_type,
+		array $cpt_details,
+		WP_Query $WP_Query,
+		CurrentPage $current_page,
+		RequestInterface $request,
+		LoaderInterface $loader
+	) {
+		$this->loader = $loader;
+		$this->request = $request;
+		$this->current_page = $current_page;
+		$this->setWpQuery($WP_Query);
+		$this->setPostType($post_type);
+		$this->setCptDetails($cpt_details);
+		$this->init();
+	}
+
+
+	/**
+	 * @return string
+	 */
+	public function postType()
+	{
+		return $this->post_type;
+	}
+
+
+	/**
+	 * @param string $post_type
+	 */
+	protected function setPostType($post_type)
+	{
+		$this->post_type = $post_type;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function cptDetails()
+	{
+		return $this->cpt_details;
+	}
+
+
+	/**
+	 * @param array $cpt_details
+	 */
+	protected function setCptDetails($cpt_details)
+	{
+		$this->cpt_details = $cpt_details;
+	}
+
+
+	/**
+	 * @return EE_Table_Base[]
+	 */
+	public function modelTables()
+	{
+		return $this->model_tables;
+	}
+
+
+	/**
+	 * @param EE_Table_Base[] $model_tables
+	 */
+	protected function setModelTables($model_tables)
+	{
+		$this->model_tables = $model_tables;
+	}
+
+
+	/**
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public function taxonomies()
+	{
+		if (empty($this->taxonomies)) {
+			$this->initializeTaxonomies();
+		}
+		return $this->taxonomies;
+	}
+
+
+	/**
+	 * @param array $taxonomies
+	 */
+	protected function setTaxonomies(array $taxonomies)
+	{
+		$this->taxonomies = $taxonomies;
+	}
+
+
+	/**
+	 * @return EE_Secondary_Table
+	 */
+	public function metaTable()
+	{
+		return $this->meta_table;
+	}
+
+
+	/**
+	 * @param EE_Secondary_Table $meta_table
+	 */
+	public function setMetaTable(EE_Secondary_Table $meta_table)
+	{
+		$this->meta_table = $meta_table;
+	}
+
+
+	/**
+	 * @return EEM_Base
+	 */
+	public function model()
+	{
+		return $this->model;
+	}
+
+
+	/**
+	 * @param EEM_Base $CPT_model
+	 */
+	protected function setModel(EEM_Base $CPT_model)
+	{
+		$this->model = $CPT_model;
+	}
+
+
+	/**
+	 * @deprecated 4.9.63.p
+	 * @return EE_Request_Handler
+	 */
+	public function request()
+	{
+		if (! $this->request_handler instanceof EE_Request_Handler) {
+			$this->request_handler = LoaderFactory::getLoader()->getShared('EE_Request_Handler');
+		}
+		return $this->request_handler;
+	}
+
+
+
+	// phpcs:disable PSR1.Methods.CamelCapsMethodName.NotCamelCaps
+
+
+	/**
+	 * @return WP_Query
+	 */
+	public function WpQuery()
+	{
+		return $this->wp_query;
+	}
+	// phpcs:enable
+
+
+	/**
+	 * @param WP_Query $wp_query
+	 */
+	public function setWpQuery(WP_Query $wp_query)
+	{
+		$this->wp_query = $wp_query;
+	}
+
+
+	/**
+	 * @return void
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	protected function initializeTaxonomies()
+	{
+		// check if taxonomies have already been set and that this CPT has taxonomies registered for it
+		if (
+			empty($this->taxonomies)
+			&& isset($this->cpt_details['args']['taxonomies'])
+		) {
+			// if so then grab them, but we want the taxonomy name as the key
+			$taxonomies = array_flip($this->cpt_details['args']['taxonomies']);
+			// then grab the list of ALL taxonomies
+			/** @var CustomTaxonomyDefinitions
+			 * $taxonomy_definitions
+			 */
+			$taxonomy_definitions = $this->loader->getShared(
+				'EventEspresso\core\domain\entities\custom_post_types\CustomTaxonomyDefinitions'
+			);
+			$all_taxonomies = $taxonomy_definitions->getCustomTaxonomyDefinitions();
+			foreach ($taxonomies as $taxonomy => &$details) {
+				// add details to our taxonomies if they exist
+				$details = isset($all_taxonomies[ $taxonomy ])
+					? $all_taxonomies[ $taxonomy ]
+					: array();
+			}
+			// ALWAYS unset() variables that were passed by reference
+			unset($details);
+			$this->setTaxonomies($taxonomies);
+		}
+	}
+
+
+	/**
+	 * @since 4.9.63.p
+	 * @throws EE_Error
+	 */
+	protected function init()
+	{
+		$this->setAdditionalCptDetails();
+		$this->setRequestVarsIfCpt();
+		// convert post_type to model name
+		$model_name = str_replace('EE_', '', $this->cpt_details['class_name']);
+		// load all tables related to CPT
+		$this->setupModelsAndTables($model_name);
+		// load and instantiate CPT_*_Strategy
+		$CPT_Strategy = $this->cptStrategyClass($model_name);
+		// !!!!!!!!!!  IMPORTANT !!!!!!!!!!!!
+		// here's the list of available filters in the WP_Query object
+		// 'posts_where_paged'
+		// 'posts_groupby'
+		// 'posts_join_paged'
+		// 'posts_orderby'
+		// 'posts_distinct'
+		// 'post_limits'
+		// 'posts_fields'
+		// 'posts_join'
+		add_filter('posts_fields', array($this, 'postsFields'));
+		add_filter('posts_join', array($this, 'postsJoin'));
+		add_filter(
+			'get_' . $this->post_type . '_metadata',
+			array($CPT_Strategy, 'get_EE_post_type_metadata'),
+			1,
+			4
+		);
+		add_filter('the_posts', array($this, 'thePosts'), 1, 1);
+		if ($this->wp_query->is_main_query()) {
+			add_filter('get_edit_post_link', array($this, 'getEditPostLink'), 10, 2);
+			$this->addTemplateFilters();
+		}
+	}
+
+
+	/**
+	 * sets some basic query vars that pertain to the CPT
+	 *
+	 * @access protected
+	 * @return void
+	 */
+	protected function setAdditionalCptDetails()
+	{
+		// the post or category or term that is triggering EE
+		$this->cpt_details['espresso_page'] = $this->current_page->isEspressoPage();
+		// requested post name
+		$this->cpt_details['post_name'] = $this->request->getRequestParam('post_name');
+		// add support for viewing 'private', 'draft', or 'pending' posts
+		if (
+			isset($this->wp_query->query_vars['p'])
+			&& $this->wp_query->query_vars['p'] !== 0
+			&& is_user_logged_in()
+			&& current_user_can('edit_post', $this->wp_query->query_vars['p'])
+		) {
+			// we can just inject directly into the WP_Query object
+			$this->wp_query->query['post_status'] = array('publish', 'private', 'draft', 'pending');
+			// now set the main 'ee' request var so that the appropriate module can load the appropriate template(s)
+			$this->request->setRequestParam('ee', $this->cpt_details['singular_slug']);
+		}
+	}
+
+
+	/**
+	 * Checks if we're on a EE-CPT archive-or-single page, and if we've never set the EE request var.
+	 * If so, sets the 'ee' request variable
+	 * so other parts of EE can know what CPT is getting queried.
+	 * To Mike's knowledge, this must be called from during or after the pre_get_posts hook
+	 * in order for is_archive() and is_single() methods to work properly.
+	 *
+	 * @return void
+	 */
+	public function setRequestVarsIfCpt()
+	{
+		// check if ee action var has been set
+		if (! $this->request->requestParamIsSet('ee')) {
+			// check that route exists for CPT archive slug
+			if (is_archive() && EE_Config::get_route($this->cpt_details['plural_slug'])) {
+				// ie: set "ee" to "events"
+				$this->request->setRequestParam('ee', $this->cpt_details['plural_slug']);
+				// or does it match a single page CPT like /event/
+			} elseif (is_single() && EE_Config::get_route($this->cpt_details['singular_slug'])) {
+				// ie: set "ee" to "event"
+				$this->request->setRequestParam('ee', $this->cpt_details['singular_slug']);
+			}
+		}
+	}
+
+
+	/**
+	 * setupModelsAndTables
+	 *
+	 * @access protected
+	 * @param string $model_name
+	 * @throws EE_Error
+	 */
+	protected function setupModelsAndTables($model_name)
+	{
+		// get CPT table data via CPT Model
+		$full_model_name = strpos($model_name, 'EEM_') !== 0
+			? 'EEM_' . $model_name
+			: $model_name;
+		$model = $this->loader->getShared($full_model_name);
+		if (! $model instanceof EEM_Base) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The "%1$s" model could not be loaded.',
+						'event_espresso'
+					),
+					$full_model_name
+				)
+			);
+		}
+		$this->setModel($model);
+		$this->setModelTables($this->model->get_tables());
+		$meta_model = $model_name . '_Meta';
+		// is there a Meta Table for this CPT?
+		if (
+			isset($this->cpt_details['tables'][ $meta_model ])
+			&& $this->cpt_details['tables'][ $meta_model ] instanceof EE_Secondary_Table
+		) {
+			$this->setMetaTable($this->cpt_details['tables'][ $meta_model ]);
+		}
+	}
+
+
+	/**
+	 * cptStrategyClass
+	 *
+	 * @access protected
+	 * @param  string $model_name
+	 * @return string
+	 */
+	protected function cptStrategyClass($model_name)
+	{
+		// creates classname like:  CPT_Event_Strategy
+		$CPT_Strategy_class_name = 'EE_CPT_' . $model_name . '_Strategy';
+		// load and instantiate
+		$CPT_Strategy = $this->loader->getShared(
+			$CPT_Strategy_class_name,
+			array('WP_Query' => $this->wp_query, 'CPT' => $this->cpt_details)
+		);
+		if ($CPT_Strategy === null) {
+			$CPT_Strategy = $this->loader->getShared(
+				'EE_CPT_Default_Strategy',
+				array('WP_Query' => $this->wp_query, 'CPT' => $this->cpt_details)
+			);
+		}
+		return $CPT_Strategy;
+	}
+
+
+	/**
+	 * postsFields
+	 *
+	 * @access public
+	 * @param  $SQL
+	 * @return string
+	 */
+	public function postsFields($SQL)
+	{
+		// does this CPT have a meta table ?
+		if ($this->meta_table instanceof EE_Secondary_Table) {
+			// adds something like ", wp_esp_event_meta.* " to WP Query SELECT statement
+			$SQL .= ', ' . $this->meta_table->get_table_name() . '.* ';
+		}
+		remove_filter('posts_fields', array($this, 'postsFields'));
+		return $SQL;
+	}
+
+
+	/**
+	 * postsJoin
+	 *
+	 * @access public
+	 * @param  $SQL
+	 * @return string
+	 */
+	public function postsJoin($SQL)
+	{
+		// does this CPT have a meta table ?
+		if ($this->meta_table instanceof EE_Secondary_Table) {
+			global $wpdb;
+			// adds something like " LEFT JOIN wp_esp_event_meta ON ( wp_esp_event_meta.EVT_ID = wp_posts.ID ) " to WP Query JOIN statement
+			$SQL .= ' LEFT JOIN '
+					. $this->meta_table->get_table_name()
+					. ' ON ( '
+					. $this->meta_table->get_table_name()
+					. '.'
+					. $this->meta_table->get_fk_on_table()
+					. ' = '
+					. $wpdb->posts
+					. '.ID ) ';
+		}
+		remove_filter('posts_join', array($this, 'postsJoin'));
+		return $SQL;
+	}
+
+
+	/**
+	 * thePosts
+	 *
+	 * @access public
+	 * @param  WP_Post[] $posts
+	 * @return WP_Post[]
+	 */
+	public function thePosts($posts)
+	{
+		$CPT_class = $this->cpt_details['class_name'];
+		// loop thru posts
+		if (is_array($posts) && $this->model instanceof EEM_CPT_Base) {
+			foreach ($posts as $post) {
+				if ($post->post_type === $this->post_type) {
+					$post->{$CPT_class} = $this->model->instantiate_class_from_post_object($post);
+				}
+			}
+		}
+		remove_filter('the_posts', array($this, 'thePosts'), 1);
+		return $posts;
+	}
+
+
+	/**
+	 * @param $url
+	 * @param $ID
+	 * @return string
+	 */
+	public function getEditPostLink($url, $ID)
+	{
+		// need to make sure we only edit links if our cpt
+		global $post;
+		// notice if the cpt is registered with `show_ee_ui` set to false, we take that to mean that the WordPress core ui
+		// for interacting with the CPT is desired and there is no EE UI for interacting with the CPT in the admin.
+		if (
+			! $post instanceof WP_Post
+			|| $post->post_type !== $this->post_type
+			|| (
+				isset($this->cpt_details['args']['show_ee_ui'])
+				&& ! $this->cpt_details['args']['show_ee_ui']
+			)
+		) {
+			return $url;
+		}
+		// k made it here so all is good.
+		return wp_nonce_url(
+			add_query_arg(
+				array('page' => $this->post_type, 'post' => $ID, 'action' => 'edit'),
+				admin_url('admin.php')
+			),
+			'edit',
+			'edit_nonce'
+		);
+	}
+
+
+	/**
+	 * Execute any template filters.
+	 * This method is only called if in main query.
+	 *
+	 * @return void
+	 */
+	public function addTemplateFilters()
+	{
+		// if requested cpt supports page_templates and it's the main query
+		if (! empty($this->cpt_details['args']['page_templates']) && $this->wp_query->is_main_query()) {
+			// then let's hook into the appropriate query_template hook
+			add_filter('single_template', array($this, 'singleCptTemplate'));
+		}
+	}
+
+
+	/**
+	 * Callback for single_template wp filter.
+	 * This is used to load the set page_template for a single ee cpt if its set.  If "default" then we load the normal
+	 * hierarchy.
+	 *
+	 * @access public
+	 * @param string $current_template Existing default template path derived for this page call.
+	 * @return string the path to the full template file.
+	 */
+	public function singleCptTemplate($current_template)
+	{
+		$object = get_queried_object();
+		// does this called object HAVE a page template set that is something other than the default.
+		$template = get_post_meta($object->ID, '_wp_page_template', true);
+		// exit early if default or not set or invalid path (accounts for theme changes)
+		if (
+			$template === 'default'
+			|| empty($template)
+			|| ! is_readable(get_stylesheet_directory() . '/' . $template)
+		) {
+			return $current_template;
+		}
+		// made it here so we SHOULD be able to just locate the template and then return it.
+		return locate_template(array($template));
+	}
 }

Spacing +15 added lines, -15 removed lines

@@ -241,7 +241,7 @@ 
      */
     public function request()
     {
-        if (! $this->request_handler instanceof EE_Request_Handler) {
+        if ( ! $this->request_handler instanceof EE_Request_Handler) {
             $this->request_handler = LoaderFactory::getLoader()->getShared('EE_Request_Handler');
         }
         return $this->request_handler;
@@ -296,8 +296,8 @@ 
             $all_taxonomies = $taxonomy_definitions->getCustomTaxonomyDefinitions();
             foreach ($taxonomies as $taxonomy => &$details) {
                 // add details to our taxonomies if they exist
-                $details = isset($all_taxonomies[ $taxonomy ])
-                    ? $all_taxonomies[ $taxonomy ]
+                $details = isset($all_taxonomies[$taxonomy])
+                    ? $all_taxonomies[$taxonomy]
                     : array();
             }
             // ALWAYS unset() variables that were passed by reference
@@ -334,7 +334,7 @@ 
         add_filter('posts_fields', array($this, 'postsFields'));
         add_filter('posts_join', array($this, 'postsJoin'));
         add_filter(
-            'get_' . $this->post_type . '_metadata',
+            'get_'.$this->post_type.'_metadata',
             array($CPT_Strategy, 'get_EE_post_type_metadata'),
             1,
             4
@@ -386,7 +386,7 @@ 
     public function setRequestVarsIfCpt()
     {
         // check if ee action var has been set
-        if (! $this->request->requestParamIsSet('ee')) {
+        if ( ! $this->request->requestParamIsSet('ee')) {
             // check that route exists for CPT archive slug
             if (is_archive() && EE_Config::get_route($this->cpt_details['plural_slug'])) {
                 // ie: set "ee" to "events"
@@ -411,10 +411,10 @@ 
     {
         // get CPT table data via CPT Model
         $full_model_name = strpos($model_name, 'EEM_') !== 0
-            ? 'EEM_' . $model_name
+            ? 'EEM_'.$model_name
             : $model_name;
         $model = $this->loader->getShared($full_model_name);
-        if (! $model instanceof EEM_Base) {
+        if ( ! $model instanceof EEM_Base) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -427,13 +427,13 @@ 
         }
         $this->setModel($model);
         $this->setModelTables($this->model->get_tables());
-        $meta_model = $model_name . '_Meta';
+        $meta_model = $model_name.'_Meta';
         // is there a Meta Table for this CPT?
         if (
-            isset($this->cpt_details['tables'][ $meta_model ])
-            && $this->cpt_details['tables'][ $meta_model ] instanceof EE_Secondary_Table
+            isset($this->cpt_details['tables'][$meta_model])
+            && $this->cpt_details['tables'][$meta_model] instanceof EE_Secondary_Table
         ) {
-            $this->setMetaTable($this->cpt_details['tables'][ $meta_model ]);
+            $this->setMetaTable($this->cpt_details['tables'][$meta_model]);
         }
     }
 
@@ -448,7 +448,7 @@ 
     protected function cptStrategyClass($model_name)
     {
         // creates classname like:  CPT_Event_Strategy
-        $CPT_Strategy_class_name = 'EE_CPT_' . $model_name . '_Strategy';
+        $CPT_Strategy_class_name = 'EE_CPT_'.$model_name.'_Strategy';
         // load and instantiate
         $CPT_Strategy = $this->loader->getShared(
             $CPT_Strategy_class_name,
@@ -476,7 +476,7 @@ 
         // does this CPT have a meta table ?
         if ($this->meta_table instanceof EE_Secondary_Table) {
             // adds something like ", wp_esp_event_meta.* " to WP Query SELECT statement
-            $SQL .= ', ' . $this->meta_table->get_table_name() . '.* ';
+            $SQL .= ', '.$this->meta_table->get_table_name().'.* ';
         }
         remove_filter('posts_fields', array($this, 'postsFields'));
         return $SQL;
@@ -576,7 +576,7 @@ 
     public function addTemplateFilters()
     {
         // if requested cpt supports page_templates and it's the main query
-        if (! empty($this->cpt_details['args']['page_templates']) && $this->wp_query->is_main_query()) {
+        if ( ! empty($this->cpt_details['args']['page_templates']) && $this->wp_query->is_main_query()) {
             // then let's hook into the appropriate query_template hook
             add_filter('single_template', array($this, 'singleCptTemplate'));
         }
@@ -601,7 +601,7 @@ 
         if (
             $template === 'default'
             || empty($template)
-            || ! is_readable(get_stylesheet_directory() . '/' . $template)
+            || ! is_readable(get_stylesheet_directory().'/'.$template)
         ) {
             return $current_template;
         }

core/EE_Cron_Tasks.core.php

Indentation +600 added lines, -600 removed lines

@@ -15,607 +15,607 @@
 class EE_Cron_Tasks extends EE_Base
 {
 
-    /**
-     * WordPress doesn't allow duplicate crons within 10 minutes of the original,
-     * so we'll set our retry time for just over 10 minutes to avoid that
-     */
-    const reschedule_timeout = 605;
-
-
-    /**
-     * @var EE_Cron_Tasks
-     */
-    private static $_instance;
-
-
-    /**
-     * @return EE_Cron_Tasks
-     * @throws ReflectionException
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidInterfaceException
-     * @throws InvalidDataTypeException
-     */
-    public static function instance()
-    {
-        if (! self::$_instance instanceof EE_Cron_Tasks) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-    /**
-     * @access private
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    private function __construct()
-    {
-        do_action('AHEE_log', __CLASS__, __FUNCTION__);
-        // verify that WP Cron is enabled
-        if (
-            defined('DISABLE_WP_CRON')
-            && DISABLE_WP_CRON
-            && is_admin()
-            && ! get_option('ee_disabled_wp_cron_check')
-        ) {
-            /**
-             * This needs to be delayed until after the config is loaded because EE_Cron_Tasks is constructed before
-             * config is loaded.
-             * This is intentionally using a anonymous function so that its not easily de-registered.  Client code
-             * wanting to not have this functionality can just register its own action at a priority after this one to
-             * reverse any changes.
-             */
-            add_action(
-                'AHEE__EE_System__load_core_configuration__complete',
-                function () {
-                    EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request = true;
-                    EE_Registry::instance()->NET_CFG->update_config(true, false);
-                    add_option('ee_disabled_wp_cron_check', 1, '', false);
-                }
-            );
-        }
-        // UPDATE TRANSACTION WITH PAYMENT
-        add_action(
-            'AHEE__EE_Cron_Tasks__update_transaction_with_payment_2',
-            array('EE_Cron_Tasks', 'setup_update_for_transaction_with_payment'),
-            10,
-            2
-        );
-        // ABANDONED / EXPIRED TRANSACTION CHECK
-        add_action(
-            'AHEE__EE_Cron_Tasks__expired_transaction_check',
-            array('EE_Cron_Tasks', 'expired_transaction_check'),
-            10,
-            1
-        );
-        // CLEAN OUT JUNK TRANSACTIONS AND RELATED DATA
-        add_action(
-            'AHEE__EE_Cron_Tasks__clean_up_junk_transactions',
-            array('EE_Cron_Tasks', 'clean_out_junk_transactions')
-        );
-        // logging
-        add_action(
-            'AHEE__EE_System__load_core_configuration__complete',
-            array('EE_Cron_Tasks', 'log_scheduled_ee_crons')
-        );
-        EE_Registry::instance()->load_lib('Messages_Scheduler');
-        // clean out old gateway logs
-        add_action(
-            'AHEE_EE_Cron_Tasks__clean_out_old_gateway_logs',
-            array('EE_Cron_Tasks', 'clean_out_old_gateway_logs')
-        );
-    }
-
-
-    /**
-     * @access protected
-     * @return void
-     */
-    public static function log_scheduled_ee_crons()
-    {
-        $ee_crons = array(
-            'AHEE__EE_Cron_Tasks__update_transaction_with_payment',
-            'AHEE__EE_Cron_Tasks__finalize_abandoned_transactions',
-            'AHEE__EE_Cron_Tasks__clean_up_junk_transactions',
-        );
-        $crons = (array) get_option('cron');
-        if (! is_array($crons)) {
-            return;
-        }
-        foreach ($crons as $timestamp => $cron) {
-            /** @var array[] $cron */
-            foreach ($ee_crons as $ee_cron) {
-                if (isset($cron[ $ee_cron ]) && is_array($cron[ $ee_cron ])) {
-                    do_action('AHEE_log', __CLASS__, __FUNCTION__, $ee_cron, 'scheduled EE cron');
-                    foreach ($cron[ $ee_cron ] as $ee_cron_details) {
-                        if (! empty($ee_cron_details['args'])) {
-                            do_action(
-                                'AHEE_log',
-                                __CLASS__,
-                                __FUNCTION__,
-                                print_r($ee_cron_details['args'], true),
-                                "{$ee_cron} args"
-                            );
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-
-    /**
-     * reschedule_cron_for_transactions_if_maintenance_mode
-     * if Maintenance Mode is active, this will reschedule a cron to run again in 10 minutes
-     *
-     * @param string $cron_task
-     * @param array  $TXN_IDs
-     * @return bool
-     * @throws DomainException
-     */
-    public static function reschedule_cron_for_transactions_if_maintenance_mode($cron_task, array $TXN_IDs)
-    {
-        if (! method_exists('EE_Cron_Tasks', $cron_task)) {
-            throw new DomainException(
-                sprintf(
-                    esc_html__('"%1$s" is not valid method on EE_Cron_Tasks.', 'event_espresso'),
-                    $cron_task
-                )
-            );
-        }
-        // reschedule the cron if we can't hit the db right now
-        if (! EE_Maintenance_Mode::instance()->models_can_query()) {
-            foreach ($TXN_IDs as $TXN_ID => $additional_vars) {
-                // ensure $additional_vars is an array
-                $additional_vars = is_array($additional_vars) ? $additional_vars : array($additional_vars);
-                // reset cron job for the TXN
-                call_user_func_array(
-                    array('EE_Cron_Tasks', $cron_task),
-                    array_merge(
-                        array(
-                            time() + (10 * MINUTE_IN_SECONDS),
-                            $TXN_ID,
-                        ),
-                        $additional_vars
-                    )
-                );
-            }
-            return true;
-        }
-        return false;
-    }
-
-
-
-
-    /****************  UPDATE TRANSACTION WITH PAYMENT ****************/
-
-
-    /**
-     * array of TXN IDs and the payment
-     *
-     * @var array
-     */
-    protected static $_update_transactions_with_payment = array();
-
-
-    /**
-     * schedule_update_transaction_with_payment
-     * sets a wp_schedule_single_event() for updating any TXNs that may
-     * require updating due to recently received payments
-     *
-     * @param int $timestamp
-     * @param int $TXN_ID
-     * @param int $PAY_ID
-     */
-    public static function schedule_update_transaction_with_payment(
-        $timestamp,
-        $TXN_ID,
-        $PAY_ID
-    ) {
-        do_action('AHEE_log', __CLASS__, __FUNCTION__);
-        // validate $TXN_ID and $timestamp
-        $TXN_ID = absint($TXN_ID);
-        $timestamp = absint($timestamp);
-        if ($TXN_ID && $timestamp) {
-            wp_schedule_single_event(
-                $timestamp,
-                'AHEE__EE_Cron_Tasks__update_transaction_with_payment_2',
-                array($TXN_ID, $PAY_ID)
-            );
-        }
-    }
-
-
-    /**
-     * setup_update_for_transaction_with_payment
-     * this is the callback for the action hook:
-     * 'AHEE__EE_Cron_Tasks__update_transaction_with_payment'
-     * which is setup by EE_Cron_Tasks::schedule_update_transaction_with_payment().
-     * The passed TXN_ID and associated payment gets added to an array, and then
-     * the EE_Cron_Tasks::update_transaction_with_payment() function is hooked into
-     * 'shutdown' which will actually handle the processing of any
-     * transactions requiring updating, because doing so now would be too early
-     * and the required resources may not be available
-     *
-     * @param int $TXN_ID
-     * @param int $PAY_ID
-     */
-    public static function setup_update_for_transaction_with_payment($TXN_ID = 0, $PAY_ID = 0)
-    {
-        do_action('AHEE_log', __CLASS__, __FUNCTION__, $TXN_ID, '$TXN_ID');
-        if (absint($TXN_ID)) {
-            self::$_update_transactions_with_payment[ $TXN_ID ] = $PAY_ID;
-            add_action(
-                'shutdown',
-                array('EE_Cron_Tasks', 'update_transaction_with_payment'),
-                5
-            );
-        }
-    }
-
-
-    /**
-     * update_transaction_with_payment
-     * loops through the self::$_abandoned_transactions array
-     * and attempts to finalize any TXNs that have not been completed
-     * but have had their sessions expired, most likely due to a user not
-     * returning from an off-site payment gateway
-     *
-     * @throws EE_Error
-     * @throws DomainException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public static function update_transaction_with_payment()
-    {
-        do_action('AHEE_log', __CLASS__, __FUNCTION__);
-        if (
+	/**
+	 * WordPress doesn't allow duplicate crons within 10 minutes of the original,
+	 * so we'll set our retry time for just over 10 minutes to avoid that
+	 */
+	const reschedule_timeout = 605;
+
+
+	/**
+	 * @var EE_Cron_Tasks
+	 */
+	private static $_instance;
+
+
+	/**
+	 * @return EE_Cron_Tasks
+	 * @throws ReflectionException
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidDataTypeException
+	 */
+	public static function instance()
+	{
+		if (! self::$_instance instanceof EE_Cron_Tasks) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+	/**
+	 * @access private
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	private function __construct()
+	{
+		do_action('AHEE_log', __CLASS__, __FUNCTION__);
+		// verify that WP Cron is enabled
+		if (
+			defined('DISABLE_WP_CRON')
+			&& DISABLE_WP_CRON
+			&& is_admin()
+			&& ! get_option('ee_disabled_wp_cron_check')
+		) {
+			/**
+			 * This needs to be delayed until after the config is loaded because EE_Cron_Tasks is constructed before
+			 * config is loaded.
+			 * This is intentionally using a anonymous function so that its not easily de-registered.  Client code
+			 * wanting to not have this functionality can just register its own action at a priority after this one to
+			 * reverse any changes.
+			 */
+			add_action(
+				'AHEE__EE_System__load_core_configuration__complete',
+				function () {
+					EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request = true;
+					EE_Registry::instance()->NET_CFG->update_config(true, false);
+					add_option('ee_disabled_wp_cron_check', 1, '', false);
+				}
+			);
+		}
+		// UPDATE TRANSACTION WITH PAYMENT
+		add_action(
+			'AHEE__EE_Cron_Tasks__update_transaction_with_payment_2',
+			array('EE_Cron_Tasks', 'setup_update_for_transaction_with_payment'),
+			10,
+			2
+		);
+		// ABANDONED / EXPIRED TRANSACTION CHECK
+		add_action(
+			'AHEE__EE_Cron_Tasks__expired_transaction_check',
+			array('EE_Cron_Tasks', 'expired_transaction_check'),
+			10,
+			1
+		);
+		// CLEAN OUT JUNK TRANSACTIONS AND RELATED DATA
+		add_action(
+			'AHEE__EE_Cron_Tasks__clean_up_junk_transactions',
+			array('EE_Cron_Tasks', 'clean_out_junk_transactions')
+		);
+		// logging
+		add_action(
+			'AHEE__EE_System__load_core_configuration__complete',
+			array('EE_Cron_Tasks', 'log_scheduled_ee_crons')
+		);
+		EE_Registry::instance()->load_lib('Messages_Scheduler');
+		// clean out old gateway logs
+		add_action(
+			'AHEE_EE_Cron_Tasks__clean_out_old_gateway_logs',
+			array('EE_Cron_Tasks', 'clean_out_old_gateway_logs')
+		);
+	}
+
+
+	/**
+	 * @access protected
+	 * @return void
+	 */
+	public static function log_scheduled_ee_crons()
+	{
+		$ee_crons = array(
+			'AHEE__EE_Cron_Tasks__update_transaction_with_payment',
+			'AHEE__EE_Cron_Tasks__finalize_abandoned_transactions',
+			'AHEE__EE_Cron_Tasks__clean_up_junk_transactions',
+		);
+		$crons = (array) get_option('cron');
+		if (! is_array($crons)) {
+			return;
+		}
+		foreach ($crons as $timestamp => $cron) {
+			/** @var array[] $cron */
+			foreach ($ee_crons as $ee_cron) {
+				if (isset($cron[ $ee_cron ]) && is_array($cron[ $ee_cron ])) {
+					do_action('AHEE_log', __CLASS__, __FUNCTION__, $ee_cron, 'scheduled EE cron');
+					foreach ($cron[ $ee_cron ] as $ee_cron_details) {
+						if (! empty($ee_cron_details['args'])) {
+							do_action(
+								'AHEE_log',
+								__CLASS__,
+								__FUNCTION__,
+								print_r($ee_cron_details['args'], true),
+								"{$ee_cron} args"
+							);
+						}
+					}
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * reschedule_cron_for_transactions_if_maintenance_mode
+	 * if Maintenance Mode is active, this will reschedule a cron to run again in 10 minutes
+	 *
+	 * @param string $cron_task
+	 * @param array  $TXN_IDs
+	 * @return bool
+	 * @throws DomainException
+	 */
+	public static function reschedule_cron_for_transactions_if_maintenance_mode($cron_task, array $TXN_IDs)
+	{
+		if (! method_exists('EE_Cron_Tasks', $cron_task)) {
+			throw new DomainException(
+				sprintf(
+					esc_html__('"%1$s" is not valid method on EE_Cron_Tasks.', 'event_espresso'),
+					$cron_task
+				)
+			);
+		}
+		// reschedule the cron if we can't hit the db right now
+		if (! EE_Maintenance_Mode::instance()->models_can_query()) {
+			foreach ($TXN_IDs as $TXN_ID => $additional_vars) {
+				// ensure $additional_vars is an array
+				$additional_vars = is_array($additional_vars) ? $additional_vars : array($additional_vars);
+				// reset cron job for the TXN
+				call_user_func_array(
+					array('EE_Cron_Tasks', $cron_task),
+					array_merge(
+						array(
+							time() + (10 * MINUTE_IN_SECONDS),
+							$TXN_ID,
+						),
+						$additional_vars
+					)
+				);
+			}
+			return true;
+		}
+		return false;
+	}
+
+
+
+
+	/****************  UPDATE TRANSACTION WITH PAYMENT ****************/
+
+
+	/**
+	 * array of TXN IDs and the payment
+	 *
+	 * @var array
+	 */
+	protected static $_update_transactions_with_payment = array();
+
+
+	/**
+	 * schedule_update_transaction_with_payment
+	 * sets a wp_schedule_single_event() for updating any TXNs that may
+	 * require updating due to recently received payments
+	 *
+	 * @param int $timestamp
+	 * @param int $TXN_ID
+	 * @param int $PAY_ID
+	 */
+	public static function schedule_update_transaction_with_payment(
+		$timestamp,
+		$TXN_ID,
+		$PAY_ID
+	) {
+		do_action('AHEE_log', __CLASS__, __FUNCTION__);
+		// validate $TXN_ID and $timestamp
+		$TXN_ID = absint($TXN_ID);
+		$timestamp = absint($timestamp);
+		if ($TXN_ID && $timestamp) {
+			wp_schedule_single_event(
+				$timestamp,
+				'AHEE__EE_Cron_Tasks__update_transaction_with_payment_2',
+				array($TXN_ID, $PAY_ID)
+			);
+		}
+	}
+
+
+	/**
+	 * setup_update_for_transaction_with_payment
+	 * this is the callback for the action hook:
+	 * 'AHEE__EE_Cron_Tasks__update_transaction_with_payment'
+	 * which is setup by EE_Cron_Tasks::schedule_update_transaction_with_payment().
+	 * The passed TXN_ID and associated payment gets added to an array, and then
+	 * the EE_Cron_Tasks::update_transaction_with_payment() function is hooked into
+	 * 'shutdown' which will actually handle the processing of any
+	 * transactions requiring updating, because doing so now would be too early
+	 * and the required resources may not be available
+	 *
+	 * @param int $TXN_ID
+	 * @param int $PAY_ID
+	 */
+	public static function setup_update_for_transaction_with_payment($TXN_ID = 0, $PAY_ID = 0)
+	{
+		do_action('AHEE_log', __CLASS__, __FUNCTION__, $TXN_ID, '$TXN_ID');
+		if (absint($TXN_ID)) {
+			self::$_update_transactions_with_payment[ $TXN_ID ] = $PAY_ID;
+			add_action(
+				'shutdown',
+				array('EE_Cron_Tasks', 'update_transaction_with_payment'),
+				5
+			);
+		}
+	}
+
+
+	/**
+	 * update_transaction_with_payment
+	 * loops through the self::$_abandoned_transactions array
+	 * and attempts to finalize any TXNs that have not been completed
+	 * but have had their sessions expired, most likely due to a user not
+	 * returning from an off-site payment gateway
+	 *
+	 * @throws EE_Error
+	 * @throws DomainException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public static function update_transaction_with_payment()
+	{
+		do_action('AHEE_log', __CLASS__, __FUNCTION__);
+		if (
 // are there any TXNs that need cleaning up ?
-            empty(self::$_update_transactions_with_payment)
-            // reschedule the cron if we can't hit the db right now
-            || EE_Cron_Tasks::reschedule_cron_for_transactions_if_maintenance_mode(
-                'schedule_update_transaction_with_payment',
-                self::$_update_transactions_with_payment
-            )
-        ) {
-            return;
-        }
-        /** @type EE_Payment_Processor $payment_processor */
-        $payment_processor = EE_Registry::instance()->load_core('Payment_Processor');
-        // set revisit flag for payment processor
-        $payment_processor->set_revisit();
-        // load EEM_Transaction
-        EE_Registry::instance()->load_model('Transaction');
-        foreach (self::$_update_transactions_with_payment as $TXN_ID => $PAY_ID) {
-            // reschedule the cron if we can't hit the db right now
-            if (! EE_Maintenance_Mode::instance()->models_can_query()) {
-                // reset cron job for updating the TXN
-                EE_Cron_Tasks::schedule_update_transaction_with_payment(
-                    time() + EE_Cron_Tasks::reschedule_timeout,
-                    $TXN_ID,
-                    $PAY_ID
-                );
-                continue;
-            }
-            $transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
-            $payment = EEM_Payment::instance()->get_one_by_ID($PAY_ID);
-            // verify transaction
-            if ($transaction instanceof EE_Transaction && $payment instanceof EE_Payment) {
-                // now try to update the TXN with any payments
-                $payment_processor->update_txn_based_on_payment($transaction, $payment, true, true);
-            }
-            unset(self::$_update_transactions_with_payment[ $TXN_ID ]);
-        }
-    }
-
-
-
-    /************  END OF UPDATE TRANSACTION WITH PAYMENT  ************/
-
-
-    /*****************  EXPIRED TRANSACTION CHECK *****************/
-
-
-    /**
-     * array of TXN IDs
-     *
-     * @var array
-     */
-    protected static $_expired_transactions = array();
-
-
-    /**
-     * schedule_expired_transaction_check
-     * sets a wp_schedule_single_event() for following up on TXNs after their session has expired
-     *
-     * @param int $timestamp
-     * @param int $TXN_ID
-     */
-    public static function schedule_expired_transaction_check(
-        $timestamp,
-        $TXN_ID
-    ) {
-        // validate $TXN_ID and $timestamp
-        $TXN_ID = absint($TXN_ID);
-        $timestamp = absint($timestamp);
-        if ($TXN_ID && $timestamp) {
-            wp_schedule_single_event(
-                $timestamp,
-                'AHEE__EE_Cron_Tasks__expired_transaction_check',
-                array($TXN_ID)
-            );
-        }
-    }
-
-
-    /**
-     * expired_transaction_check
-     * this is the callback for the action hook:
-     * 'AHEE__EE_Cron_Tasks__transaction_session_expiration_check'
-     * which is utilized by wp_schedule_single_event()
-     * in \EED_Single_Page_Checkout::_initialize_transaction().
-     * The passed TXN_ID gets added to an array, and then the
-     * process_expired_transactions() function is hooked into
-     * 'AHEE__EE_System__core_loaded_and_ready' which will actually handle the
-     * processing of any failed transactions, because doing so now would be
-     * too early and the required resources may not be available
-     *
-     * @param int $TXN_ID
-     */
-    public static function expired_transaction_check($TXN_ID = 0)
-    {
-        if (absint($TXN_ID)) {
-            self::$_expired_transactions[ $TXN_ID ] = $TXN_ID;
-            add_action(
-                'shutdown',
-                array('EE_Cron_Tasks', 'process_expired_transactions'),
-                5
-            );
-        }
-    }
-
-
-    /**
-     * process_expired_transactions
-     * loops through the self::$_expired_transactions array and processes any failed TXNs
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws DomainException
-     * @throws RuntimeException
-     */
-    public static function process_expired_transactions()
-    {
-        if (
+			empty(self::$_update_transactions_with_payment)
+			// reschedule the cron if we can't hit the db right now
+			|| EE_Cron_Tasks::reschedule_cron_for_transactions_if_maintenance_mode(
+				'schedule_update_transaction_with_payment',
+				self::$_update_transactions_with_payment
+			)
+		) {
+			return;
+		}
+		/** @type EE_Payment_Processor $payment_processor */
+		$payment_processor = EE_Registry::instance()->load_core('Payment_Processor');
+		// set revisit flag for payment processor
+		$payment_processor->set_revisit();
+		// load EEM_Transaction
+		EE_Registry::instance()->load_model('Transaction');
+		foreach (self::$_update_transactions_with_payment as $TXN_ID => $PAY_ID) {
+			// reschedule the cron if we can't hit the db right now
+			if (! EE_Maintenance_Mode::instance()->models_can_query()) {
+				// reset cron job for updating the TXN
+				EE_Cron_Tasks::schedule_update_transaction_with_payment(
+					time() + EE_Cron_Tasks::reschedule_timeout,
+					$TXN_ID,
+					$PAY_ID
+				);
+				continue;
+			}
+			$transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
+			$payment = EEM_Payment::instance()->get_one_by_ID($PAY_ID);
+			// verify transaction
+			if ($transaction instanceof EE_Transaction && $payment instanceof EE_Payment) {
+				// now try to update the TXN with any payments
+				$payment_processor->update_txn_based_on_payment($transaction, $payment, true, true);
+			}
+			unset(self::$_update_transactions_with_payment[ $TXN_ID ]);
+		}
+	}
+
+
+
+	/************  END OF UPDATE TRANSACTION WITH PAYMENT  ************/
+
+
+	/*****************  EXPIRED TRANSACTION CHECK *****************/
+
+
+	/**
+	 * array of TXN IDs
+	 *
+	 * @var array
+	 */
+	protected static $_expired_transactions = array();
+
+
+	/**
+	 * schedule_expired_transaction_check
+	 * sets a wp_schedule_single_event() for following up on TXNs after their session has expired
+	 *
+	 * @param int $timestamp
+	 * @param int $TXN_ID
+	 */
+	public static function schedule_expired_transaction_check(
+		$timestamp,
+		$TXN_ID
+	) {
+		// validate $TXN_ID and $timestamp
+		$TXN_ID = absint($TXN_ID);
+		$timestamp = absint($timestamp);
+		if ($TXN_ID && $timestamp) {
+			wp_schedule_single_event(
+				$timestamp,
+				'AHEE__EE_Cron_Tasks__expired_transaction_check',
+				array($TXN_ID)
+			);
+		}
+	}
+
+
+	/**
+	 * expired_transaction_check
+	 * this is the callback for the action hook:
+	 * 'AHEE__EE_Cron_Tasks__transaction_session_expiration_check'
+	 * which is utilized by wp_schedule_single_event()
+	 * in \EED_Single_Page_Checkout::_initialize_transaction().
+	 * The passed TXN_ID gets added to an array, and then the
+	 * process_expired_transactions() function is hooked into
+	 * 'AHEE__EE_System__core_loaded_and_ready' which will actually handle the
+	 * processing of any failed transactions, because doing so now would be
+	 * too early and the required resources may not be available
+	 *
+	 * @param int $TXN_ID
+	 */
+	public static function expired_transaction_check($TXN_ID = 0)
+	{
+		if (absint($TXN_ID)) {
+			self::$_expired_transactions[ $TXN_ID ] = $TXN_ID;
+			add_action(
+				'shutdown',
+				array('EE_Cron_Tasks', 'process_expired_transactions'),
+				5
+			);
+		}
+	}
+
+
+	/**
+	 * process_expired_transactions
+	 * loops through the self::$_expired_transactions array and processes any failed TXNs
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws DomainException
+	 * @throws RuntimeException
+	 */
+	public static function process_expired_transactions()
+	{
+		if (
 // are there any TXNs that need cleaning up ?
-            empty(self::$_expired_transactions)
-            // reschedule the cron if we can't hit the db right now
-            || EE_Cron_Tasks::reschedule_cron_for_transactions_if_maintenance_mode(
-                'schedule_expired_transaction_check',
-                self::$_expired_transactions
-            )
-        ) {
-            return;
-        }
-        /** @type EE_Transaction_Processor $transaction_processor */
-        $transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
-        // set revisit flag for txn processor
-        $transaction_processor->set_revisit();
-        // load EEM_Transaction
-        EE_Registry::instance()->load_model('Transaction');
-        foreach (self::$_expired_transactions as $TXN_ID) {
-            $transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
-            // verify transaction and whether it is failed or not
-            if ($transaction instanceof EE_Transaction) {
-                switch ($transaction->status_ID()) {
-                    // Completed TXNs
-                    case EEM_Transaction::complete_status_code:
-                        // Don't update the transaction/registrations if the Primary Registration is Not Approved.
-                        $primary_registration = $transaction->primary_registration();
-                        if (
-                            $primary_registration instanceof EE_Registration
-                            && $primary_registration->status_ID() !== EEM_Registration::status_id_not_approved
-                        ) {
-                            /** @type EE_Transaction_Processor $transaction_processor */
-                            $transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
-                            $transaction_processor->update_transaction_and_registrations_after_checkout_or_payment(
-                                $transaction,
-                                $transaction->last_payment()
-                            );
-                            do_action(
-                                'AHEE__EE_Cron_Tasks__process_expired_transactions__completed_transaction',
-                                $transaction
-                            );
-                        }
-                        break;
-                    // Overpaid TXNs
-                    case EEM_Transaction::overpaid_status_code:
-                        do_action(
-                            'AHEE__EE_Cron_Tasks__process_expired_transactions__overpaid_transaction',
-                            $transaction
-                        );
-                        break;
-                    // Incomplete TXNs
-                    case EEM_Transaction::incomplete_status_code:
-                        do_action(
-                            'AHEE__EE_Cron_Tasks__process_expired_transactions__incomplete_transaction',
-                            $transaction
-                        );
-                        // todo : move business logic into EE_Transaction_Processor for finalizing abandoned transactions
-                        break;
-                    // Abandoned TXNs
-                    case EEM_Transaction::abandoned_status_code:
-                        // run hook before updating transaction, primarily so
-                        // EED_Ticket_Sales_Monitor::process_abandoned_transactions() can release reserved tickets
-                        do_action(
-                            'AHEE__EE_Cron_Tasks__process_expired_transactions__abandoned_transaction',
-                            $transaction
-                        );
-                        // don't finalize the TXN if it has already been completed
-                        if ($transaction->all_reg_steps_completed() !== true) {
-                            /** @type EE_Payment_Processor $payment_processor */
-                            $payment_processor = EE_Registry::instance()->load_core('Payment_Processor');
-                            // let's simulate an IPN here which will trigger any notifications that need to go out
-                            $payment_processor->update_txn_based_on_payment(
-                                $transaction,
-                                $transaction->last_payment(),
-                                true,
-                                true
-                            );
-                        }
-                        break;
-                    // Failed TXNs
-                    case EEM_Transaction::failed_status_code:
-                        do_action(
-                            'AHEE__EE_Cron_Tasks__process_expired_transactions__failed_transaction',
-                            $transaction
-                        );
-                        // todo :
-                        // perform garbage collection here and remove clean_out_junk_transactions()
-                        // $registrations = $transaction->registrations();
-                        // if (! empty($registrations)) {
-                        //     foreach ($registrations as $registration) {
-                        //         if ($registration instanceof EE_Registration) {
-                        //             $delete_registration = true;
-                        //             if ($registration->attendee() instanceof EE_Attendee) {
-                        //                 $delete_registration = false;
-                        //             }
-                        //             if ($delete_registration) {
-                        //                 $registration->delete_permanently();
-                        //                 $registration->delete_related_permanently();
-                        //             }
-                        //         }
-                        //     }
-                        // }
-                        break;
-                }
-            }
-            unset(self::$_expired_transactions[ $TXN_ID ]);
-        }
-    }
-
-
-
-    /*************  END OF EXPIRED TRANSACTION CHECK  *************/
-
-
-    /************* START CLEAN UP BOT TRANSACTIONS **********************/
-
-
-    /**
-     * callback for 'AHEE__EE_Cron_Tasks__clean_up_junk_transactions'
-     * which is setup during activation to run on an hourly cron
-     *
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws DomainException
-     */
-    public static function clean_out_junk_transactions()
-    {
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            EED_Ticket_Sales_Monitor::reset_reservation_counts();
-            EEM_Transaction::instance('')->delete_junk_transactions();
-            EEM_Registration::instance('')->delete_registrations_with_no_transaction();
-            EEM_Line_Item::instance('')->delete_line_items_with_no_transaction();
-        }
-    }
-
-
-    /**
-     * Deletes old gateway logs. After about a week we usually don't need them for debugging. But folks can filter that.
-     *
-     * @throws EE_Error
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     */
-    public static function clean_out_old_gateway_logs()
-    {
-        if (EE_Maintenance_Mode::instance()->models_can_query()) {
-            $reg_config = LoaderFactory::getLoader()->load('EE_Registration_Config');
-            $time_diff_for_comparison = apply_filters(
-                'FHEE__EE_Cron_Tasks__clean_out_old_gateway_logs__time_diff_for_comparison',
-                '-' . $reg_config->gateway_log_lifespan
-            );
-            EEM_Change_Log::instance()->delete_gateway_logs_older_than(new DateTime($time_diff_for_comparison));
-        }
-    }
-
-
-    /*****************  FINALIZE ABANDONED TRANSACTIONS *****************/
-
-
-    /**
-     * @var array
-     */
-    protected static $_abandoned_transactions = array();
-
-
-    /**
-     * @deprecated
-     * @param int $timestamp
-     * @param int $TXN_ID
-     */
-    public static function schedule_finalize_abandoned_transactions_check($timestamp, $TXN_ID)
-    {
-        EE_Cron_Tasks::schedule_expired_transaction_check($timestamp, $TXN_ID);
-    }
-
-
-    /**
-     * @deprecated
-     * @param int $TXN_ID
-     */
-    public static function check_for_abandoned_transactions($TXN_ID = 0)
-    {
-        EE_Cron_Tasks::expired_transaction_check($TXN_ID);
-    }
-
-
-    /**
-     * @deprecated
-     * @throws EE_Error
-     * @throws DomainException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws InvalidArgumentException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public static function finalize_abandoned_transactions()
-    {
-        do_action('AHEE_log', __CLASS__, __FUNCTION__);
-        if (
+			empty(self::$_expired_transactions)
+			// reschedule the cron if we can't hit the db right now
+			|| EE_Cron_Tasks::reschedule_cron_for_transactions_if_maintenance_mode(
+				'schedule_expired_transaction_check',
+				self::$_expired_transactions
+			)
+		) {
+			return;
+		}
+		/** @type EE_Transaction_Processor $transaction_processor */
+		$transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
+		// set revisit flag for txn processor
+		$transaction_processor->set_revisit();
+		// load EEM_Transaction
+		EE_Registry::instance()->load_model('Transaction');
+		foreach (self::$_expired_transactions as $TXN_ID) {
+			$transaction = EEM_Transaction::instance()->get_one_by_ID($TXN_ID);
+			// verify transaction and whether it is failed or not
+			if ($transaction instanceof EE_Transaction) {
+				switch ($transaction->status_ID()) {
+					// Completed TXNs
+					case EEM_Transaction::complete_status_code:
+						// Don't update the transaction/registrations if the Primary Registration is Not Approved.
+						$primary_registration = $transaction->primary_registration();
+						if (
+							$primary_registration instanceof EE_Registration
+							&& $primary_registration->status_ID() !== EEM_Registration::status_id_not_approved
+						) {
+							/** @type EE_Transaction_Processor $transaction_processor */
+							$transaction_processor = EE_Registry::instance()->load_class('Transaction_Processor');
+							$transaction_processor->update_transaction_and_registrations_after_checkout_or_payment(
+								$transaction,
+								$transaction->last_payment()
+							);
+							do_action(
+								'AHEE__EE_Cron_Tasks__process_expired_transactions__completed_transaction',
+								$transaction
+							);
+						}
+						break;
+					// Overpaid TXNs
+					case EEM_Transaction::overpaid_status_code:
+						do_action(
+							'AHEE__EE_Cron_Tasks__process_expired_transactions__overpaid_transaction',
+							$transaction
+						);
+						break;
+					// Incomplete TXNs
+					case EEM_Transaction::incomplete_status_code:
+						do_action(
+							'AHEE__EE_Cron_Tasks__process_expired_transactions__incomplete_transaction',
+							$transaction
+						);
+						// todo : move business logic into EE_Transaction_Processor for finalizing abandoned transactions
+						break;
+					// Abandoned TXNs
+					case EEM_Transaction::abandoned_status_code:
+						// run hook before updating transaction, primarily so
+						// EED_Ticket_Sales_Monitor::process_abandoned_transactions() can release reserved tickets
+						do_action(
+							'AHEE__EE_Cron_Tasks__process_expired_transactions__abandoned_transaction',
+							$transaction
+						);
+						// don't finalize the TXN if it has already been completed
+						if ($transaction->all_reg_steps_completed() !== true) {
+							/** @type EE_Payment_Processor $payment_processor */
+							$payment_processor = EE_Registry::instance()->load_core('Payment_Processor');
+							// let's simulate an IPN here which will trigger any notifications that need to go out
+							$payment_processor->update_txn_based_on_payment(
+								$transaction,
+								$transaction->last_payment(),
+								true,
+								true
+							);
+						}
+						break;
+					// Failed TXNs
+					case EEM_Transaction::failed_status_code:
+						do_action(
+							'AHEE__EE_Cron_Tasks__process_expired_transactions__failed_transaction',
+							$transaction
+						);
+						// todo :
+						// perform garbage collection here and remove clean_out_junk_transactions()
+						// $registrations = $transaction->registrations();
+						// if (! empty($registrations)) {
+						//     foreach ($registrations as $registration) {
+						//         if ($registration instanceof EE_Registration) {
+						//             $delete_registration = true;
+						//             if ($registration->attendee() instanceof EE_Attendee) {
+						//                 $delete_registration = false;
+						//             }
+						//             if ($delete_registration) {
+						//                 $registration->delete_permanently();
+						//                 $registration->delete_related_permanently();
+						//             }
+						//         }
+						//     }
+						// }
+						break;
+				}
+			}
+			unset(self::$_expired_transactions[ $TXN_ID ]);
+		}
+	}
+
+
+
+	/*************  END OF EXPIRED TRANSACTION CHECK  *************/
+
+
+	/************* START CLEAN UP BOT TRANSACTIONS **********************/
+
+
+	/**
+	 * callback for 'AHEE__EE_Cron_Tasks__clean_up_junk_transactions'
+	 * which is setup during activation to run on an hourly cron
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws DomainException
+	 */
+	public static function clean_out_junk_transactions()
+	{
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			EED_Ticket_Sales_Monitor::reset_reservation_counts();
+			EEM_Transaction::instance('')->delete_junk_transactions();
+			EEM_Registration::instance('')->delete_registrations_with_no_transaction();
+			EEM_Line_Item::instance('')->delete_line_items_with_no_transaction();
+		}
+	}
+
+
+	/**
+	 * Deletes old gateway logs. After about a week we usually don't need them for debugging. But folks can filter that.
+	 *
+	 * @throws EE_Error
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 */
+	public static function clean_out_old_gateway_logs()
+	{
+		if (EE_Maintenance_Mode::instance()->models_can_query()) {
+			$reg_config = LoaderFactory::getLoader()->load('EE_Registration_Config');
+			$time_diff_for_comparison = apply_filters(
+				'FHEE__EE_Cron_Tasks__clean_out_old_gateway_logs__time_diff_for_comparison',
+				'-' . $reg_config->gateway_log_lifespan
+			);
+			EEM_Change_Log::instance()->delete_gateway_logs_older_than(new DateTime($time_diff_for_comparison));
+		}
+	}
+
+
+	/*****************  FINALIZE ABANDONED TRANSACTIONS *****************/
+
+
+	/**
+	 * @var array
+	 */
+	protected static $_abandoned_transactions = array();
+
+
+	/**
+	 * @deprecated
+	 * @param int $timestamp
+	 * @param int $TXN_ID
+	 */
+	public static function schedule_finalize_abandoned_transactions_check($timestamp, $TXN_ID)
+	{
+		EE_Cron_Tasks::schedule_expired_transaction_check($timestamp, $TXN_ID);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param int $TXN_ID
+	 */
+	public static function check_for_abandoned_transactions($TXN_ID = 0)
+	{
+		EE_Cron_Tasks::expired_transaction_check($TXN_ID);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @throws EE_Error
+	 * @throws DomainException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws InvalidArgumentException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public static function finalize_abandoned_transactions()
+	{
+		do_action('AHEE_log', __CLASS__, __FUNCTION__);
+		if (
 // are there any TXNs that need cleaning up ?
-            empty(self::$_abandoned_transactions)
-            // reschedule the cron if we can't hit the db right now
-            || EE_Cron_Tasks::reschedule_cron_for_transactions_if_maintenance_mode(
-                'schedule_expired_transaction_check',
-                self::$_abandoned_transactions
-            )
-        ) {
-            return;
-        }
-        // combine our arrays of transaction IDs
-        self::$_expired_transactions = self::$_abandoned_transactions + self::$_expired_transactions;
-        // and deal with abandoned transactions here now...
-        EE_Cron_Tasks::process_expired_transactions();
-    }
-
-
-    /*************  END OF FINALIZE ABANDONED TRANSACTIONS  *************/
+			empty(self::$_abandoned_transactions)
+			// reschedule the cron if we can't hit the db right now
+			|| EE_Cron_Tasks::reschedule_cron_for_transactions_if_maintenance_mode(
+				'schedule_expired_transaction_check',
+				self::$_abandoned_transactions
+			)
+		) {
+			return;
+		}
+		// combine our arrays of transaction IDs
+		self::$_expired_transactions = self::$_abandoned_transactions + self::$_expired_transactions;
+		// and deal with abandoned transactions here now...
+		EE_Cron_Tasks::process_expired_transactions();
+	}
+
+
+	/*************  END OF FINALIZE ABANDONED TRANSACTIONS  *************/
 }

Spacing +14 added lines, -14 removed lines

@@ -38,7 +38,7 @@ 
      */
     public static function instance()
     {
-        if (! self::$_instance instanceof EE_Cron_Tasks) {
+        if ( ! self::$_instance instanceof EE_Cron_Tasks) {
             self::$_instance = new self();
         }
         return self::$_instance;
@@ -72,7 +72,7 @@ 
              */
             add_action(
                 'AHEE__EE_System__load_core_configuration__complete',
-                function () {
+                function() {
                     EE_Registry::instance()->NET_CFG->core->do_messages_on_same_request = true;
                     EE_Registry::instance()->NET_CFG->update_config(true, false);
                     add_option('ee_disabled_wp_cron_check', 1, '', false);
@@ -124,16 +124,16 @@ 
             'AHEE__EE_Cron_Tasks__clean_up_junk_transactions',
         );
         $crons = (array) get_option('cron');
-        if (! is_array($crons)) {
+        if ( ! is_array($crons)) {
             return;
         }
         foreach ($crons as $timestamp => $cron) {
             /** @var array[] $cron */
             foreach ($ee_crons as $ee_cron) {
-                if (isset($cron[ $ee_cron ]) && is_array($cron[ $ee_cron ])) {
+                if (isset($cron[$ee_cron]) && is_array($cron[$ee_cron])) {
                     do_action('AHEE_log', __CLASS__, __FUNCTION__, $ee_cron, 'scheduled EE cron');
-                    foreach ($cron[ $ee_cron ] as $ee_cron_details) {
-                        if (! empty($ee_cron_details['args'])) {
+                    foreach ($cron[$ee_cron] as $ee_cron_details) {
+                        if ( ! empty($ee_cron_details['args'])) {
                             do_action(
                                 'AHEE_log',
                                 __CLASS__,
@@ -160,7 +160,7 @@ 
      */
     public static function reschedule_cron_for_transactions_if_maintenance_mode($cron_task, array $TXN_IDs)
     {
-        if (! method_exists('EE_Cron_Tasks', $cron_task)) {
+        if ( ! method_exists('EE_Cron_Tasks', $cron_task)) {
             throw new DomainException(
                 sprintf(
                     esc_html__('"%1$s" is not valid method on EE_Cron_Tasks.', 'event_espresso'),
@@ -169,7 +169,7 @@ 
             );
         }
         // reschedule the cron if we can't hit the db right now
-        if (! EE_Maintenance_Mode::instance()->models_can_query()) {
+        if ( ! EE_Maintenance_Mode::instance()->models_can_query()) {
             foreach ($TXN_IDs as $TXN_ID => $additional_vars) {
                 // ensure $additional_vars is an array
                 $additional_vars = is_array($additional_vars) ? $additional_vars : array($additional_vars);
@@ -250,7 +250,7 @@ 
     {
         do_action('AHEE_log', __CLASS__, __FUNCTION__, $TXN_ID, '$TXN_ID');
         if (absint($TXN_ID)) {
-            self::$_update_transactions_with_payment[ $TXN_ID ] = $PAY_ID;
+            self::$_update_transactions_with_payment[$TXN_ID] = $PAY_ID;
             add_action(
                 'shutdown',
                 array('EE_Cron_Tasks', 'update_transaction_with_payment'),
@@ -297,7 +297,7 @@ 
         EE_Registry::instance()->load_model('Transaction');
         foreach (self::$_update_transactions_with_payment as $TXN_ID => $PAY_ID) {
             // reschedule the cron if we can't hit the db right now
-            if (! EE_Maintenance_Mode::instance()->models_can_query()) {
+            if ( ! EE_Maintenance_Mode::instance()->models_can_query()) {
                 // reset cron job for updating the TXN
                 EE_Cron_Tasks::schedule_update_transaction_with_payment(
                     time() + EE_Cron_Tasks::reschedule_timeout,
@@ -313,7 +313,7 @@ 
                 // now try to update the TXN with any payments
                 $payment_processor->update_txn_based_on_payment($transaction, $payment, true, true);
             }
-            unset(self::$_update_transactions_with_payment[ $TXN_ID ]);
+            unset(self::$_update_transactions_with_payment[$TXN_ID]);
         }
     }
 
@@ -374,7 +374,7 @@ 
     public static function expired_transaction_check($TXN_ID = 0)
     {
         if (absint($TXN_ID)) {
-            self::$_expired_transactions[ $TXN_ID ] = $TXN_ID;
+            self::$_expired_transactions[$TXN_ID] = $TXN_ID;
             add_action(
                 'shutdown',
                 array('EE_Cron_Tasks', 'process_expired_transactions'),
@@ -502,7 +502,7 @@ 
                         break;
                 }
             }
-            unset(self::$_expired_transactions[ $TXN_ID ]);
+            unset(self::$_expired_transactions[$TXN_ID]);
         }
     }
 
@@ -549,7 +549,7 @@ 
             $reg_config = LoaderFactory::getLoader()->load('EE_Registration_Config');
             $time_diff_for_comparison = apply_filters(
                 'FHEE__EE_Cron_Tasks__clean_out_old_gateway_logs__time_diff_for_comparison',
-                '-' . $reg_config->gateway_log_lifespan
+                '-'.$reg_config->gateway_log_lifespan
             );
             EEM_Change_Log::instance()->delete_gateway_logs_older_than(new DateTime($time_diff_for_comparison));
         }

core/helpers/EEH_Address.helper.php

Indentation +111 added lines, -111 removed lines

@@ -13,124 +13,124 @@
 
 
 
-    /**
-     *    format - output formatted EE object address information
-     *
-     * @access public
-     * @param         object      EEI_Address $obj_with_address
-     * @param string  $type       how the address is formatted. for example: 'multiline' or 'inline'
-     * @param boolean $use_schema whether to apply schema.org formatting to the address
-     * @param bool    $add_wrapper
-     * @return string
-     */
-    public static function format(
-        $obj_with_address = null,
-        $type = 'multiline',
-        $use_schema = true,
-        $add_wrapper = true
-    ) {
-        // check that incoming object implements the EEI_Address interface
-        if (! $obj_with_address instanceof EEI_Address) {
-            $msg = esc_html__('The address could not be formatted.', 'event_espresso');
-            $dev_msg = esc_html__(
-                'The Address Formatter requires passed objects to implement the EEI_Address interface.',
-                'event_espresso'
-            );
-            EE_Error::add_error($msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
-            return null;
-        }
-        // obtain an address formatter
-        $formatter = EEH_Address::_get_formatter($type);
-        // apply schema.org formatting ?
-        $use_schema = ! is_admin() ? $use_schema : false;
-        $formatted_address = $use_schema
-            ? EEH_Address::_schema_formatting($formatter, $obj_with_address)
-            : EEH_Address::_regular_formatting($formatter, $obj_with_address, $add_wrapper);
-        $formatted_address = $add_wrapper && ! $use_schema
-            ? '<div class="espresso-address-dv">' . $formatted_address . '</div>'
-            : $formatted_address;
-        // return the formatted address
-        return $formatted_address;
-    }
+	/**
+	 *    format - output formatted EE object address information
+	 *
+	 * @access public
+	 * @param         object      EEI_Address $obj_with_address
+	 * @param string  $type       how the address is formatted. for example: 'multiline' or 'inline'
+	 * @param boolean $use_schema whether to apply schema.org formatting to the address
+	 * @param bool    $add_wrapper
+	 * @return string
+	 */
+	public static function format(
+		$obj_with_address = null,
+		$type = 'multiline',
+		$use_schema = true,
+		$add_wrapper = true
+	) {
+		// check that incoming object implements the EEI_Address interface
+		if (! $obj_with_address instanceof EEI_Address) {
+			$msg = esc_html__('The address could not be formatted.', 'event_espresso');
+			$dev_msg = esc_html__(
+				'The Address Formatter requires passed objects to implement the EEI_Address interface.',
+				'event_espresso'
+			);
+			EE_Error::add_error($msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+			return null;
+		}
+		// obtain an address formatter
+		$formatter = EEH_Address::_get_formatter($type);
+		// apply schema.org formatting ?
+		$use_schema = ! is_admin() ? $use_schema : false;
+		$formatted_address = $use_schema
+			? EEH_Address::_schema_formatting($formatter, $obj_with_address)
+			: EEH_Address::_regular_formatting($formatter, $obj_with_address, $add_wrapper);
+		$formatted_address = $add_wrapper && ! $use_schema
+			? '<div class="espresso-address-dv">' . $formatted_address . '</div>'
+			: $formatted_address;
+		// return the formatted address
+		return $formatted_address;
+	}
 
 
 
-    /**
-     *    _get_formatter - obtain the requester formatter class
-     *
-     * @access private
-     * @param string $type how the address is formatted. for example: 'multiline' or 'inline'
-     * @return EEI_Address_Formatter
-     */
-    private static function _get_formatter($type)
-    {
-        switch ($type) {
-            case 'multiline':
-                return new EventEspresso\core\services\address\formatters\MultiLineAddressFormatter();
-            case 'inline':
-                return new EventEspresso\core\services\address\formatters\InlineAddressFormatter();
-            default:
-                return new EventEspresso\core\services\address\formatters\NullAddressFormatter();
-        }
-    }
+	/**
+	 *    _get_formatter - obtain the requester formatter class
+	 *
+	 * @access private
+	 * @param string $type how the address is formatted. for example: 'multiline' or 'inline'
+	 * @return EEI_Address_Formatter
+	 */
+	private static function _get_formatter($type)
+	{
+		switch ($type) {
+			case 'multiline':
+				return new EventEspresso\core\services\address\formatters\MultiLineAddressFormatter();
+			case 'inline':
+				return new EventEspresso\core\services\address\formatters\InlineAddressFormatter();
+			default:
+				return new EventEspresso\core\services\address\formatters\NullAddressFormatter();
+		}
+	}
 
 
 
-    /**
-     *    _regular_formatting
-     *    adds formatting to an address
-     *
-     * @access private
-     * @param      object EEI_Address_Formatter $formatter
-     * @param      object EEI_Address $obj_with_address
-     * @param bool $add_wrapper
-     * @return string
-     */
-    private static function _regular_formatting(
-        EEI_Address_Formatter $formatter,
-        EEI_Address $obj_with_address,
-        $add_wrapper = true
-    ) {
-        $formatted_address = $add_wrapper ? '<div>' : '';
-        $formatted_address .= $formatter->format(
-            $obj_with_address->address(),
-            $obj_with_address->address2(),
-            $obj_with_address->city(),
-            $obj_with_address->state_name(),
-            $obj_with_address->zip(),
-            $obj_with_address->country_name(),
-            $obj_with_address->country_ID()
-        );
-        $formatted_address .= $add_wrapper ? '</div>' : '';
-        // return the formatted address
-        return $formatted_address;
-    }
+	/**
+	 *    _regular_formatting
+	 *    adds formatting to an address
+	 *
+	 * @access private
+	 * @param      object EEI_Address_Formatter $formatter
+	 * @param      object EEI_Address $obj_with_address
+	 * @param bool $add_wrapper
+	 * @return string
+	 */
+	private static function _regular_formatting(
+		EEI_Address_Formatter $formatter,
+		EEI_Address $obj_with_address,
+		$add_wrapper = true
+	) {
+		$formatted_address = $add_wrapper ? '<div>' : '';
+		$formatted_address .= $formatter->format(
+			$obj_with_address->address(),
+			$obj_with_address->address2(),
+			$obj_with_address->city(),
+			$obj_with_address->state_name(),
+			$obj_with_address->zip(),
+			$obj_with_address->country_name(),
+			$obj_with_address->country_ID()
+		);
+		$formatted_address .= $add_wrapper ? '</div>' : '';
+		// return the formatted address
+		return $formatted_address;
+	}
 
 
 
-    /**
-     *    _schema_formatting
-     *    adds schema.org formatting to an address
-     *
-     * @access private
-     * @param object EEI_Address_Formatter $formatter
-     * @param object EEI_Address $obj_with_address
-     * @return string
-     */
-    private static function _schema_formatting(EEI_Address_Formatter $formatter, EEI_Address $obj_with_address)
-    {
-        $formatted_address = '<div itemprop="address" itemscope itemtype="http://schema.org/PostalAddress">';
-        $formatted_address .= $formatter->format(
-            EEH_Schema::streetAddress($obj_with_address),
-            EEH_Schema::postOfficeBoxNumber($obj_with_address),
-            EEH_Schema::addressLocality($obj_with_address),
-            EEH_Schema::addressRegion($obj_with_address),
-            EEH_Schema::postalCode($obj_with_address),
-            EEH_Schema::addressCountry($obj_with_address),
-            $obj_with_address->country_ID()
-        );
-        $formatted_address .= '</div>';
-        // return the formatted address
-        return $formatted_address;
-    }
+	/**
+	 *    _schema_formatting
+	 *    adds schema.org formatting to an address
+	 *
+	 * @access private
+	 * @param object EEI_Address_Formatter $formatter
+	 * @param object EEI_Address $obj_with_address
+	 * @return string
+	 */
+	private static function _schema_formatting(EEI_Address_Formatter $formatter, EEI_Address $obj_with_address)
+	{
+		$formatted_address = '<div itemprop="address" itemscope itemtype="http://schema.org/PostalAddress">';
+		$formatted_address .= $formatter->format(
+			EEH_Schema::streetAddress($obj_with_address),
+			EEH_Schema::postOfficeBoxNumber($obj_with_address),
+			EEH_Schema::addressLocality($obj_with_address),
+			EEH_Schema::addressRegion($obj_with_address),
+			EEH_Schema::postalCode($obj_with_address),
+			EEH_Schema::addressCountry($obj_with_address),
+			$obj_with_address->country_ID()
+		);
+		$formatted_address .= '</div>';
+		// return the formatted address
+		return $formatted_address;
+	}
 }

Spacing +3 added lines, -3 removed lines

@@ -30,13 +30,13 @@ 
         $add_wrapper = true
     ) {
         // check that incoming object implements the EEI_Address interface
-        if (! $obj_with_address instanceof EEI_Address) {
+        if ( ! $obj_with_address instanceof EEI_Address) {
             $msg = esc_html__('The address could not be formatted.', 'event_espresso');
             $dev_msg = esc_html__(
                 'The Address Formatter requires passed objects to implement the EEI_Address interface.',
                 'event_espresso'
             );
-            EE_Error::add_error($msg . '||' . $dev_msg, __FILE__, __FUNCTION__, __LINE__);
+            EE_Error::add_error($msg.'||'.$dev_msg, __FILE__, __FUNCTION__, __LINE__);
             return null;
         }
         // obtain an address formatter
@@ -47,7 +47,7 @@ 
             ? EEH_Address::_schema_formatting($formatter, $obj_with_address)
             : EEH_Address::_regular_formatting($formatter, $obj_with_address, $add_wrapper);
         $formatted_address = $add_wrapper && ! $use_schema
-            ? '<div class="espresso-address-dv">' . $formatted_address . '</div>'
+            ? '<div class="espresso-address-dv">'.$formatted_address.'</div>'
             : $formatted_address;
         // return the formatted address
         return $formatted_address;

core/helpers/EEH_DTT_Helper.helper.php

Indentation +983 added lines, -983 removed lines

@@ -17,1045 +17,1045 @@
 {
 
 
-    /**
-     * return the timezone set for the WP install
-     *
-     * @return string valid timezone string for PHP DateTimeZone() class
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone()
-    {
-        return EEH_DTT_Helper::get_valid_timezone_string();
-    }
+	/**
+	 * return the timezone set for the WP install
+	 *
+	 * @return string valid timezone string for PHP DateTimeZone() class
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone()
+	{
+		return EEH_DTT_Helper::get_valid_timezone_string();
+	}
 
 
-    /**
-     * get_valid_timezone_string
-     *    ensures that a valid timezone string is returned
-     *
-     * @param string $timezone_string
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_valid_timezone_string($timezone_string = '')
-    {
-        return self::getHelperAdapter()->getValidTimezoneString($timezone_string);
-    }
+	/**
+	 * get_valid_timezone_string
+	 *    ensures that a valid timezone string is returned
+	 *
+	 * @param string $timezone_string
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_valid_timezone_string($timezone_string = '')
+	{
+		return self::getHelperAdapter()->getValidTimezoneString($timezone_string);
+	}
 
 
-    /**
-     * This only purpose for this static method is to validate that the incoming timezone is a valid php timezone.
-     *
-     * @static
-     * @param  string $timezone_string Timezone string to check
-     * @param bool    $throw_error
-     * @return bool
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function validate_timezone($timezone_string, $throw_error = true)
-    {
-        return self::getHelperAdapter()->validateTimezone($timezone_string, $throw_error);
-    }
+	/**
+	 * This only purpose for this static method is to validate that the incoming timezone is a valid php timezone.
+	 *
+	 * @static
+	 * @param  string $timezone_string Timezone string to check
+	 * @param bool    $throw_error
+	 * @return bool
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function validate_timezone($timezone_string, $throw_error = true)
+	{
+		return self::getHelperAdapter()->validateTimezone($timezone_string, $throw_error);
+	}
 
 
-    /**
-     * This returns a string that can represent the provided gmt offset in format that can be passed into
-     * DateTimeZone.  This is NOT a string that can be passed as a value on the WordPress timezone_string option.
-     *
-     * @param float|string $gmt_offset
-     * @return string
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_string_from_gmt_offset($gmt_offset = '')
-    {
-        return self::getHelperAdapter()->getTimezoneStringFromGmtOffset($gmt_offset);
-    }
+	/**
+	 * This returns a string that can represent the provided gmt offset in format that can be passed into
+	 * DateTimeZone.  This is NOT a string that can be passed as a value on the WordPress timezone_string option.
+	 *
+	 * @param float|string $gmt_offset
+	 * @return string
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_string_from_gmt_offset($gmt_offset = '')
+	{
+		return self::getHelperAdapter()->getTimezoneStringFromGmtOffset($gmt_offset);
+	}
 
 
-    /**
-     * Gets the site's GMT offset based on either the timezone string
-     * (in which case teh gmt offset will vary depending on the location's
-     * observance of daylight savings time) or the gmt_offset wp option
-     *
-     * @return int seconds offset
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_site_timezone_gmt_offset()
-    {
-        return self::getHelperAdapter()->getSiteTimezoneGmtOffset();
-    }
+	/**
+	 * Gets the site's GMT offset based on either the timezone string
+	 * (in which case teh gmt offset will vary depending on the location's
+	 * observance of daylight savings time) or the gmt_offset wp option
+	 *
+	 * @return int seconds offset
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_site_timezone_gmt_offset()
+	{
+		return self::getHelperAdapter()->getSiteTimezoneGmtOffset();
+	}
 
 
-    /**
-     * Depending on PHP version,
-     * there might not be valid current timezone strings to match these gmt_offsets in its timezone tables.
-     * To get around that, for these fringe timezones we bump them to a known valid offset.
-     * This method should ONLY be called after first verifying an timezone_string cannot be retrieved for the offset.
-     *
-     * @deprecated 4.9.54.rc    Developers this was always meant to only be an internally used method.  This will be
-     *                          removed in a future version of EE.
-     * @param int $gmt_offset
-     * @return int
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
-    {
-        return self::getHelperAdapter()->adjustInvalidGmtOffsets($gmt_offset);
-    }
+	/**
+	 * Depending on PHP version,
+	 * there might not be valid current timezone strings to match these gmt_offsets in its timezone tables.
+	 * To get around that, for these fringe timezones we bump them to a known valid offset.
+	 * This method should ONLY be called after first verifying an timezone_string cannot be retrieved for the offset.
+	 *
+	 * @deprecated 4.9.54.rc    Developers this was always meant to only be an internally used method.  This will be
+	 *                          removed in a future version of EE.
+	 * @param int $gmt_offset
+	 * @return int
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function adjust_invalid_gmt_offsets($gmt_offset = 0)
+	{
+		return self::getHelperAdapter()->adjustInvalidGmtOffsets($gmt_offset);
+	}
 
 
-    /**
-     * get_timezone_string_from_abbreviations_list
-     *
-     * @deprecated 4.9.54.rc  Developers, this was never intended to be public.  This is a soft deprecation for now.
-     *                        If you are using this, you'll want to work out an alternate way of getting the value.
-     * @param int  $gmt_offset
-     * @param bool $coerce If true, we attempt to coerce with our adjustment table @see self::adjust_invalid_gmt_offset.
-     * @return string
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0, $coerce = true)
-    {
-        $gmt_offset =  (int) $gmt_offset;
-        /** @var array[] $abbreviations */
-        $abbreviations = DateTimeZone::listAbbreviations();
-        foreach ($abbreviations as $abbreviation) {
-            foreach ($abbreviation as $timezone) {
-                if ((int) $timezone['offset'] === $gmt_offset && (bool) $timezone['dst'] === false) {
-                    try {
-                        $offset = self::get_timezone_offset(new DateTimeZone($timezone['timezone_id']));
-                        if ($offset !== $gmt_offset) {
-                            continue;
-                        }
-                        return $timezone['timezone_id'];
-                    } catch (Exception $e) {
-                        continue;
-                    }
-                }
-            }
-        }
-        // if $coerce is true, let's see if we can get a timezone string after the offset is adjusted
-        if ($coerce === true) {
-            $timezone_string = self::get_timezone_string_from_abbreviations_list(
-                self::adjust_invalid_gmt_offsets($gmt_offset),
-                false
-            );
-            if ($timezone_string) {
-                return $timezone_string;
-            }
-        }
-        throw new EE_Error(
-            sprintf(
-                esc_html__(
-                    'The provided GMT offset (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
-                    'event_espresso'
-                ),
-                $gmt_offset / HOUR_IN_SECONDS,
-                '<a href="http://www.php.net/manual/en/timezones.php">',
-                '</a>'
-            )
-        );
-    }
+	/**
+	 * get_timezone_string_from_abbreviations_list
+	 *
+	 * @deprecated 4.9.54.rc  Developers, this was never intended to be public.  This is a soft deprecation for now.
+	 *                        If you are using this, you'll want to work out an alternate way of getting the value.
+	 * @param int  $gmt_offset
+	 * @param bool $coerce If true, we attempt to coerce with our adjustment table @see self::adjust_invalid_gmt_offset.
+	 * @return string
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0, $coerce = true)
+	{
+		$gmt_offset =  (int) $gmt_offset;
+		/** @var array[] $abbreviations */
+		$abbreviations = DateTimeZone::listAbbreviations();
+		foreach ($abbreviations as $abbreviation) {
+			foreach ($abbreviation as $timezone) {
+				if ((int) $timezone['offset'] === $gmt_offset && (bool) $timezone['dst'] === false) {
+					try {
+						$offset = self::get_timezone_offset(new DateTimeZone($timezone['timezone_id']));
+						if ($offset !== $gmt_offset) {
+							continue;
+						}
+						return $timezone['timezone_id'];
+					} catch (Exception $e) {
+						continue;
+					}
+				}
+			}
+		}
+		// if $coerce is true, let's see if we can get a timezone string after the offset is adjusted
+		if ($coerce === true) {
+			$timezone_string = self::get_timezone_string_from_abbreviations_list(
+				self::adjust_invalid_gmt_offsets($gmt_offset),
+				false
+			);
+			if ($timezone_string) {
+				return $timezone_string;
+			}
+		}
+		throw new EE_Error(
+			sprintf(
+				esc_html__(
+					'The provided GMT offset (%1$s), is invalid, please check with %2$sthis list%3$s for what valid timezones can be used',
+					'event_espresso'
+				),
+				$gmt_offset / HOUR_IN_SECONDS,
+				'<a href="http://www.php.net/manual/en/timezones.php">',
+				'</a>'
+			)
+		);
+	}
 
 
-    /**
-     * Get Timezone Transitions
-     *
-     * @param DateTimeZone $date_time_zone
-     * @param int|null     $time
-     * @param bool         $first_only
-     * @return array
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_transitions(DateTimeZone $date_time_zone, $time = null, $first_only = true)
-    {
-        return self::getHelperAdapter()->getTimezoneTransitions($date_time_zone, $time, $first_only);
-    }
+	/**
+	 * Get Timezone Transitions
+	 *
+	 * @param DateTimeZone $date_time_zone
+	 * @param int|null     $time
+	 * @param bool         $first_only
+	 * @return array
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_transitions(DateTimeZone $date_time_zone, $time = null, $first_only = true)
+	{
+		return self::getHelperAdapter()->getTimezoneTransitions($date_time_zone, $time, $first_only);
+	}
 
 
-    /**
-     * Get Timezone Offset for given timezone object.
-     *
-     * @param DateTimeZone $date_time_zone
-     * @param null         $time
-     * @return mixed
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timezone_offset(DateTimeZone $date_time_zone, $time = null)
-    {
-        return self::getHelperAdapter()->getTimezoneOffset($date_time_zone, $time);
-    }
+	/**
+	 * Get Timezone Offset for given timezone object.
+	 *
+	 * @param DateTimeZone $date_time_zone
+	 * @param null         $time
+	 * @return mixed
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timezone_offset(DateTimeZone $date_time_zone, $time = null)
+	{
+		return self::getHelperAdapter()->getTimezoneOffset($date_time_zone, $time);
+	}
 
 
-    /**
-     * Prints a select input for the given timezone string.
-     * @param string $timezone_string
-     * @deprecatd 4.9.54.rc   Soft deprecation.  Consider using \EEH_DTT_Helper::wp_timezone_choice instead.
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function timezone_select_input($timezone_string = '')
-    {
-        self::getHelperAdapter()->timezoneSelectInput($timezone_string);
-    }
+	/**
+	 * Prints a select input for the given timezone string.
+	 * @param string $timezone_string
+	 * @deprecatd 4.9.54.rc   Soft deprecation.  Consider using \EEH_DTT_Helper::wp_timezone_choice instead.
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function timezone_select_input($timezone_string = '')
+	{
+		self::getHelperAdapter()->timezoneSelectInput($timezone_string);
+	}
 
 
-    /**
-     * This method will take an incoming unix timestamp and add the offset to it for the given timezone_string.
-     * If no unix timestamp is given then time() is used.  If no timezone is given then the set timezone string for
-     * the site is used.
-     * This is used typically when using a Unix timestamp any core WP functions that expect their specially
-     * computed timestamp (i.e. date_i18n() )
-     *
-     * @param int    $unix_timestamp                  if 0, then time() will be used.
-     * @param string $timezone_string                 timezone_string. If empty, then the current set timezone for the
-     *                                                site will be used.
-     * @return int $unix_timestamp with the offset applied for the given timezone.
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
-    {
-        return self::getHelperAdapter()->getTimestampWithOffset($unix_timestamp, $timezone_string);
-    }
+	/**
+	 * This method will take an incoming unix timestamp and add the offset to it for the given timezone_string.
+	 * If no unix timestamp is given then time() is used.  If no timezone is given then the set timezone string for
+	 * the site is used.
+	 * This is used typically when using a Unix timestamp any core WP functions that expect their specially
+	 * computed timestamp (i.e. date_i18n() )
+	 *
+	 * @param int    $unix_timestamp                  if 0, then time() will be used.
+	 * @param string $timezone_string                 timezone_string. If empty, then the current set timezone for the
+	 *                                                site will be used.
+	 * @return int $unix_timestamp with the offset applied for the given timezone.
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	public static function get_timestamp_with_offset($unix_timestamp = 0, $timezone_string = '')
+	{
+		return self::getHelperAdapter()->getTimestampWithOffset($unix_timestamp, $timezone_string);
+	}
 
 
-    /**
-     *    _set_date_time_field
-     *    modifies EE_Base_Class EE_Datetime_Field objects
-     *
-     * @param  EE_Base_Class $obj                 EE_Base_Class object
-     * @param    DateTime    $DateTime            PHP DateTime object
-     * @param  string        $datetime_field_name the datetime fieldname to be manipulated
-     * @return EE_Base_Class
-     * @throws EE_Error
-     */
-    protected static function _set_date_time_field(EE_Base_Class $obj, DateTime $DateTime, $datetime_field_name)
-    {
-        // grab current datetime format
-        $current_format = $obj->get_format();
-        // set new full timestamp format
-        $obj->set_date_format(EE_Datetime_Field::mysql_date_format);
-        $obj->set_time_format(EE_Datetime_Field::mysql_time_format);
-        // set the new date value using a full timestamp format so that no data is lost
-        $obj->set($datetime_field_name, $DateTime->format(EE_Datetime_Field::mysql_timestamp_format));
-        // reset datetime formats
-        $obj->set_date_format($current_format[0]);
-        $obj->set_time_format($current_format[1]);
-        return $obj;
-    }
+	/**
+	 *    _set_date_time_field
+	 *    modifies EE_Base_Class EE_Datetime_Field objects
+	 *
+	 * @param  EE_Base_Class $obj                 EE_Base_Class object
+	 * @param    DateTime    $DateTime            PHP DateTime object
+	 * @param  string        $datetime_field_name the datetime fieldname to be manipulated
+	 * @return EE_Base_Class
+	 * @throws EE_Error
+	 */
+	protected static function _set_date_time_field(EE_Base_Class $obj, DateTime $DateTime, $datetime_field_name)
+	{
+		// grab current datetime format
+		$current_format = $obj->get_format();
+		// set new full timestamp format
+		$obj->set_date_format(EE_Datetime_Field::mysql_date_format);
+		$obj->set_time_format(EE_Datetime_Field::mysql_time_format);
+		// set the new date value using a full timestamp format so that no data is lost
+		$obj->set($datetime_field_name, $DateTime->format(EE_Datetime_Field::mysql_timestamp_format));
+		// reset datetime formats
+		$obj->set_date_format($current_format[0]);
+		$obj->set_time_format($current_format[1]);
+		return $obj;
+	}
 
 
-    /**
-     *    date_time_add
-     *    helper for doing simple datetime calculations on a given datetime from EE_Base_Class
-     *    and modifying it IN the EE_Base_Class so you don't have to do anything else.
-     *
-     * @param  EE_Base_Class $obj                 EE_Base_Class object
-     * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
-     * @param  string        $period              what you are adding. The options are (years, months, days, hours,
-     *                                            minutes, seconds) defaults to years
-     * @param  integer       $value               what you want to increment the time by
-     * @return EE_Base_Class return the EE_Base_Class object so right away you can do something with it
-     *                                            (chaining)
-     * @throws EE_Error
-     * @throws Exception
-     */
-    public static function date_time_add(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
-    {
-        // get the raw UTC date.
-        $DateTime = $obj->get_DateTime_object($datetime_field_name);
-        $DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value);
-        return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
-    }
+	/**
+	 *    date_time_add
+	 *    helper for doing simple datetime calculations on a given datetime from EE_Base_Class
+	 *    and modifying it IN the EE_Base_Class so you don't have to do anything else.
+	 *
+	 * @param  EE_Base_Class $obj                 EE_Base_Class object
+	 * @param  string        $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
+	 * @param  string        $period              what you are adding. The options are (years, months, days, hours,
+	 *                                            minutes, seconds) defaults to years
+	 * @param  integer       $value               what you want to increment the time by
+	 * @return EE_Base_Class return the EE_Base_Class object so right away you can do something with it
+	 *                                            (chaining)
+	 * @throws EE_Error
+	 * @throws Exception
+	 */
+	public static function date_time_add(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
+	{
+		// get the raw UTC date.
+		$DateTime = $obj->get_DateTime_object($datetime_field_name);
+		$DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value);
+		return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
+	}
 
 
-    /**
-     *    date_time_subtract
-     *    same as date_time_add except subtracting value instead of adding.
-     *
-     * @param EE_Base_Class $obj
-     * @param  string       $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
-     * @param string        $period
-     * @param int           $value
-     * @return EE_Base_Class
-     * @throws EE_Error
-     * @throws Exception
-     */
-    public static function date_time_subtract(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
-    {
-        // get the raw UTC date
-        $DateTime = $obj->get_DateTime_object($datetime_field_name);
-        $DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value, '-');
-        return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
-    }
+	/**
+	 *    date_time_subtract
+	 *    same as date_time_add except subtracting value instead of adding.
+	 *
+	 * @param EE_Base_Class $obj
+	 * @param  string       $datetime_field_name name of the EE_Datetime_Filed datatype db column to be manipulated
+	 * @param string        $period
+	 * @param int           $value
+	 * @return EE_Base_Class
+	 * @throws EE_Error
+	 * @throws Exception
+	 */
+	public static function date_time_subtract(EE_Base_Class $obj, $datetime_field_name, $period = 'years', $value = 1)
+	{
+		// get the raw UTC date
+		$DateTime = $obj->get_DateTime_object($datetime_field_name);
+		$DateTime = EEH_DTT_Helper::calc_date($DateTime, $period, $value, '-');
+		return EEH_DTT_Helper::_set_date_time_field($obj, $DateTime, $datetime_field_name);
+	}
 
 
-    /**
-     * Simply takes an incoming DateTime object and does calculations on it based on the incoming parameters
-     *
-     * @param  DateTime   $DateTime DateTime object
-     * @param  string     $period   a value to indicate what interval is being used in the calculation. The options are
-     *                              'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
-     * @param  int|string $value    What you want to increment the date by
-     * @param  string     $operand  What operand you wish to use for the calculation
-     * @return DateTime return whatever type came in.
-     * @throws Exception
-     * @throws EE_Error
-     */
-    protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
-    {
-        if (! $DateTime instanceof DateTime) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
-                    print_r($DateTime, true)
-                )
-            );
-        }
-        switch ($period) {
-            case 'years':
-                $value = 'P' . $value . 'Y';
-                break;
-            case 'months':
-                $value = 'P' . $value . 'M';
-                break;
-            case 'weeks':
-                $value = 'P' . $value . 'W';
-                break;
-            case 'days':
-                $value = 'P' . $value . 'D';
-                break;
-            case 'hours':
-                $value = 'PT' . $value . 'H';
-                break;
-            case 'minutes':
-                $value = 'PT' . $value . 'M';
-                break;
-            case 'seconds':
-                $value = 'PT' . $value . 'S';
-                break;
-        }
-        switch ($operand) {
-            case '+':
-                $DateTime->add(new DateInterval($value));
-                break;
-            case '-':
-                $DateTime->sub(new DateInterval($value));
-                break;
-        }
-        return $DateTime;
-    }
+	/**
+	 * Simply takes an incoming DateTime object and does calculations on it based on the incoming parameters
+	 *
+	 * @param  DateTime   $DateTime DateTime object
+	 * @param  string     $period   a value to indicate what interval is being used in the calculation. The options are
+	 *                              'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
+	 * @param  int|string $value    What you want to increment the date by
+	 * @param  string     $operand  What operand you wish to use for the calculation
+	 * @return DateTime return whatever type came in.
+	 * @throws Exception
+	 * @throws EE_Error
+	 */
+	protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
+	{
+		if (! $DateTime instanceof DateTime) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
+					print_r($DateTime, true)
+				)
+			);
+		}
+		switch ($period) {
+			case 'years':
+				$value = 'P' . $value . 'Y';
+				break;
+			case 'months':
+				$value = 'P' . $value . 'M';
+				break;
+			case 'weeks':
+				$value = 'P' . $value . 'W';
+				break;
+			case 'days':
+				$value = 'P' . $value . 'D';
+				break;
+			case 'hours':
+				$value = 'PT' . $value . 'H';
+				break;
+			case 'minutes':
+				$value = 'PT' . $value . 'M';
+				break;
+			case 'seconds':
+				$value = 'PT' . $value . 'S';
+				break;
+		}
+		switch ($operand) {
+			case '+':
+				$DateTime->add(new DateInterval($value));
+				break;
+			case '-':
+				$DateTime->sub(new DateInterval($value));
+				break;
+		}
+		return $DateTime;
+	}
 
 
-    /**
-     * Simply takes an incoming Unix timestamp and does calculations on it based on the incoming parameters
-     *
-     * @param  int     $timestamp Unix timestamp
-     * @param  string  $period    a value to indicate what interval is being used in the calculation. The options are
-     *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
-     * @param  integer $value     What you want to increment the date by
-     * @param  string  $operand   What operand you wish to use for the calculation
-     * @return int
-     * @throws EE_Error
-     */
-    protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
-    {
-        if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
-                    print_r($timestamp, true)
-                )
-            );
-        }
-        switch ($period) {
-            case 'years':
-                $value = YEAR_IN_SECONDS * $value;
-                break;
-            case 'months':
-                $value = YEAR_IN_SECONDS / 12 * $value;
-                break;
-            case 'weeks':
-                $value = WEEK_IN_SECONDS * $value;
-                break;
-            case 'days':
-                $value = DAY_IN_SECONDS * $value;
-                break;
-            case 'hours':
-                $value = HOUR_IN_SECONDS * $value;
-                break;
-            case 'minutes':
-                $value = MINUTE_IN_SECONDS * $value;
-                break;
-        }
-        switch ($operand) {
-            case '+':
-                $timestamp += $value;
-                break;
-            case '-':
-                $timestamp -= $value;
-                break;
-        }
-        return $timestamp;
-    }
+	/**
+	 * Simply takes an incoming Unix timestamp and does calculations on it based on the incoming parameters
+	 *
+	 * @param  int     $timestamp Unix timestamp
+	 * @param  string  $period    a value to indicate what interval is being used in the calculation. The options are
+	 *                            'years', 'months', 'days', 'hours', 'minutes', 'seconds'. Defaults to years.
+	 * @param  integer $value     What you want to increment the date by
+	 * @param  string  $operand   What operand you wish to use for the calculation
+	 * @return int
+	 * @throws EE_Error
+	 */
+	protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
+	{
+		if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
+					print_r($timestamp, true)
+				)
+			);
+		}
+		switch ($period) {
+			case 'years':
+				$value = YEAR_IN_SECONDS * $value;
+				break;
+			case 'months':
+				$value = YEAR_IN_SECONDS / 12 * $value;
+				break;
+			case 'weeks':
+				$value = WEEK_IN_SECONDS * $value;
+				break;
+			case 'days':
+				$value = DAY_IN_SECONDS * $value;
+				break;
+			case 'hours':
+				$value = HOUR_IN_SECONDS * $value;
+				break;
+			case 'minutes':
+				$value = MINUTE_IN_SECONDS * $value;
+				break;
+		}
+		switch ($operand) {
+			case '+':
+				$timestamp += $value;
+				break;
+			case '-':
+				$timestamp -= $value;
+				break;
+		}
+		return $timestamp;
+	}
 
 
-    /**
-     * Simply takes an incoming UTC timestamp or DateTime object and does calculations on it based on the incoming
-     * parameters and returns the new timestamp or DateTime.
-     *
-     * @param  int | DateTime $DateTime_or_timestamp DateTime object or Unix timestamp
-     * @param  string         $period                a value to indicate what interval is being used in the
-     *                                               calculation. The options are 'years', 'months', 'days', 'hours',
-     *                                               'minutes', 'seconds'. Defaults to years.
-     * @param  integer        $value                 What you want to increment the date by
-     * @param  string         $operand               What operand you wish to use for the calculation
-     * @return mixed string|DateTime          return whatever type came in.
-     * @throws Exception
-     * @throws EE_Error
-     */
-    public static function calc_date($DateTime_or_timestamp, $period = 'years', $value = 1, $operand = '+')
-    {
-        if ($DateTime_or_timestamp instanceof DateTime) {
-            return EEH_DTT_Helper::_modify_datetime_object(
-                $DateTime_or_timestamp,
-                $period,
-                $value,
-                $operand
-            );
-        }
-        if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $DateTime_or_timestamp)) {
-            return EEH_DTT_Helper::_modify_timestamp(
-                $DateTime_or_timestamp,
-                $period,
-                $value,
-                $operand
-            );
-        }
-        // error
-        return $DateTime_or_timestamp;
-    }
+	/**
+	 * Simply takes an incoming UTC timestamp or DateTime object and does calculations on it based on the incoming
+	 * parameters and returns the new timestamp or DateTime.
+	 *
+	 * @param  int | DateTime $DateTime_or_timestamp DateTime object or Unix timestamp
+	 * @param  string         $period                a value to indicate what interval is being used in the
+	 *                                               calculation. The options are 'years', 'months', 'days', 'hours',
+	 *                                               'minutes', 'seconds'. Defaults to years.
+	 * @param  integer        $value                 What you want to increment the date by
+	 * @param  string         $operand               What operand you wish to use for the calculation
+	 * @return mixed string|DateTime          return whatever type came in.
+	 * @throws Exception
+	 * @throws EE_Error
+	 */
+	public static function calc_date($DateTime_or_timestamp, $period = 'years', $value = 1, $operand = '+')
+	{
+		if ($DateTime_or_timestamp instanceof DateTime) {
+			return EEH_DTT_Helper::_modify_datetime_object(
+				$DateTime_or_timestamp,
+				$period,
+				$value,
+				$operand
+			);
+		}
+		if (preg_match(EE_Datetime_Field::unix_timestamp_regex, $DateTime_or_timestamp)) {
+			return EEH_DTT_Helper::_modify_timestamp(
+				$DateTime_or_timestamp,
+				$period,
+				$value,
+				$operand
+			);
+		}
+		// error
+		return $DateTime_or_timestamp;
+	}
 
 
-    /**
-     * The purpose of this helper method is to receive an incoming format string in php date/time format
-     * and spit out the js and moment.js equivalent formats.
-     * Note, if no format string is given, then it is assumed the user wants what is set for WP.
-     * Note, js date and time formats are those used by the jquery-ui datepicker and the jquery-ui date-
-     * time picker.
-     *
-     * @see http://stackoverflow.com/posts/16725290/ for the code inspiration.
-     * @param string $date_format_string
-     * @param string $time_format_string
-     * @return array
-     *              array(
-     *              'js' => array (
-     *              'date' => //date format
-     *              'time' => //time format
-     *              ),
-     *              'moment' => //date and time format.
-     *              )
-     */
-    public static function convert_php_to_js_and_moment_date_formats(
-        $date_format_string = null,
-        $time_format_string = null
-    ) {
-        if ($date_format_string === null) {
-            $date_format_string = (string) get_option('date_format');
-        }
-        if ($time_format_string === null) {
-            $time_format_string = (string) get_option('time_format');
-        }
-        $date_format = self::_php_to_js_moment_converter($date_format_string);
-        $time_format = self::_php_to_js_moment_converter($time_format_string);
-        return array(
-            'js'     => array(
-                'date' => $date_format['js'],
-                'time' => $time_format['js'],
-            ),
-            'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
-            'moment_split' => array(
-                'date' => $date_format['moment'],
-                'time' => $time_format['moment']
-            )
-        );
-    }
+	/**
+	 * The purpose of this helper method is to receive an incoming format string in php date/time format
+	 * and spit out the js and moment.js equivalent formats.
+	 * Note, if no format string is given, then it is assumed the user wants what is set for WP.
+	 * Note, js date and time formats are those used by the jquery-ui datepicker and the jquery-ui date-
+	 * time picker.
+	 *
+	 * @see http://stackoverflow.com/posts/16725290/ for the code inspiration.
+	 * @param string $date_format_string
+	 * @param string $time_format_string
+	 * @return array
+	 *              array(
+	 *              'js' => array (
+	 *              'date' => //date format
+	 *              'time' => //time format
+	 *              ),
+	 *              'moment' => //date and time format.
+	 *              )
+	 */
+	public static function convert_php_to_js_and_moment_date_formats(
+		$date_format_string = null,
+		$time_format_string = null
+	) {
+		if ($date_format_string === null) {
+			$date_format_string = (string) get_option('date_format');
+		}
+		if ($time_format_string === null) {
+			$time_format_string = (string) get_option('time_format');
+		}
+		$date_format = self::_php_to_js_moment_converter($date_format_string);
+		$time_format = self::_php_to_js_moment_converter($time_format_string);
+		return array(
+			'js'     => array(
+				'date' => $date_format['js'],
+				'time' => $time_format['js'],
+			),
+			'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
+			'moment_split' => array(
+				'date' => $date_format['moment'],
+				'time' => $time_format['moment']
+			)
+		);
+	}
 
 
-    /**
-     * This converts incoming format string into js and moment variations.
-     *
-     * @param string $format_string incoming php format string
-     * @return array js and moment formats.
-     */
-    protected static function _php_to_js_moment_converter($format_string)
-    {
-        /**
-         * This is a map of symbols for formats.
-         * The index is the php symbol, the equivalent values are in the array.
-         *
-         * @var array
-         */
-        $symbols_map          = array(
-            // Day
-            // 01
-            'd' => array(
-                'js'     => 'dd',
-                'moment' => 'DD',
-            ),
-            // Mon
-            'D' => array(
-                'js'     => 'D',
-                'moment' => 'ddd',
-            ),
-            // 1,2,...31
-            'j' => array(
-                'js'     => 'd',
-                'moment' => 'D',
-            ),
-            // Monday
-            'l' => array(
-                'js'     => 'DD',
-                'moment' => 'dddd',
-            ),
-            // ISO numeric representation of the day of the week (1-6)
-            'N' => array(
-                'js'     => '',
-                'moment' => 'E',
-            ),
-            // st,nd.rd
-            'S' => array(
-                'js'     => '',
-                'moment' => 'o',
-            ),
-            // numeric representation of day of week (0-6)
-            'w' => array(
-                'js'     => '',
-                'moment' => 'd',
-            ),
-            // day of year starting from 0 (0-365)
-            'z' => array(
-                'js'     => 'o',
-                'moment' => 'DDD' // note moment does not start with 0 so will need to modify by subtracting 1
-            ),
-            // Week
-            // ISO-8601 week number of year (weeks starting on monday)
-            'W' => array(
-                'js'     => '',
-                'moment' => 'w',
-            ),
-            // Month
-            // January...December
-            'F' => array(
-                'js'     => 'MM',
-                'moment' => 'MMMM',
-            ),
-            // 01...12
-            'm' => array(
-                'js'     => 'mm',
-                'moment' => 'MM',
-            ),
-            // Jan...Dec
-            'M' => array(
-                'js'     => 'M',
-                'moment' => 'MMM',
-            ),
-            // 1-12
-            'n' => array(
-                'js'     => 'm',
-                'moment' => 'M',
-            ),
-            // number of days in given month
-            't' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // Year
-            // whether leap year or not 1/0
-            'L' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // ISO-8601 year number
-            'o' => array(
-                'js'     => '',
-                'moment' => 'GGGG',
-            ),
-            // 1999...2003
-            'Y' => array(
-                'js'     => 'yy',
-                'moment' => 'YYYY',
-            ),
-            // 99...03
-            'y' => array(
-                'js'     => 'y',
-                'moment' => 'YY',
-            ),
-            // Time
-            // am/pm
-            'a' => array(
-                'js'     => 'tt',
-                'moment' => 'a',
-            ),
-            // AM/PM
-            'A' => array(
-                'js'     => 'TT',
-                'moment' => 'A',
-            ),
-            // Swatch Internet Time?!?
-            'B' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-            // 1...12
-            'g' => array(
-                'js'     => 'h',
-                'moment' => 'h',
-            ),
-            // 0...23
-            'G' => array(
-                'js'     => 'H',
-                'moment' => 'H',
-            ),
-            // 01...12
-            'h' => array(
-                'js'     => 'hh',
-                'moment' => 'hh',
-            ),
-            // 00...23
-            'H' => array(
-                'js'     => 'HH',
-                'moment' => 'HH',
-            ),
-            // 00..59
-            'i' => array(
-                'js'     => 'mm',
-                'moment' => 'mm',
-            ),
-            // seconds... 00...59
-            's' => array(
-                'js'     => 'ss',
-                'moment' => 'ss',
-            ),
-            // microseconds
-            'u' => array(
-                'js'     => '',
-                'moment' => '',
-            ),
-        );
-        $jquery_ui_format     = '';
-        $moment_format        = '';
-        $escaping             = false;
-        $format_string_length = strlen($format_string);
-        for ($i = 0; $i < $format_string_length; $i++) {
-            $char = $format_string[ $i ];
-            if ($char === '\\') { // PHP date format escaping character
-                $i++;
-                if ($escaping) {
-                    $jquery_ui_format .= $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
-                } else {
-                    $jquery_ui_format .= '\'' . $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
-                }
-                $escaping = true;
-            } else {
-                if ($escaping) {
-                    $jquery_ui_format .= "'";
-                    $moment_format    .= "'";
-                    $escaping         = false;
-                }
-                if (isset($symbols_map[ $char ])) {
-                    $jquery_ui_format .= $symbols_map[ $char ]['js'];
-                    $moment_format    .= $symbols_map[ $char ]['moment'];
-                } else {
-                    $jquery_ui_format .= $char;
-                    $moment_format    .= $char;
-                }
-            }
-        }
-        return array('js' => $jquery_ui_format, 'moment' => $moment_format);
-    }
+	/**
+	 * This converts incoming format string into js and moment variations.
+	 *
+	 * @param string $format_string incoming php format string
+	 * @return array js and moment formats.
+	 */
+	protected static function _php_to_js_moment_converter($format_string)
+	{
+		/**
+		 * This is a map of symbols for formats.
+		 * The index is the php symbol, the equivalent values are in the array.
+		 *
+		 * @var array
+		 */
+		$symbols_map          = array(
+			// Day
+			// 01
+			'd' => array(
+				'js'     => 'dd',
+				'moment' => 'DD',
+			),
+			// Mon
+			'D' => array(
+				'js'     => 'D',
+				'moment' => 'ddd',
+			),
+			// 1,2,...31
+			'j' => array(
+				'js'     => 'd',
+				'moment' => 'D',
+			),
+			// Monday
+			'l' => array(
+				'js'     => 'DD',
+				'moment' => 'dddd',
+			),
+			// ISO numeric representation of the day of the week (1-6)
+			'N' => array(
+				'js'     => '',
+				'moment' => 'E',
+			),
+			// st,nd.rd
+			'S' => array(
+				'js'     => '',
+				'moment' => 'o',
+			),
+			// numeric representation of day of week (0-6)
+			'w' => array(
+				'js'     => '',
+				'moment' => 'd',
+			),
+			// day of year starting from 0 (0-365)
+			'z' => array(
+				'js'     => 'o',
+				'moment' => 'DDD' // note moment does not start with 0 so will need to modify by subtracting 1
+			),
+			// Week
+			// ISO-8601 week number of year (weeks starting on monday)
+			'W' => array(
+				'js'     => '',
+				'moment' => 'w',
+			),
+			// Month
+			// January...December
+			'F' => array(
+				'js'     => 'MM',
+				'moment' => 'MMMM',
+			),
+			// 01...12
+			'm' => array(
+				'js'     => 'mm',
+				'moment' => 'MM',
+			),
+			// Jan...Dec
+			'M' => array(
+				'js'     => 'M',
+				'moment' => 'MMM',
+			),
+			// 1-12
+			'n' => array(
+				'js'     => 'm',
+				'moment' => 'M',
+			),
+			// number of days in given month
+			't' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// Year
+			// whether leap year or not 1/0
+			'L' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// ISO-8601 year number
+			'o' => array(
+				'js'     => '',
+				'moment' => 'GGGG',
+			),
+			// 1999...2003
+			'Y' => array(
+				'js'     => 'yy',
+				'moment' => 'YYYY',
+			),
+			// 99...03
+			'y' => array(
+				'js'     => 'y',
+				'moment' => 'YY',
+			),
+			// Time
+			// am/pm
+			'a' => array(
+				'js'     => 'tt',
+				'moment' => 'a',
+			),
+			// AM/PM
+			'A' => array(
+				'js'     => 'TT',
+				'moment' => 'A',
+			),
+			// Swatch Internet Time?!?
+			'B' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+			// 1...12
+			'g' => array(
+				'js'     => 'h',
+				'moment' => 'h',
+			),
+			// 0...23
+			'G' => array(
+				'js'     => 'H',
+				'moment' => 'H',
+			),
+			// 01...12
+			'h' => array(
+				'js'     => 'hh',
+				'moment' => 'hh',
+			),
+			// 00...23
+			'H' => array(
+				'js'     => 'HH',
+				'moment' => 'HH',
+			),
+			// 00..59
+			'i' => array(
+				'js'     => 'mm',
+				'moment' => 'mm',
+			),
+			// seconds... 00...59
+			's' => array(
+				'js'     => 'ss',
+				'moment' => 'ss',
+			),
+			// microseconds
+			'u' => array(
+				'js'     => '',
+				'moment' => '',
+			),
+		);
+		$jquery_ui_format     = '';
+		$moment_format        = '';
+		$escaping             = false;
+		$format_string_length = strlen($format_string);
+		for ($i = 0; $i < $format_string_length; $i++) {
+			$char = $format_string[ $i ];
+			if ($char === '\\') { // PHP date format escaping character
+				$i++;
+				if ($escaping) {
+					$jquery_ui_format .= $format_string[ $i ];
+					$moment_format    .= $format_string[ $i ];
+				} else {
+					$jquery_ui_format .= '\'' . $format_string[ $i ];
+					$moment_format    .= $format_string[ $i ];
+				}
+				$escaping = true;
+			} else {
+				if ($escaping) {
+					$jquery_ui_format .= "'";
+					$moment_format    .= "'";
+					$escaping         = false;
+				}
+				if (isset($symbols_map[ $char ])) {
+					$jquery_ui_format .= $symbols_map[ $char ]['js'];
+					$moment_format    .= $symbols_map[ $char ]['moment'];
+				} else {
+					$jquery_ui_format .= $char;
+					$moment_format    .= $char;
+				}
+			}
+		}
+		return array('js' => $jquery_ui_format, 'moment' => $moment_format);
+	}
 
 
-    /**
-     * This takes an incoming format string and validates it to ensure it will work fine with PHP.
-     *
-     * @param string $format_string   Incoming format string for php date().
-     * @return mixed bool|array  If all is okay then TRUE is returned.  Otherwise an array of validation
-     *                                errors is returned.  So for client code calling, check for is_array() to
-     *                                indicate failed validations.
-     */
-    public static function validate_format_string($format_string)
-    {
-        $error_msg = array();
-        // time format checks
-        switch (true) {
-            case strpos($format_string, 'h') !== false:
-            case strpos($format_string, 'g') !== false:
-                /**
-                 * if the time string has a lowercase 'h' which == 12 hour time format and there
-                 * is not any ante meridiem format ('a' or 'A').  Then throw an error because its
-                 * too ambiguous and PHP won't be able to figure out whether 1 = 1pm or 1am.
-                 */
-                if (stripos($format_string, 'A') === false) {
-                    $error_msg[] = esc_html__(
-                        'There is a  time format for 12 hour time but no  "a" or "A" to indicate am/pm.  Without this distinction, PHP is unable to determine if a "1" for the hour value equals "1pm" or "1am".',
-                        'event_espresso'
-                    );
-                }
-                break;
-        }
-        return empty($error_msg) ? true : $error_msg;
-    }
+	/**
+	 * This takes an incoming format string and validates it to ensure it will work fine with PHP.
+	 *
+	 * @param string $format_string   Incoming format string for php date().
+	 * @return mixed bool|array  If all is okay then TRUE is returned.  Otherwise an array of validation
+	 *                                errors is returned.  So for client code calling, check for is_array() to
+	 *                                indicate failed validations.
+	 */
+	public static function validate_format_string($format_string)
+	{
+		$error_msg = array();
+		// time format checks
+		switch (true) {
+			case strpos($format_string, 'h') !== false:
+			case strpos($format_string, 'g') !== false:
+				/**
+				 * if the time string has a lowercase 'h' which == 12 hour time format and there
+				 * is not any ante meridiem format ('a' or 'A').  Then throw an error because its
+				 * too ambiguous and PHP won't be able to figure out whether 1 = 1pm or 1am.
+				 */
+				if (stripos($format_string, 'A') === false) {
+					$error_msg[] = esc_html__(
+						'There is a  time format for 12 hour time but no  "a" or "A" to indicate am/pm.  Without this distinction, PHP is unable to determine if a "1" for the hour value equals "1pm" or "1am".',
+						'event_espresso'
+					);
+				}
+				break;
+		}
+		return empty($error_msg) ? true : $error_msg;
+	}
 
 
-    /**
-     *     If the the first date starts at midnight on one day, and the next date ends at midnight on the
-     *     very next day then this method will return true.
-     *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-16 00:00:00 then this function will return true.
-     *    If $date_1 = 2015-12-15 03:00:00 and $date_2 = 2015-12_16 03:00:00 then this function will return false.
-     *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-15 00:00:00 then this function will return true.
-     *
-     * @param mixed $date_1
-     * @param mixed $date_2
-     * @return bool
-     */
-    public static function dates_represent_one_24_hour_date($date_1, $date_2)
-    {
+	/**
+	 *     If the the first date starts at midnight on one day, and the next date ends at midnight on the
+	 *     very next day then this method will return true.
+	 *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-16 00:00:00 then this function will return true.
+	 *    If $date_1 = 2015-12-15 03:00:00 and $date_2 = 2015-12_16 03:00:00 then this function will return false.
+	 *    If $date_1 = 2015-12-15 00:00:00 and $date_2 = 2015-12-15 00:00:00 then this function will return true.
+	 *
+	 * @param mixed $date_1
+	 * @param mixed $date_2
+	 * @return bool
+	 */
+	public static function dates_represent_one_24_hour_date($date_1, $date_2)
+	{
 
-        if (
-            (! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
-            || ($date_1->format(EE_Datetime_Field::mysql_time_format) !== '00:00:00'
-                || $date_2->format(
-                    EE_Datetime_Field::mysql_time_format
-                ) !== '00:00:00')
-        ) {
-            return false;
-        }
-        return $date_2->format('U') - $date_1->format('U') === 86400;
-    }
+		if (
+			(! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
+			|| ($date_1->format(EE_Datetime_Field::mysql_time_format) !== '00:00:00'
+				|| $date_2->format(
+					EE_Datetime_Field::mysql_time_format
+				) !== '00:00:00')
+		) {
+			return false;
+		}
+		return $date_2->format('U') - $date_1->format('U') === 86400;
+	}
 
 
-    /**
-     * This returns the appropriate query interval string that can be used in sql queries involving mysql Date
-     * Functions.
-     *
-     * @param string $timezone_string    A timezone string in a valid format to instantiate a DateTimeZone object.
-     * @param string $field_for_interval The Database field that is the interval is applied to in the query.
-     * @return string
-     */
-    public static function get_sql_query_interval_for_offset($timezone_string, $field_for_interval)
-    {
-        try {
-            /** need to account for timezone offset on the selects */
-            $DateTimeZone = new DateTimeZone($timezone_string);
-        } catch (Exception $e) {
-            $DateTimeZone = null;
-        }
-        /**
-         * Note get_option( 'gmt_offset') returns a value in hours, whereas DateTimeZone::getOffset returns values in seconds.
-         * Hence we do the calc for DateTimeZone::getOffset.
-         */
-        $offset         = $DateTimeZone instanceof DateTimeZone
-            ? $DateTimeZone->getOffset(new DateTime('now')) / HOUR_IN_SECONDS
-            : (float) get_option('gmt_offset');
-        $query_interval = $offset < 0
-            ? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
-            : 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
-        return $query_interval;
-    }
+	/**
+	 * This returns the appropriate query interval string that can be used in sql queries involving mysql Date
+	 * Functions.
+	 *
+	 * @param string $timezone_string    A timezone string in a valid format to instantiate a DateTimeZone object.
+	 * @param string $field_for_interval The Database field that is the interval is applied to in the query.
+	 * @return string
+	 */
+	public static function get_sql_query_interval_for_offset($timezone_string, $field_for_interval)
+	{
+		try {
+			/** need to account for timezone offset on the selects */
+			$DateTimeZone = new DateTimeZone($timezone_string);
+		} catch (Exception $e) {
+			$DateTimeZone = null;
+		}
+		/**
+		 * Note get_option( 'gmt_offset') returns a value in hours, whereas DateTimeZone::getOffset returns values in seconds.
+		 * Hence we do the calc for DateTimeZone::getOffset.
+		 */
+		$offset         = $DateTimeZone instanceof DateTimeZone
+			? $DateTimeZone->getOffset(new DateTime('now')) / HOUR_IN_SECONDS
+			: (float) get_option('gmt_offset');
+		$query_interval = $offset < 0
+			? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
+			: 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
+		return $query_interval;
+	}
 
 
-    /**
-     * Retrieves the site's default timezone and returns it formatted so it's ready for display
-     * to users. If you want to customize how its displayed feel free to fetch the 'timezone_string'
-     * and 'gmt_offset' WordPress options directly; or use the filter
-     * FHEE__EEH_DTT_Helper__get_timezone_string_for_display
-     * (although note that we remove any HTML that may be added)
-     *
-     * @return string
-     */
-    public static function get_timezone_string_for_display()
-    {
-        $pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
-        if (! empty($pretty_timezone)) {
-            return esc_html($pretty_timezone);
-        }
-        $timezone_string = get_option('timezone_string');
-        if ($timezone_string) {
-            static $mo_loaded = false;
-            // Load translations for continents and cities just like wp_timezone_choice does
-            if (! $mo_loaded) {
-                $locale = get_locale();
-                $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
-                load_textdomain('continents-cities', $mofile);
-                $mo_loaded = true;
-            }
-            // well that was easy.
-            $parts = explode('/', $timezone_string);
-            // remove the continent
-            unset($parts[0]);
-            $t_parts = array();
-            // phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
-            // phpcs:disable WordPress.WP.I18n.TextDomainMismatch
-            // disabled because this code is copied from WordPress and is a WordPress domain
-            foreach ($parts as $part) {
-                $t_parts[] = translate(str_replace('_', ' ', $part), 'continents-cities');
-            }
-            return implode(' - ', $t_parts);
-            // phpcs:enable
-        }
-        // they haven't set the timezone string, so let's return a string like "UTC+1"
-        $gmt_offset = get_option('gmt_offset');
-        $prefix     = (int) $gmt_offset >= 0 ? '+' : '';
-        $parts      = explode('.', (string) $gmt_offset);
-        if (count($parts) === 1) {
-            $parts[1] = '00';
-        } else {
-            // convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
-            // to minutes, eg 30 or 15, respectively
-            $hour_fraction = (float) ('0.' . $parts[1]);
-            $parts[1]      = (string) $hour_fraction * 60;
-        }
-        return sprintf(esc_html__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
-    }
+	/**
+	 * Retrieves the site's default timezone and returns it formatted so it's ready for display
+	 * to users. If you want to customize how its displayed feel free to fetch the 'timezone_string'
+	 * and 'gmt_offset' WordPress options directly; or use the filter
+	 * FHEE__EEH_DTT_Helper__get_timezone_string_for_display
+	 * (although note that we remove any HTML that may be added)
+	 *
+	 * @return string
+	 */
+	public static function get_timezone_string_for_display()
+	{
+		$pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
+		if (! empty($pretty_timezone)) {
+			return esc_html($pretty_timezone);
+		}
+		$timezone_string = get_option('timezone_string');
+		if ($timezone_string) {
+			static $mo_loaded = false;
+			// Load translations for continents and cities just like wp_timezone_choice does
+			if (! $mo_loaded) {
+				$locale = get_locale();
+				$mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+				load_textdomain('continents-cities', $mofile);
+				$mo_loaded = true;
+			}
+			// well that was easy.
+			$parts = explode('/', $timezone_string);
+			// remove the continent
+			unset($parts[0]);
+			$t_parts = array();
+			// phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
+			// phpcs:disable WordPress.WP.I18n.TextDomainMismatch
+			// disabled because this code is copied from WordPress and is a WordPress domain
+			foreach ($parts as $part) {
+				$t_parts[] = translate(str_replace('_', ' ', $part), 'continents-cities');
+			}
+			return implode(' - ', $t_parts);
+			// phpcs:enable
+		}
+		// they haven't set the timezone string, so let's return a string like "UTC+1"
+		$gmt_offset = get_option('gmt_offset');
+		$prefix     = (int) $gmt_offset >= 0 ? '+' : '';
+		$parts      = explode('.', (string) $gmt_offset);
+		if (count($parts) === 1) {
+			$parts[1] = '00';
+		} else {
+			// convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
+			// to minutes, eg 30 or 15, respectively
+			$hour_fraction = (float) ('0.' . $parts[1]);
+			$parts[1]      = (string) $hour_fraction * 60;
+		}
+		return sprintf(esc_html__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
+	}
 
 
 
-    /**
-     * So PHP does this awesome thing where if you are trying to get a timestamp
-     * for a month using a string like "February" or "February 2017",
-     * and you don't specify a day as part of your string,
-     * then PHP will use whatever the current day of the month is.
-     * IF the current day of the month happens to be the 30th or 31st,
-     * then PHP gets really confused by a date like February 30,
-     * so instead of saying
-     *      "Hey February only has 28 days (this year)...
-     *      ...you must have meant the last day of the month!"
-     * PHP does the next most logical thing, and bumps the date up to March 2nd,
-     * because someone requesting February 30th obviously meant March 1st!
-     * The way around this is to always set the day to the first,
-     * so that the month will stay on the month you wanted.
-     * this method will add that "1" into your date regardless of the format.
-     *
-     * @param string $month
-     * @return string
-     */
-    public static function first_of_month_timestamp($month = '')
-    {
-        $month = (string) $month;
-        $year  = '';
-        // check if the incoming string has a year in it or not
-        if (preg_match('/\b\d{4}\b/', $month, $matches)) {
-            $year = $matches[0];
-            // ten remove that from the month string as well as any spaces
-            $month = trim(str_replace($year, '', $month));
-            // add a space before the year
-            $year = " {$year}";
-        }
-        // return timestamp for something like "February 1 2017"
-        return strtotime("{$month} 1{$year}");
-    }
+	/**
+	 * So PHP does this awesome thing where if you are trying to get a timestamp
+	 * for a month using a string like "February" or "February 2017",
+	 * and you don't specify a day as part of your string,
+	 * then PHP will use whatever the current day of the month is.
+	 * IF the current day of the month happens to be the 30th or 31st,
+	 * then PHP gets really confused by a date like February 30,
+	 * so instead of saying
+	 *      "Hey February only has 28 days (this year)...
+	 *      ...you must have meant the last day of the month!"
+	 * PHP does the next most logical thing, and bumps the date up to March 2nd,
+	 * because someone requesting February 30th obviously meant March 1st!
+	 * The way around this is to always set the day to the first,
+	 * so that the month will stay on the month you wanted.
+	 * this method will add that "1" into your date regardless of the format.
+	 *
+	 * @param string $month
+	 * @return string
+	 */
+	public static function first_of_month_timestamp($month = '')
+	{
+		$month = (string) $month;
+		$year  = '';
+		// check if the incoming string has a year in it or not
+		if (preg_match('/\b\d{4}\b/', $month, $matches)) {
+			$year = $matches[0];
+			// ten remove that from the month string as well as any spaces
+			$month = trim(str_replace($year, '', $month));
+			// add a space before the year
+			$year = " {$year}";
+		}
+		// return timestamp for something like "February 1 2017"
+		return strtotime("{$month} 1{$year}");
+	}
 
 
-    /**
-     * This simply returns the timestamp for tomorrow (midnight next day) in this sites timezone.  So it may be midnight
-     * for this sites timezone, but the timestamp could be some other time GMT.
-     */
-    public static function tomorrow()
-    {
-        // The multiplication of -1 ensures that we switch positive offsets to negative and negative offsets to positive
-        // before adding to the timestamp.  Why? Because we want tomorrow to be for midnight the next day in THIS timezone
-        // not an offset from midnight in UTC.  So if we're starting with UTC 00:00:00, then we want to make sure the
-        // final timestamp is equivalent to midnight in this timezone as represented in GMT.
-        return strtotime('tomorrow') + (self::get_site_timezone_gmt_offset() * -1);
-    }
+	/**
+	 * This simply returns the timestamp for tomorrow (midnight next day) in this sites timezone.  So it may be midnight
+	 * for this sites timezone, but the timestamp could be some other time GMT.
+	 */
+	public static function tomorrow()
+	{
+		// The multiplication of -1 ensures that we switch positive offsets to negative and negative offsets to positive
+		// before adding to the timestamp.  Why? Because we want tomorrow to be for midnight the next day in THIS timezone
+		// not an offset from midnight in UTC.  So if we're starting with UTC 00:00:00, then we want to make sure the
+		// final timestamp is equivalent to midnight in this timezone as represented in GMT.
+		return strtotime('tomorrow') + (self::get_site_timezone_gmt_offset() * -1);
+	}
 
 
-    /**
-     * **
-     * Gives a nicely-formatted list of timezone strings.
-     * Copied from the core wp function by the same name so we could customize to remove UTC offsets.
-     *
-     * @since     4.9.40.rc.008
-     * @staticvar bool $mo_loaded
-     * @staticvar string $locale_loaded
-     * @param string $selected_zone Selected timezone.
-     * @param string $locale        Optional. Locale to load the timezones in. Default current site locale.
-     * @return string
-     */
-    public static function wp_timezone_choice($selected_zone, $locale = null)
-    {
-        static $mo_loaded = false, $locale_loaded = null;
-        $continents = array(
-            'Africa',
-            'America',
-            'Antarctica',
-            'Arctic',
-            'Asia',
-            'Atlantic',
-            'Australia',
-            'Europe',
-            'Indian',
-            'Pacific',
-        );
-        // Load translations for continents and cities.
-        if (! $mo_loaded || $locale !== $locale_loaded) {
-            $locale_loaded = $locale ? $locale : get_locale();
-            $mofile        = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
-            unload_textdomain('continents-cities');
-            load_textdomain('continents-cities', $mofile);
-            $mo_loaded = true;
-        }
-        $zone_data = array();
-        foreach (timezone_identifiers_list() as $zone) {
-            $zone = explode('/', $zone);
-            if (! in_array($zone[0], $continents, true)) {
-                continue;
-            }
-            // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
-            $exists      = array(
-                0 => isset($zone[0]) && $zone[0],
-                1 => isset($zone[1]) && $zone[1],
-                2 => isset($zone[2]) && $zone[2],
-            );
-            $exists[3]   = $exists[0] && $zone[0] !== 'Etc';
-            $exists[4]   = $exists[1] && $exists[3];
-            $exists[5]   = $exists[2] && $exists[3];
-            // phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
-            // phpcs:disable WordPress.WP.I18n.TextDomainMismatch
-            // disabled because this code is copied from WordPress and is a WordPress domain
-            $zone_data[] = array(
-                'continent'   => $exists[0] ? $zone[0] : '',
-                'city'        => $exists[1] ? $zone[1] : '',
-                'subcity'     => $exists[2] ? $zone[2] : '',
-                't_continent' => $exists[3]
-                    ? translate(str_replace('_', ' ', $zone[0]), 'continents-cities')
-                    : '',
-                't_city'      => $exists[4]
-                    ? translate(str_replace('_', ' ', $zone[1]), 'continents-cities')
-                    : '',
-                't_subcity'   => $exists[5]
-                    ? translate(str_replace('_', ' ', $zone[2]), 'continents-cities')
-                    : '',
-            );
-            // phpcs:enable
-        }
-        usort($zone_data, '_wp_timezone_choice_usort_callback');
-        $structure = array();
-        if (empty($selected_zone)) {
-            $structure[] = '<option selected="selected" value="">' . esc_html__('Select a city', 'event_espresso') . '</option>';
-        }
-        foreach ($zone_data as $key => $zone) {
-            // Build value in an array to join later
-            $value = array($zone['continent']);
-            if (empty($zone['city'])) {
-                // It's at the continent level (generally won't happen)
-                $display = $zone['t_continent'];
-            } else {
-                // It's inside a continent group
-                // Continent optgroup
-                if (! isset($zone_data[ $key - 1 ]) || $zone_data[ $key - 1 ]['continent'] !== $zone['continent']) {
-                    $label       = $zone['t_continent'];
-                    $structure[] = '<optgroup label="' . esc_attr($label) . '">';
-                }
-                // Add the city to the value
-                $value[] = $zone['city'];
-                $display = $zone['t_city'];
-                if (! empty($zone['subcity'])) {
-                    // Add the subcity to the value
-                    $value[] = $zone['subcity'];
-                    $display .= ' - ' . $zone['t_subcity'];
-                }
-            }
-            // Build the value
-            $value       = implode('/', $value);
-            $selected    = $value === $selected_zone ? ' selected="selected"' : '';
-            $structure[] = '<option value="' . esc_attr($value) . '"' . $selected . '>'
-                           . esc_html($display)
-                           . '</option>';
-            // Close continent optgroup
-            if (
-                ! empty($zone['city'])
-                && (
-                    ! isset($zone_data[ $key + 1 ])
-                    || (isset($zone_data[ $key + 1 ]) && $zone_data[ $key + 1 ]['continent'] !== $zone['continent'])
-                )
-            ) {
-                $structure[] = '</optgroup>';
-            }
-        }
-        return implode("\n", $structure);
-    }
+	/**
+	 * **
+	 * Gives a nicely-formatted list of timezone strings.
+	 * Copied from the core wp function by the same name so we could customize to remove UTC offsets.
+	 *
+	 * @since     4.9.40.rc.008
+	 * @staticvar bool $mo_loaded
+	 * @staticvar string $locale_loaded
+	 * @param string $selected_zone Selected timezone.
+	 * @param string $locale        Optional. Locale to load the timezones in. Default current site locale.
+	 * @return string
+	 */
+	public static function wp_timezone_choice($selected_zone, $locale = null)
+	{
+		static $mo_loaded = false, $locale_loaded = null;
+		$continents = array(
+			'Africa',
+			'America',
+			'Antarctica',
+			'Arctic',
+			'Asia',
+			'Atlantic',
+			'Australia',
+			'Europe',
+			'Indian',
+			'Pacific',
+		);
+		// Load translations for continents and cities.
+		if (! $mo_loaded || $locale !== $locale_loaded) {
+			$locale_loaded = $locale ? $locale : get_locale();
+			$mofile        = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
+			unload_textdomain('continents-cities');
+			load_textdomain('continents-cities', $mofile);
+			$mo_loaded = true;
+		}
+		$zone_data = array();
+		foreach (timezone_identifiers_list() as $zone) {
+			$zone = explode('/', $zone);
+			if (! in_array($zone[0], $continents, true)) {
+				continue;
+			}
+			// This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
+			$exists      = array(
+				0 => isset($zone[0]) && $zone[0],
+				1 => isset($zone[1]) && $zone[1],
+				2 => isset($zone[2]) && $zone[2],
+			);
+			$exists[3]   = $exists[0] && $zone[0] !== 'Etc';
+			$exists[4]   = $exists[1] && $exists[3];
+			$exists[5]   = $exists[2] && $exists[3];
+			// phpcs:disable WordPress.WP.I18n.NonSingularStringLiteralText
+			// phpcs:disable WordPress.WP.I18n.TextDomainMismatch
+			// disabled because this code is copied from WordPress and is a WordPress domain
+			$zone_data[] = array(
+				'continent'   => $exists[0] ? $zone[0] : '',
+				'city'        => $exists[1] ? $zone[1] : '',
+				'subcity'     => $exists[2] ? $zone[2] : '',
+				't_continent' => $exists[3]
+					? translate(str_replace('_', ' ', $zone[0]), 'continents-cities')
+					: '',
+				't_city'      => $exists[4]
+					? translate(str_replace('_', ' ', $zone[1]), 'continents-cities')
+					: '',
+				't_subcity'   => $exists[5]
+					? translate(str_replace('_', ' ', $zone[2]), 'continents-cities')
+					: '',
+			);
+			// phpcs:enable
+		}
+		usort($zone_data, '_wp_timezone_choice_usort_callback');
+		$structure = array();
+		if (empty($selected_zone)) {
+			$structure[] = '<option selected="selected" value="">' . esc_html__('Select a city', 'event_espresso') . '</option>';
+		}
+		foreach ($zone_data as $key => $zone) {
+			// Build value in an array to join later
+			$value = array($zone['continent']);
+			if (empty($zone['city'])) {
+				// It's at the continent level (generally won't happen)
+				$display = $zone['t_continent'];
+			} else {
+				// It's inside a continent group
+				// Continent optgroup
+				if (! isset($zone_data[ $key - 1 ]) || $zone_data[ $key - 1 ]['continent'] !== $zone['continent']) {
+					$label       = $zone['t_continent'];
+					$structure[] = '<optgroup label="' . esc_attr($label) . '">';
+				}
+				// Add the city to the value
+				$value[] = $zone['city'];
+				$display = $zone['t_city'];
+				if (! empty($zone['subcity'])) {
+					// Add the subcity to the value
+					$value[] = $zone['subcity'];
+					$display .= ' - ' . $zone['t_subcity'];
+				}
+			}
+			// Build the value
+			$value       = implode('/', $value);
+			$selected    = $value === $selected_zone ? ' selected="selected"' : '';
+			$structure[] = '<option value="' . esc_attr($value) . '"' . $selected . '>'
+						   . esc_html($display)
+						   . '</option>';
+			// Close continent optgroup
+			if (
+				! empty($zone['city'])
+				&& (
+					! isset($zone_data[ $key + 1 ])
+					|| (isset($zone_data[ $key + 1 ]) && $zone_data[ $key + 1 ]['continent'] !== $zone['continent'])
+				)
+			) {
+				$structure[] = '</optgroup>';
+			}
+		}
+		return implode("\n", $structure);
+	}
 
 
-    /**
-     * Shim for the WP function `get_user_locale` that was added in WordPress 4.7.0
-     *
-     * @param int|WP_User $user_id
-     * @return string
-     */
-    public static function get_user_locale($user_id = 0)
-    {
-        if (function_exists('get_user_locale')) {
-            return get_user_locale($user_id);
-        }
-        return get_locale();
-    }
+	/**
+	 * Shim for the WP function `get_user_locale` that was added in WordPress 4.7.0
+	 *
+	 * @param int|WP_User $user_id
+	 * @return string
+	 */
+	public static function get_user_locale($user_id = 0)
+	{
+		if (function_exists('get_user_locale')) {
+			return get_user_locale($user_id);
+		}
+		return get_locale();
+	}
 
 
-    /**
-     * Return the appropriate helper adapter for DTT related things.
-     *
-     * @return HelperInterface
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     */
-    private static function getHelperAdapter()
-    {
-        $dtt_helper_fqcn = PHP_VERSION_ID < 50600
-            ? 'EventEspresso\core\services\helpers\datetime\PhpCompatLessFiveSixHelper'
-            : 'EventEspresso\core\services\helpers\datetime\PhpCompatGreaterFiveSixHelper';
-        return LoaderFactory::getLoader()->getShared($dtt_helper_fqcn);
-    }
+	/**
+	 * Return the appropriate helper adapter for DTT related things.
+	 *
+	 * @return HelperInterface
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 */
+	private static function getHelperAdapter()
+	{
+		$dtt_helper_fqcn = PHP_VERSION_ID < 50600
+			? 'EventEspresso\core\services\helpers\datetime\PhpCompatLessFiveSixHelper'
+			: 'EventEspresso\core\services\helpers\datetime\PhpCompatGreaterFiveSixHelper';
+		return LoaderFactory::getLoader()->getShared($dtt_helper_fqcn);
+	}
 
 
-    /**
-     * Helper function for setting the timezone on a DateTime object.
-     * This is implemented to standardize a workaround for a PHP bug outlined in
-     * https://events.codebasehq.com/projects/event-espresso/tickets/11407 and
-     * https://events.codebasehq.com/projects/event-espresso/tickets/11233
-     *
-     * @param DateTime     $datetime
-     * @param DateTimeZone $timezone
-     */
-    public static function setTimezone(DateTime $datetime, DateTimeZone $timezone)
-    {
-        $datetime->setTimezone($timezone);
-        $datetime->getTimestamp();
-    }
+	/**
+	 * Helper function for setting the timezone on a DateTime object.
+	 * This is implemented to standardize a workaround for a PHP bug outlined in
+	 * https://events.codebasehq.com/projects/event-espresso/tickets/11407 and
+	 * https://events.codebasehq.com/projects/event-espresso/tickets/11233
+	 *
+	 * @param DateTime     $datetime
+	 * @param DateTimeZone $timezone
+	 */
+	public static function setTimezone(DateTime $datetime, DateTimeZone $timezone)
+	{
+		$datetime->setTimezone($timezone);
+		$datetime->getTimestamp();
+	}
 }

Spacing +41 added lines, -41 removed lines

@@ -131,7 +131,7 @@ 
      */
     public static function get_timezone_string_from_abbreviations_list($gmt_offset = 0, $coerce = true)
     {
-        $gmt_offset =  (int) $gmt_offset;
+        $gmt_offset = (int) $gmt_offset;
         /** @var array[] $abbreviations */
         $abbreviations = DateTimeZone::listAbbreviations();
         foreach ($abbreviations as $abbreviation) {
@@ -326,7 +326,7 @@ 
      */
     protected static function _modify_datetime_object(DateTime $DateTime, $period = 'years', $value = 1, $operand = '+')
     {
-        if (! $DateTime instanceof DateTime) {
+        if ( ! $DateTime instanceof DateTime) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('Expected a PHP DateTime object, but instead received %1$s', 'event_espresso'),
@@ -336,25 +336,25 @@ 
         }
         switch ($period) {
             case 'years':
-                $value = 'P' . $value . 'Y';
+                $value = 'P'.$value.'Y';
                 break;
             case 'months':
-                $value = 'P' . $value . 'M';
+                $value = 'P'.$value.'M';
                 break;
             case 'weeks':
-                $value = 'P' . $value . 'W';
+                $value = 'P'.$value.'W';
                 break;
             case 'days':
-                $value = 'P' . $value . 'D';
+                $value = 'P'.$value.'D';
                 break;
             case 'hours':
-                $value = 'PT' . $value . 'H';
+                $value = 'PT'.$value.'H';
                 break;
             case 'minutes':
-                $value = 'PT' . $value . 'M';
+                $value = 'PT'.$value.'M';
                 break;
             case 'seconds':
-                $value = 'PT' . $value . 'S';
+                $value = 'PT'.$value.'S';
                 break;
         }
         switch ($operand) {
@@ -382,7 +382,7 @@ 
      */
     protected static function _modify_timestamp($timestamp, $period = 'years', $value = 1, $operand = '+')
     {
-        if (! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
+        if ( ! preg_match(EE_Datetime_Field::unix_timestamp_regex, $timestamp)) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('Expected a Unix timestamp, but instead received %1$s', 'event_espresso'),
@@ -495,7 +495,7 @@ 
                 'date' => $date_format['js'],
                 'time' => $time_format['js'],
             ),
-            'moment' => $date_format['moment'] . ' ' . $time_format['moment'],
+            'moment' => $date_format['moment'].' '.$time_format['moment'],
             'moment_split' => array(
                 'date' => $date_format['moment'],
                 'time' => $time_format['moment']
@@ -518,7 +518,7 @@ 
          *
          * @var array
          */
-        $symbols_map          = array(
+        $symbols_map = array(
             // Day
             // 01
             'd' => array(
@@ -670,26 +670,26 @@ 
         $escaping             = false;
         $format_string_length = strlen($format_string);
         for ($i = 0; $i < $format_string_length; $i++) {
-            $char = $format_string[ $i ];
+            $char = $format_string[$i];
             if ($char === '\\') { // PHP date format escaping character
                 $i++;
                 if ($escaping) {
-                    $jquery_ui_format .= $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
+                    $jquery_ui_format .= $format_string[$i];
+                    $moment_format    .= $format_string[$i];
                 } else {
-                    $jquery_ui_format .= '\'' . $format_string[ $i ];
-                    $moment_format    .= $format_string[ $i ];
+                    $jquery_ui_format .= '\''.$format_string[$i];
+                    $moment_format    .= $format_string[$i];
                 }
                 $escaping = true;
             } else {
                 if ($escaping) {
                     $jquery_ui_format .= "'";
                     $moment_format    .= "'";
-                    $escaping         = false;
+                    $escaping = false;
                 }
-                if (isset($symbols_map[ $char ])) {
-                    $jquery_ui_format .= $symbols_map[ $char ]['js'];
-                    $moment_format    .= $symbols_map[ $char ]['moment'];
+                if (isset($symbols_map[$char])) {
+                    $jquery_ui_format .= $symbols_map[$char]['js'];
+                    $moment_format    .= $symbols_map[$char]['moment'];
                 } else {
                     $jquery_ui_format .= $char;
                     $moment_format    .= $char;
@@ -747,7 +747,7 @@ 
     {
 
         if (
-            (! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
+            ( ! $date_1 instanceof DateTime || ! $date_2 instanceof DateTime)
             || ($date_1->format(EE_Datetime_Field::mysql_time_format) !== '00:00:00'
                 || $date_2->format(
                     EE_Datetime_Field::mysql_time_format
@@ -783,8 +783,8 @@ 
             ? $DateTimeZone->getOffset(new DateTime('now')) / HOUR_IN_SECONDS
             : (float) get_option('gmt_offset');
         $query_interval = $offset < 0
-            ? 'DATE_SUB(' . $field_for_interval . ', INTERVAL ' . $offset * -1 . ' HOUR)'
-            : 'DATE_ADD(' . $field_for_interval . ', INTERVAL ' . $offset . ' HOUR)';
+            ? 'DATE_SUB('.$field_for_interval.', INTERVAL '.$offset * -1.' HOUR)'
+            : 'DATE_ADD('.$field_for_interval.', INTERVAL '.$offset.' HOUR)';
         return $query_interval;
     }
 
@@ -801,16 +801,16 @@ 
     public static function get_timezone_string_for_display()
     {
         $pretty_timezone = apply_filters('FHEE__EEH_DTT_Helper__get_timezone_string_for_display', '');
-        if (! empty($pretty_timezone)) {
+        if ( ! empty($pretty_timezone)) {
             return esc_html($pretty_timezone);
         }
         $timezone_string = get_option('timezone_string');
         if ($timezone_string) {
             static $mo_loaded = false;
             // Load translations for continents and cities just like wp_timezone_choice does
-            if (! $mo_loaded) {
+            if ( ! $mo_loaded) {
                 $locale = get_locale();
-                $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+                $mofile = WP_LANG_DIR.'/continents-cities-'.$locale.'.mo';
                 load_textdomain('continents-cities', $mofile);
                 $mo_loaded = true;
             }
@@ -837,10 +837,10 @@ 
         } else {
             // convert the part after the decimal, eg "5" (from x.5) or "25" (from x.25)
             // to minutes, eg 30 or 15, respectively
-            $hour_fraction = (float) ('0.' . $parts[1]);
+            $hour_fraction = (float) ('0.'.$parts[1]);
             $parts[1]      = (string) $hour_fraction * 60;
         }
-        return sprintf(esc_html__('UTC%1$s', 'event_espresso'), $prefix . implode(':', $parts));
+        return sprintf(esc_html__('UTC%1$s', 'event_espresso'), $prefix.implode(':', $parts));
     }
 
 
@@ -923,9 +923,9 @@ 
             'Pacific',
         );
         // Load translations for continents and cities.
-        if (! $mo_loaded || $locale !== $locale_loaded) {
+        if ( ! $mo_loaded || $locale !== $locale_loaded) {
             $locale_loaded = $locale ? $locale : get_locale();
-            $mofile        = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
+            $mofile        = WP_LANG_DIR.'/continents-cities-'.$locale_loaded.'.mo';
             unload_textdomain('continents-cities');
             load_textdomain('continents-cities', $mofile);
             $mo_loaded = true;
@@ -933,11 +933,11 @@ 
         $zone_data = array();
         foreach (timezone_identifiers_list() as $zone) {
             $zone = explode('/', $zone);
-            if (! in_array($zone[0], $continents, true)) {
+            if ( ! in_array($zone[0], $continents, true)) {
                 continue;
             }
             // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
-            $exists      = array(
+            $exists = array(
                 0 => isset($zone[0]) && $zone[0],
                 1 => isset($zone[1]) && $zone[1],
                 2 => isset($zone[2]) && $zone[2],
@@ -967,7 +967,7 @@ 
         usort($zone_data, '_wp_timezone_choice_usort_callback');
         $structure = array();
         if (empty($selected_zone)) {
-            $structure[] = '<option selected="selected" value="">' . esc_html__('Select a city', 'event_espresso') . '</option>';
+            $structure[] = '<option selected="selected" value="">'.esc_html__('Select a city', 'event_espresso').'</option>';
         }
         foreach ($zone_data as $key => $zone) {
             // Build value in an array to join later
@@ -978,31 +978,31 @@ 
             } else {
                 // It's inside a continent group
                 // Continent optgroup
-                if (! isset($zone_data[ $key - 1 ]) || $zone_data[ $key - 1 ]['continent'] !== $zone['continent']) {
+                if ( ! isset($zone_data[$key - 1]) || $zone_data[$key - 1]['continent'] !== $zone['continent']) {
                     $label       = $zone['t_continent'];
-                    $structure[] = '<optgroup label="' . esc_attr($label) . '">';
+                    $structure[] = '<optgroup label="'.esc_attr($label).'">';
                 }
                 // Add the city to the value
                 $value[] = $zone['city'];
                 $display = $zone['t_city'];
-                if (! empty($zone['subcity'])) {
+                if ( ! empty($zone['subcity'])) {
                     // Add the subcity to the value
                     $value[] = $zone['subcity'];
-                    $display .= ' - ' . $zone['t_subcity'];
+                    $display .= ' - '.$zone['t_subcity'];
                 }
             }
             // Build the value
             $value       = implode('/', $value);
             $selected    = $value === $selected_zone ? ' selected="selected"' : '';
-            $structure[] = '<option value="' . esc_attr($value) . '"' . $selected . '>'
+            $structure[] = '<option value="'.esc_attr($value).'"'.$selected.'>'
                            . esc_html($display)
                            . '</option>';
             // Close continent optgroup
             if (
                 ! empty($zone['city'])
                 && (
-                    ! isset($zone_data[ $key + 1 ])
-                    || (isset($zone_data[ $key + 1 ]) && $zone_data[ $key + 1 ]['continent'] !== $zone['continent'])
+                    ! isset($zone_data[$key + 1])
+                    || (isset($zone_data[$key + 1]) && $zone_data[$key + 1]['continent'] !== $zone['continent'])
                 )
             ) {
                 $structure[] = '</optgroup>';

core/helpers/EEH_Sideloader.helper.php

Indentation +324 added lines, -324 removed lines

@@ -12,328 +12,328 @@
 class EEH_Sideloader extends EEH_Base
 {
 
-    /**
-     * @since   4.1.0
-     * @var     string
-     */
-    private $_upload_to;
-
-    /**
-     * @since   4.10.5.p
-     * @var     string
-     */
-    private $_download_from;
-
-    /**
-     * @since   4.1.0
-     * @var     string
-     */
-    private $_permissions;
-
-    /**
-     * @since   4.1.0
-     * @var     string
-     */
-    private $_new_file_name;
-
-
-    /**
-     * constructor allows the user to set the properties on the sideloader on construct.  However, there are also setters for doing so.
-     *
-     * @since 4.1.0
-     * @param array $init array fo initializing the sideloader if keys match the properties.
-     */
-    public function __construct($init = array())
-    {
-        $this->_init($init);
-    }
-
-
-    /**
-     * sets the properties for class either to defaults or using incoming initialization array
-     *
-     * @since 4.1.0
-     * @param  array  $init array on init (keys match properties others ignored)
-     * @return void
-     */
-    private function _init($init)
-    {
-        $defaults = array(
-            '_upload_to' => $this->_get_wp_uploads_dir(),
-            '_download_from' => '',
-            '_permissions' => 0644,
-            '_new_file_name' => 'EE_Sideloader_' . uniqid() . '.default'
-            );
-
-        $props = array_merge($defaults, $init);
-
-        foreach ($props as $property => $val) {
-            $setter = 'set' . $property;
-            if (method_exists($this, $setter)) {
-                $this->$setter($val);
-            } else {
-                 // No setter found.
-                EE_Error::add_error(
-                    sprintf(
-                        esc_html__(
-                            'EEH_Sideloader::%1$s not found. There is no setter for the %2$s property.',
-                            'event_espresso'
-                        ),
-                        $setter,
-                        $property
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-        }
-
-        // make sure we include the required wp file for needed functions
-        require_once(ABSPATH . 'wp-admin/includes/file.php');
-    }
-
-
-    // utilities
-
-
-    /**
-     * @since 4.1.0
-     * @return void
-     */
-    private function _get_wp_uploads_dir()
-    {
-    }
-
-    // setters
-
-
-    /**
-     * sets the _upload_to property to the directory to upload to.
-     *
-     * @since 4.1.0
-     * @param $upload_to_folder
-     * @return void
-     */
-    public function set_upload_to($upload_to_folder)
-    {
-        $this->_upload_to = $upload_to_folder;
-    }
-
-
-    /**
-     * sets the _download_from property to the location we should download the file from.
-     *
-     * @since 4.10.5.p
-     * @param string $download_from The full path to the file we should sideload.
-     * @return void
-     */
-    public function set_download_from($download_from)
-    {
-        $this->_download_from = $download_from;
-    }
-
-
-    /**
-     * sets the _permissions property used on the sideloaded file.
-     *
-     * @since 4.1.0
-     * @param int $permissions
-     * @return void
-     */
-    public function set_permissions($permissions)
-    {
-        $this->_permissions = $permissions;
-    }
-
-
-    /**
-     * sets the _new_file_name property used on the sideloaded file.
-     *
-     * @since 4.1.0
-     * @param string $new_file_name
-     * @return void
-     */
-    public function set_new_file_name($new_file_name)
-    {
-        $this->_new_file_name = $new_file_name;
-    }
-
-    // getters
-
-
-    /**
-     * @since 4.1.0
-     * @return string
-     */
-    public function get_upload_to()
-    {
-        return $this->_upload_to;
-    }
-
-
-    /**
-     * @since 4.10.5.p
-     * @return string
-     */
-    public function get_download_from()
-    {
-        return $this->_download_from;
-    }
-
-
-    /**
-     * @since 4.1.0
-     * @return int
-     */
-    public function get_permissions()
-    {
-        return $this->_permissions;
-    }
-
-
-    /**
-     * @since 4.1.0
-     * @return string
-     */
-    public function get_new_file_name()
-    {
-        return $this->_new_file_name;
-    }
-
-
-    // upload methods
-
-
-    /**
-     * Downloads the file using the WordPress HTTP API.
-     *
-     * @since 4.1.0
-     * @return bool
-     */
-    public function sideload()
-    {
-        // setup temp dir
-        $temp_file = wp_tempnam($this->_download_from);
-
-        if (!$temp_file) {
-            EE_Error::add_error(
-                esc_html__('Something went wrong with the upload.  Unable to create a tmp file for the uploaded file on the server', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-
-        do_action('AHEE__EEH_Sideloader__sideload__before', $this, $temp_file);
-
-        $wp_remote_args = apply_filters('FHEE__EEH_Sideloader__sideload__wp_remote_args', array( 'timeout' => 500, 'stream' => true, 'filename' => $temp_file ), $this, $temp_file);
-
-        $response = wp_safe_remote_get($this->_download_from, $wp_remote_args);
-
-        if (is_wp_error($response) || 200 != wp_remote_retrieve_response_code($response)) {
-            unlink($temp_file);
-            if (defined('WP_DEBUG') && WP_DEBUG) {
-                EE_Error::add_error(
-                    sprintf(
-                        esc_html__('Unable to upload the file. Either the path given to download from is incorrect, or something else happened. Here is the path given: %s', 'event_espresso'),
-                        $this->_download_from
-                    ),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-            }
-            return false;
-        }
-
-        // possible md5 check
-        $content_md5 = wp_remote_retrieve_header($response, 'content-md5');
-        if ($content_md5) {
-            $md5_check = verify_file_md5($temp_file, $content_md5);
-            if (is_wp_error($md5_check)) {
-                unlink($temp_file);
-                EE_Error::add_error(
-                    $md5_check->get_error_message(),
-                    __FILE__,
-                    __FUNCTION__,
-                    __LINE__
-                );
-                return false;
-            }
-        }
-
-        $file = $temp_file;
-
-        // now we have the file, let's get it in the right directory with the right name.
-        $path = apply_filters('FHEE__EEH_Sideloader__sideload__new_path', $this->_upload_to . $this->_new_file_name, $this);
-
-        // move file in
-        if (false === @ rename($file, $path)) {
-            unlink($temp_file);
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__('Unable to move the file to new location (possible permissions errors). This is the path the class attempted to move the file to: %s', 'event_espresso'),
-                    $path
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-
-        // set permissions
-        $permissions = apply_filters('FHEE__EEH_Sideloader__sideload__permissions_applied', $this->_permissions, $this);
-        chmod($path, $permissions);
-
-        // that's it.  let's allow for actions after file uploaded.
-        do_action('AHEE__EE_Sideloader__sideload_after', $this, $path);
-
-        // unlink tempfile
-        @unlink($temp_file);
-        return true;
-    }
-
-    // deprecated
-
-    /**
-     * sets the _upload_from property to the location we should download the file from.
-     *
-     * @param string $upload_from The full path to the file we should sideload.
-     * @return void
-     * @deprecated since version 4.10.5.p
-     */
-    public function set_upload_from($upload_from)
-    {
-        EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
-            esc_html__(
-                'EEH_Sideloader::set_upload_from was renamed to EEH_Sideloader::set_download_from',
-                'event_espresso'
-            ),
-            '4.10.5.p'
-        );
-        $this->set_download_from($upload_from);
-    }
-
-
-    /**
-     * @since 4.1.0
-     * @return string
-     * @deprecated since version 4.10.5.p
-     */
-    public function get_upload_from()
-    {
-        EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
-            esc_html__(
-                'EEH_Sideloader::get_upload_from was renamed to EEH_Sideloader::get_download_from',
-                'event_espresso'
-            ),
-            '4.10.5.p'
-        );
-        return $this->_download_from;
-    }
+	/**
+	 * @since   4.1.0
+	 * @var     string
+	 */
+	private $_upload_to;
+
+	/**
+	 * @since   4.10.5.p
+	 * @var     string
+	 */
+	private $_download_from;
+
+	/**
+	 * @since   4.1.0
+	 * @var     string
+	 */
+	private $_permissions;
+
+	/**
+	 * @since   4.1.0
+	 * @var     string
+	 */
+	private $_new_file_name;
+
+
+	/**
+	 * constructor allows the user to set the properties on the sideloader on construct.  However, there are also setters for doing so.
+	 *
+	 * @since 4.1.0
+	 * @param array $init array fo initializing the sideloader if keys match the properties.
+	 */
+	public function __construct($init = array())
+	{
+		$this->_init($init);
+	}
+
+
+	/**
+	 * sets the properties for class either to defaults or using incoming initialization array
+	 *
+	 * @since 4.1.0
+	 * @param  array  $init array on init (keys match properties others ignored)
+	 * @return void
+	 */
+	private function _init($init)
+	{
+		$defaults = array(
+			'_upload_to' => $this->_get_wp_uploads_dir(),
+			'_download_from' => '',
+			'_permissions' => 0644,
+			'_new_file_name' => 'EE_Sideloader_' . uniqid() . '.default'
+			);
+
+		$props = array_merge($defaults, $init);
+
+		foreach ($props as $property => $val) {
+			$setter = 'set' . $property;
+			if (method_exists($this, $setter)) {
+				$this->$setter($val);
+			} else {
+				 // No setter found.
+				EE_Error::add_error(
+					sprintf(
+						esc_html__(
+							'EEH_Sideloader::%1$s not found. There is no setter for the %2$s property.',
+							'event_espresso'
+						),
+						$setter,
+						$property
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+		}
+
+		// make sure we include the required wp file for needed functions
+		require_once(ABSPATH . 'wp-admin/includes/file.php');
+	}
+
+
+	// utilities
+
+
+	/**
+	 * @since 4.1.0
+	 * @return void
+	 */
+	private function _get_wp_uploads_dir()
+	{
+	}
+
+	// setters
+
+
+	/**
+	 * sets the _upload_to property to the directory to upload to.
+	 *
+	 * @since 4.1.0
+	 * @param $upload_to_folder
+	 * @return void
+	 */
+	public function set_upload_to($upload_to_folder)
+	{
+		$this->_upload_to = $upload_to_folder;
+	}
+
+
+	/**
+	 * sets the _download_from property to the location we should download the file from.
+	 *
+	 * @since 4.10.5.p
+	 * @param string $download_from The full path to the file we should sideload.
+	 * @return void
+	 */
+	public function set_download_from($download_from)
+	{
+		$this->_download_from = $download_from;
+	}
+
+
+	/**
+	 * sets the _permissions property used on the sideloaded file.
+	 *
+	 * @since 4.1.0
+	 * @param int $permissions
+	 * @return void
+	 */
+	public function set_permissions($permissions)
+	{
+		$this->_permissions = $permissions;
+	}
+
+
+	/**
+	 * sets the _new_file_name property used on the sideloaded file.
+	 *
+	 * @since 4.1.0
+	 * @param string $new_file_name
+	 * @return void
+	 */
+	public function set_new_file_name($new_file_name)
+	{
+		$this->_new_file_name = $new_file_name;
+	}
+
+	// getters
+
+
+	/**
+	 * @since 4.1.0
+	 * @return string
+	 */
+	public function get_upload_to()
+	{
+		return $this->_upload_to;
+	}
+
+
+	/**
+	 * @since 4.10.5.p
+	 * @return string
+	 */
+	public function get_download_from()
+	{
+		return $this->_download_from;
+	}
+
+
+	/**
+	 * @since 4.1.0
+	 * @return int
+	 */
+	public function get_permissions()
+	{
+		return $this->_permissions;
+	}
+
+
+	/**
+	 * @since 4.1.0
+	 * @return string
+	 */
+	public function get_new_file_name()
+	{
+		return $this->_new_file_name;
+	}
+
+
+	// upload methods
+
+
+	/**
+	 * Downloads the file using the WordPress HTTP API.
+	 *
+	 * @since 4.1.0
+	 * @return bool
+	 */
+	public function sideload()
+	{
+		// setup temp dir
+		$temp_file = wp_tempnam($this->_download_from);
+
+		if (!$temp_file) {
+			EE_Error::add_error(
+				esc_html__('Something went wrong with the upload.  Unable to create a tmp file for the uploaded file on the server', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+
+		do_action('AHEE__EEH_Sideloader__sideload__before', $this, $temp_file);
+
+		$wp_remote_args = apply_filters('FHEE__EEH_Sideloader__sideload__wp_remote_args', array( 'timeout' => 500, 'stream' => true, 'filename' => $temp_file ), $this, $temp_file);
+
+		$response = wp_safe_remote_get($this->_download_from, $wp_remote_args);
+
+		if (is_wp_error($response) || 200 != wp_remote_retrieve_response_code($response)) {
+			unlink($temp_file);
+			if (defined('WP_DEBUG') && WP_DEBUG) {
+				EE_Error::add_error(
+					sprintf(
+						esc_html__('Unable to upload the file. Either the path given to download from is incorrect, or something else happened. Here is the path given: %s', 'event_espresso'),
+						$this->_download_from
+					),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+			}
+			return false;
+		}
+
+		// possible md5 check
+		$content_md5 = wp_remote_retrieve_header($response, 'content-md5');
+		if ($content_md5) {
+			$md5_check = verify_file_md5($temp_file, $content_md5);
+			if (is_wp_error($md5_check)) {
+				unlink($temp_file);
+				EE_Error::add_error(
+					$md5_check->get_error_message(),
+					__FILE__,
+					__FUNCTION__,
+					__LINE__
+				);
+				return false;
+			}
+		}
+
+		$file = $temp_file;
+
+		// now we have the file, let's get it in the right directory with the right name.
+		$path = apply_filters('FHEE__EEH_Sideloader__sideload__new_path', $this->_upload_to . $this->_new_file_name, $this);
+
+		// move file in
+		if (false === @ rename($file, $path)) {
+			unlink($temp_file);
+			EE_Error::add_error(
+				sprintf(
+					esc_html__('Unable to move the file to new location (possible permissions errors). This is the path the class attempted to move the file to: %s', 'event_espresso'),
+					$path
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+
+		// set permissions
+		$permissions = apply_filters('FHEE__EEH_Sideloader__sideload__permissions_applied', $this->_permissions, $this);
+		chmod($path, $permissions);
+
+		// that's it.  let's allow for actions after file uploaded.
+		do_action('AHEE__EE_Sideloader__sideload_after', $this, $path);
+
+		// unlink tempfile
+		@unlink($temp_file);
+		return true;
+	}
+
+	// deprecated
+
+	/**
+	 * sets the _upload_from property to the location we should download the file from.
+	 *
+	 * @param string $upload_from The full path to the file we should sideload.
+	 * @return void
+	 * @deprecated since version 4.10.5.p
+	 */
+	public function set_upload_from($upload_from)
+	{
+		EE_Error::doing_it_wrong(
+			__CLASS__ . '::' . __FUNCTION__,
+			esc_html__(
+				'EEH_Sideloader::set_upload_from was renamed to EEH_Sideloader::set_download_from',
+				'event_espresso'
+			),
+			'4.10.5.p'
+		);
+		$this->set_download_from($upload_from);
+	}
+
+
+	/**
+	 * @since 4.1.0
+	 * @return string
+	 * @deprecated since version 4.10.5.p
+	 */
+	public function get_upload_from()
+	{
+		EE_Error::doing_it_wrong(
+			__CLASS__ . '::' . __FUNCTION__,
+			esc_html__(
+				'EEH_Sideloader::get_upload_from was renamed to EEH_Sideloader::get_download_from',
+				'event_espresso'
+			),
+			'4.10.5.p'
+		);
+		return $this->_download_from;
+	}
 }

Spacing +8 added lines, -8 removed lines

@@ -62,13 +62,13 @@ 
             '_upload_to' => $this->_get_wp_uploads_dir(),
             '_download_from' => '',
             '_permissions' => 0644,
-            '_new_file_name' => 'EE_Sideloader_' . uniqid() . '.default'
+            '_new_file_name' => 'EE_Sideloader_'.uniqid().'.default'
             );
 
         $props = array_merge($defaults, $init);
 
         foreach ($props as $property => $val) {
-            $setter = 'set' . $property;
+            $setter = 'set'.$property;
             if (method_exists($this, $setter)) {
                 $this->$setter($val);
             } else {
@@ -90,7 +90,7 @@ 
         }
 
         // make sure we include the required wp file for needed functions
-        require_once(ABSPATH . 'wp-admin/includes/file.php');
+        require_once(ABSPATH.'wp-admin/includes/file.php');
     }
 
 
@@ -216,7 +216,7 @@ 
         // setup temp dir
         $temp_file = wp_tempnam($this->_download_from);
 
-        if (!$temp_file) {
+        if ( ! $temp_file) {
             EE_Error::add_error(
                 esc_html__('Something went wrong with the upload.  Unable to create a tmp file for the uploaded file on the server', 'event_espresso'),
                 __FILE__,
@@ -228,7 +228,7 @@ 
 
         do_action('AHEE__EEH_Sideloader__sideload__before', $this, $temp_file);
 
-        $wp_remote_args = apply_filters('FHEE__EEH_Sideloader__sideload__wp_remote_args', array( 'timeout' => 500, 'stream' => true, 'filename' => $temp_file ), $this, $temp_file);
+        $wp_remote_args = apply_filters('FHEE__EEH_Sideloader__sideload__wp_remote_args', array('timeout' => 500, 'stream' => true, 'filename' => $temp_file), $this, $temp_file);
 
         $response = wp_safe_remote_get($this->_download_from, $wp_remote_args);
 
@@ -267,7 +267,7 @@ 
         $file = $temp_file;
 
         // now we have the file, let's get it in the right directory with the right name.
-        $path = apply_filters('FHEE__EEH_Sideloader__sideload__new_path', $this->_upload_to . $this->_new_file_name, $this);
+        $path = apply_filters('FHEE__EEH_Sideloader__sideload__new_path', $this->_upload_to.$this->_new_file_name, $this);
 
         // move file in
         if (false === @ rename($file, $path)) {
@@ -308,7 +308,7 @@ 
     public function set_upload_from($upload_from)
     {
         EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
+            __CLASS__.'::'.__FUNCTION__,
             esc_html__(
                 'EEH_Sideloader::set_upload_from was renamed to EEH_Sideloader::set_download_from',
                 'event_espresso'
@@ -327,7 +327,7 @@ 
     public function get_upload_from()
     {
         EE_Error::doing_it_wrong(
-            __CLASS__ . '::' . __FUNCTION__,
+            __CLASS__.'::'.__FUNCTION__,
             esc_html__(
                 'EEH_Sideloader::get_upload_from was renamed to EEH_Sideloader::get_download_from',
                 'event_espresso'

core/helpers/EEH_MSG_Template.helper.php

Indentation +1247 added lines, -1247 removed lines

@@ -15,1251 +15,1251 @@
 {
 
 
-    /**
-     * Holds a collection of EE_Message_Template_Pack objects.
-     * @type EE_Messages_Template_Pack_Collection
-     */
-    protected static $_template_pack_collection;
-
-
-    /**
-     * @throws EE_Error
-     */
-    private static function _set_autoloader()
-    {
-        EED_Messages::set_autoloaders();
-    }
-
-
-    /**
-     * generate_new_templates
-     * This will handle the messenger, message_type selection when "adding a new custom template" for an event and will
-     * automatically create the defaults for the event.  The user would then be redirected to edit the default context
-     * for the event.
-     *
-     * @access protected
-     * @param string $messenger     the messenger we are generating templates for
-     * @param array  $message_types array of message types that the templates are generated for.
-     * @param int    $GRP_ID        If a non global template is being generated then it is expected we'll have a GRP_ID
-     *                              to use as the base for the new generated template.
-     * @param bool   $global        true indicates generating templates on messenger activation. false requires GRP_ID
-     *                              for event specific template generation.
-     * @return array  @see EEH_MSG_Template::_create_new_templates for the return value of each element in the array
-     *                for templates that are generated.  If this is an empty array then it means no templates were
-     *                generated which usually means there was an error.  Anything in the array with an empty value for
-     *                `MTP_context` means that it was not a new generated template but just reactivated (which only
-     *                happens for global templates that already exist in the database.
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function generate_new_templates($messenger, $message_types, $GRP_ID = 0, $global = false)
-    {
-        // make sure message_type is an array.
-        $message_types = (array) $message_types;
-        $templates = array();
-
-        if (empty($messenger)) {
-            throw new EE_Error(esc_html__('We need a messenger to generate templates!', 'event_espresso'));
-        }
-
-        // if we STILL have empty $message_types then we need to generate an error message b/c we NEED message types to do the template files.
-        if (empty($message_types)) {
-            throw new EE_Error(esc_html__('We need at least one message type to generate templates!', 'event_espresso'));
-        }
-
-        EEH_MSG_Template::_set_autoloader();
-        foreach ($message_types as $message_type) {
-            // if global then let's attempt to get the GRP_ID for this combo IF GRP_ID is empty.
-            if ($global && empty($GRP_ID)) {
-                $GRP_ID = EEM_Message_Template_Group::instance()->get_one(
-                    array(
-                        array(
-                            'MTP_messenger'    => $messenger,
-                            'MTP_message_type' => $message_type,
-                            'MTP_is_global'    => true,
-                        ),
-                    )
-                );
-                $GRP_ID = $GRP_ID instanceof EE_Message_Template_Group ? $GRP_ID->ID() : 0;
-            }
-            // if this is global template generation.
-            // First let's determine if we already HAVE global templates for this messenger and message_type combination.
-            //  If we do then NO generation!!
-            if ($global && EEH_MSG_Template::already_generated($messenger, $message_type, $GRP_ID)) {
-                $templates[] = array(
-                    'GRP_ID' => $GRP_ID,
-                    'MTP_context' => '',
-                );
-                // we already have generated templates for this so let's go to the next message type.
-                continue;
-            }
-            $new_message_template_group = EEH_MSG_Template::create_new_templates($messenger, $message_type, $GRP_ID, $global);
-
-            if (! $new_message_template_group) {
-                continue;
-            }
-            $templates[] = $new_message_template_group;
-        }
-
-        return $templates;
-    }
-
-
-    /**
-     * The purpose of this method is to determine if there are already generated templates in the database for the
-     * given variables.
-     *
-     * @param string $messenger    messenger
-     * @param string $message_type message type
-     * @param int    $GRP_ID       GRP ID ( if a custom template) (if not provided then we're just doing global
-     *                             template check)
-     * @return bool                true = generated, false = hasn't been generated.
-     * @throws EE_Error
-     */
-    public static function already_generated($messenger, $message_type, $GRP_ID = 0)
-    {
-        EEH_MSG_Template::_set_autoloader();
-        // what method we use depends on whether we have an GRP_ID or not
-        $count = empty($GRP_ID)
-            ? EEM_Message_Template::instance()->count(
-                array(
-                    array(
-                        'Message_Template_Group.MTP_messenger'    => $messenger,
-                        'Message_Template_Group.MTP_message_type' => $message_type,
-                        'Message_Template_Group.MTP_is_global'    => true
-                    )
-                )
-            )
-            : EEM_Message_Template::instance()->count(array( array( 'GRP_ID' => $GRP_ID ) ));
-
-        return $count > 0;
-    }
-
-
-    /**
-     * Updates all message templates matching the incoming messengers and message types to active status.
-     *
-     * @static
-     * @param array $messenger_names    Messenger slug
-     * @param array $message_type_names Message type slug
-     * @return  int                         count of updated records.
-     * @throws EE_Error
-     */
-    public static function update_to_active($messenger_names, $message_type_names)
-    {
-        $messenger_names = is_array($messenger_names) ? $messenger_names : array( $messenger_names );
-        $message_type_names = is_array($message_type_names) ? $message_type_names : array( $message_type_names );
-        return EEM_Message_Template_Group::instance()->update(
-            array( 'MTP_is_active' => 1 ),
-            array(
-                array(
-                    'MTP_messenger'     => array( 'IN', $messenger_names ),
-                    'MTP_message_type'  => array( 'IN', $message_type_names )
-                )
-            )
-        );
-    }
-
-
-    /**
-     * Updates all message template groups matching the incoming arguments to inactive status.
-     *
-     * @static
-     * @param array $messenger_names    The messenger slugs.
-     *                                  If empty then all templates matching the message types are marked inactive.
-     *                                  Otherwise only templates matching the messengers and message types.
-     * @param array $message_type_names The message type slugs.
-     *                                  If empty then all templates matching the messengers are marked inactive.
-     *                                  Otherwise only templates matching the messengers and message types.
-     *
-     * @return int  count of updated records.
-     * @throws EE_Error
-     */
-    public static function update_to_inactive($messenger_names = array(), $message_type_names = array())
-    {
-        return EEM_Message_Template_Group::instance()->deactivate_message_template_groups_for(
-            $messenger_names,
-            $message_type_names
-        );
-    }
-
-
-    /**
-     * The purpose of this function is to return all installed message objects
-     * (messengers and message type regardless of whether they are ACTIVE or not)
-     *
-     * @param string $type
-     * @return array array consisting of installed messenger objects and installed message type objects.
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated 4.9.0
-     * @static
-     */
-    public static function get_installed_message_objects($type = 'all')
-    {
-        self::_set_autoloader();
-        $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        return array(
-            'messenger' => $message_resource_manager->installed_messengers(),
-            'message_type' => $message_resource_manager->installed_message_types()
-        );
-    }
-
-
-    /**
-     * This will return an array of shortcodes => labels from the
-     * messenger and message_type objects associated with this
-     * template.
-     *
-     * @param string $message_type
-     * @param string $messenger
-     * @param array  $fields                        What fields we're returning valid shortcodes for.
-     *                                              If empty then we assume all fields are to be returned. Optional.
-     * @param string $context                       What context we're going to return shortcodes for. Optional.
-     * @param bool   $merged                        If TRUE then we don't return shortcodes indexed by field,
-     *                                              but instead an array of the unique shortcodes for all the given (
-     *                                              or all) fields. Optional.
-     * @return array                                an array of shortcodes in the format
-     *                                              array( '[shortcode] => 'label')
-     *                                              OR
-     *                                              FALSE if no shortcodes found.
-     * @throws ReflectionException
-     * @throws EE_Error*@since 4.3.0
-     *
-     */
-    public static function get_shortcodes(
-        $message_type,
-        $messenger,
-        $fields = array(),
-        $context = 'admin',
-        $merged = false
-    ) {
-        $messenger_name = str_replace(' ', '_', ucwords(str_replace('_', ' ', $messenger)));
-        $mt_name = str_replace(' ', '_', ucwords(str_replace('_', ' ', $message_type)));
-        /** @var EE_Message_Resource_Manager $message_resource_manager */
-        $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        // convert slug to object
-        $messenger = $message_resource_manager->get_messenger($messenger);
-
-        // if messenger isn't a EE_messenger resource then bail.
-        if (! $messenger instanceof EE_messenger) {
-            return array();
-        }
-
-        // validate class for getting our list of shortcodes
-        $classname = 'EE_Messages_' . $messenger_name . '_' . $mt_name . '_Validator';
-        if (! class_exists($classname)) {
-            $msg[] = esc_html__('The Validator class was unable to load', 'event_espresso');
-            $msg[] = sprintf(
-                esc_html__('The class name compiled was %s. Please check and make sure the spelling and case is correct for the class name and that there is an autoloader in place for this class', 'event_espresso'),
-                $classname
-            );
-            throw new EE_Error(implode('||', $msg));
-        }
-
-        /** @type EE_Messages_Validator $_VLD */
-        $_VLD = new $classname(array(), $context);
-        $valid_shortcodes = $_VLD->get_validators();
-
-        // let's make sure we're only getting the shortcode part of the validators
-        $shortcodes = array();
-        foreach ($valid_shortcodes as $field => $validators) {
-            $shortcodes[ $field ] = $validators['shortcodes'];
-        }
-        $valid_shortcodes = $shortcodes;
-
-        // if not all fields let's make sure we ONLY include the shortcodes for the specified fields.
-        if (! empty($fields)) {
-            $specified_shortcodes = array();
-            foreach ($fields as $field) {
-                if (isset($valid_shortcodes[ $field ])) {
-                    $specified_shortcodes[ $field ] = $valid_shortcodes[ $field ];
-                }
-            }
-            $valid_shortcodes = $specified_shortcodes;
-        }
-
-        // if not merged then let's replace the fields with the localized fields
-        if (! $merged) {
-            // let's get all the fields for the set messenger so that we can get the localized label and use that in the returned array.
-            $field_settings = $messenger->get_template_fields();
-            $localized = array();
-            foreach ($valid_shortcodes as $field => $shortcodes) {
-                // get localized field label
-                if (isset($field_settings[ $field ])) {
-                    // possible that this is used as a main field.
-                    if (empty($field_settings[ $field ])) {
-                        if (isset($field_settings['extra'][ $field ])) {
-                            $_field = $field_settings['extra'][ $field ]['main']['label'];
-                        } else {
-                            $_field = $field;
-                        }
-                    } else {
-                        $_field = $field_settings[ $field ]['label'];
-                    }
-                } elseif (isset($field_settings['extra'])) {
-                    // loop through extra "main fields" and see if any of their children have our field
-                    foreach ($field_settings['extra'] as $fields) {
-                        if (isset($fields[ $field ])) {
-                            $_field = $fields[ $field ]['label'];
-                        } else {
-                            $_field = $field;
-                        }
-                    }
-                } else {
-                    $_field = $field;
-                }
-                if (isset($_field)) {
-                    $localized[ (string) $_field ] = $shortcodes;
-                }
-            }
-            $valid_shortcodes = $localized;
-        }
-
-        // if $merged then let's merge all the shortcodes into one list NOT indexed by field.
-        if ($merged) {
-            $merged_codes = array();
-            foreach ($valid_shortcodes as $shortcode) {
-                foreach ($shortcode as $code => $label) {
-                    if (isset($merged_codes[ $code ])) {
-                        continue;
-                    } else {
-                        $merged_codes[ $code ] = $label;
-                    }
-                }
-            }
-            $valid_shortcodes = $merged_codes;
-        }
-
-        return $valid_shortcodes;
-    }
-
-
-    /**
-     * Get Messenger object.
-     *
-     * @param string $messenger messenger slug for the messenger object we want to retrieve.
-     * @return EE_messenger
-     * @throws ReflectionException
-     * @throws EE_Error*@since 4.3.0
-     * @deprecated 4.9.0
-     */
-    public static function messenger_obj($messenger)
-    {
-        /** @type EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        return $Message_Resource_Manager->get_messenger($messenger);
-    }
-
-
-    /**
-     * get Message type object
-     *
-     * @param string $message_type the slug for the message type object to retrieve
-     * @return EE_message_type
-     * @throws ReflectionException
-     * @throws EE_Error*@since 4.3.0
-     * @deprecated 4.9.0
-     */
-    public static function message_type_obj($message_type)
-    {
-        /** @type EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        return $Message_Resource_Manager->get_message_type($message_type);
-    }
-
-
-    /**
-     * Given a message_type slug, will return whether that message type is active in the system or not.
-     *
-     * @since    4.3.0
-     * @param string $message_type message type to check for.
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function is_mt_active($message_type)
-    {
-        /** @type EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $active_mts = $Message_Resource_Manager->list_of_active_message_types();
-        return in_array($message_type, $active_mts);
-    }
-
-
-    /**
-     * Given a messenger slug, will return whether that messenger is active in the system or not.
-     *
-     * @since    4.3.0
-     *
-     * @param string $messenger slug for messenger to check.
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function is_messenger_active($messenger)
-    {
-        /** @type EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $active_messenger = $Message_Resource_Manager->get_active_messenger($messenger);
-        return $active_messenger instanceof EE_messenger;
-    }
-
-
-    /**
-     * Used to return active messengers array stored in the wp options table.
-     * If no value is present in the option then an empty array is returned.
-     *
-     * @deprecated 4.9
-     * @since      4.3.1
-     *
-     * @return array
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function get_active_messengers_in_db()
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Please use EE_Message_Resource_Manager::get_active_messengers_option() instead.', 'event_espresso'),
-            '4.9.0'
-        );
-        /** @var EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        return $Message_Resource_Manager->get_active_messengers_option();
-    }
-
-
-    /**
-     * Used to update the active messengers array stored in the wp options table.
-     *
-     * @since      4.3.1
-     * @deprecated 4.9.0
-     *
-     * @param array $data_to_save Incoming data to save.
-     *
-     * @return bool FALSE if not updated, TRUE if updated.
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function update_active_messengers_in_db($data_to_save)
-    {
-        EE_Error::doing_it_wrong(
-            __METHOD__,
-            esc_html__('Please use EE_Message_Resource_Manager::update_active_messengers_option() instead.', 'event_espresso'),
-            '4.9.0'
-        );
-        /** @var EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        return $Message_Resource_Manager->update_active_messengers_option($data_to_save);
-    }
-
-
-    /**
-     * This does some validation of incoming params, determines what type of url is being prepped and returns the
-     * appropriate url trigger
-     *
-     * @param EE_message_type $message_type
-     * @param EE_Message $message
-     * @param EE_Registration | null $registration  The registration object must be included if this
-     *                                              is going to be a registration trigger url.
-     * @param string $sending_messenger             The (optional) sending messenger for the url.
-     *
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_url_trigger(
-        EE_message_type $message_type,
-        EE_Message $message,
-        $registration = null,
-        $sending_messenger = ''
-    ) {
-        // first determine if the url can be to the EE_Message object.
-        if (! $message_type->always_generate()) {
-            return EEH_MSG_Template::generate_browser_trigger($message);
-        }
-
-        // if $registration object is not valid then exit early because there's nothing that can be generated.
-        if (! $registration instanceof EE_Registration) {
-            throw new EE_Error(
-                esc_html__('Incoming value for registration is not a valid EE_Registration object.', 'event_espresso')
-            );
-        }
-
-        // validate given context
-        $contexts = $message_type->get_contexts();
-        if ($message->context() !== '' && ! isset($contexts[ $message->context() ])) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('The context %s is not a valid context for %s.', 'event_espresso'),
-                    $message->context(),
-                    get_class($message_type)
-                )
-            );
-        }
-
-        // valid sending messenger but only if sending messenger set.  Otherwise generating messenger is used.
-        if (! empty($sending_messenger)) {
-            $with_messengers = $message_type->with_messengers();
-            if (
-                ! isset($with_messengers[ $message->messenger() ])
-                 || ! in_array($sending_messenger, $with_messengers[ $message->messenger() ])
-            ) {
-                throw new EE_Error(
-                    sprintf(
-                        esc_html__(
-                            'The given sending messenger string (%1$s) does not match a valid sending messenger with the %2$s.  If this is incorrect, make sure that the message type has defined this messenger as a sending messenger in its $_with_messengers array.',
-                            'event_espresso'
-                        ),
-                        $sending_messenger,
-                        get_class($message_type)
-                    )
-                );
-            }
-        } else {
-            $sending_messenger = $message->messenger();
-        }
-        return EEH_MSG_Template::generate_url_trigger(
-            $sending_messenger,
-            $message->messenger(),
-            $message->context(),
-            $message->message_type(),
-            $registration,
-            $message->GRP_ID()
-        );
-    }
-
-
-    /**
-     * This returns the url for triggering a in browser view of a specific EE_Message object.
-     * @param EE_Message $message
-     * @return string.
-     */
-    public static function generate_browser_trigger(EE_Message $message)
-    {
-        $query_args = array(
-            'ee' => 'msg_browser_trigger',
-            'token' => $message->MSG_token()
-        );
-        return apply_filters(
-            'FHEE__EEH_MSG_Template__generate_browser_trigger',
-            add_query_arg($query_args, site_url()),
-            $message
-        );
-    }
-
-
-
-
-
-
-    /**
-     * This returns the url for triggering an in browser view of the error saved on the incoming message object.
-     * @param EE_Message $message
-     * @return string
-     */
-    public static function generate_error_display_trigger(EE_Message $message)
-    {
-        return apply_filters(
-            'FHEE__EEH_MSG_Template__generate_error_display_trigger',
-            add_query_arg(
-                array(
-                    'ee' => 'msg_browser_error_trigger',
-                    'token' => $message->MSG_token()
-                ),
-                site_url()
-            ),
-            $message
-        );
-    }
-
-
-    /**
-     * This generates a url trigger for the msg_url_trigger route using the given arguments
-     *
-     * @param string          $sending_messenger      The sending messenger slug.
-     * @param string          $generating_messenger   The generating messenger slug.
-     * @param string          $context                The context for the template.
-     * @param string          $message_type           The message type slug
-     * @param EE_Registration $registration
-     * @param integer         $message_template_group id   The EE_Message_Template_Group ID for the template.
-     * @param integer         $data_id                The id to the EE_Base_Class for getting the data used by the
-     *                                                trigger.
-     * @return string          The generated url.
-     * @throws EE_Error
-     */
-    public static function generate_url_trigger(
-        $sending_messenger,
-        $generating_messenger,
-        $context,
-        $message_type,
-        EE_Registration $registration,
-        $message_template_group,
-        $data_id = 0
-    ) {
-        $query_args = array(
-            'ee' => 'msg_url_trigger',
-            'snd_msgr' => $sending_messenger,
-            'gen_msgr' => $generating_messenger,
-            'message_type' => $message_type,
-            'context' => $context,
-            'token' => $registration->reg_url_link(),
-            'GRP_ID' => $message_template_group,
-            'id' => $data_id
-            );
-        $url = add_query_arg($query_args, get_home_url());
-
-        // made it here so now we can just get the url and filter it.  Filtered globally and by message type.
-        return apply_filters(
-            'FHEE__EEH_MSG_Template__generate_url_trigger',
-            $url,
-            $sending_messenger,
-            $generating_messenger,
-            $context,
-            $message_type,
-            $registration,
-            $message_template_group,
-            $data_id
-        );
-    }
-
-
-
-
-    /**
-     * Return the specific css for the action icon given.
-     *
-     * @param string $type  What action to return.
-     * @return string[]
-     * @since 4.9.0
-     */
-    public static function get_message_action_icon($type)
-    {
-        $action_icons = self::get_message_action_icons();
-        return isset($action_icons[ $type ]) ? $action_icons[ $type ] : [];
-    }
-
-
-    /**
-     * This is used for retrieving the css classes used for the icons representing message actions.
-     *
-     * @since 4.9.0
-     *
-     * @return array
-     */
-    public static function get_message_action_icons()
-    {
-        return apply_filters(
-            'FHEE__EEH_MSG_Template__message_action_icons',
-            array(
-                'view' => array(
-                    'label' => esc_html__('View Message', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-welcome-view-site',
-                ),
-                'error' => array(
-                    'label' => esc_html__('View Error Message', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-info',
-                ),
-                'see_notifications_for' => array(
-                    'label' => esc_html__('View Related Messages', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-megaphone',
-                ),
-                'generate_now' => array(
-                    'label' => esc_html__('Generate the message now.', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-admin-tools',
-                ),
-                'send_now' => array(
-                    'label' => esc_html__('Send Immediately', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-controls-forward',
-                ),
-                'queue_for_resending' => array(
-                    'label' => esc_html__('Queue for Resending', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-controls-repeat',
-                ),
-                'view_transaction' => array(
-                    'label' => esc_html__('View related Transaction', 'event_espresso'),
-                    'css_class' => 'dashicons dashicons-cart',
-                )
-            )
-        );
-    }
-
-
-    /**
-     * This returns the url for a given action related to EE_Message.
-     *
-     * @param string     $type         What type of action to return the url for.
-     * @param EE_Message $message      Required for generating the correct url for some types.
-     * @param array      $query_params Any additional query params to be included with the generated url.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.9.0
-     *
-     */
-    public static function get_message_action_url($type, EE_Message $message = null, $query_params = array())
-    {
-        $action_urls = self::get_message_action_urls($message, $query_params);
-        return isset($action_urls[ $type ])  ? $action_urls[ $type ] : '';
-    }
-
-
-    /**
-     * This returns all the current urls for EE_Message actions.
-     *
-     * @since 4.9.0
-     *
-     * @param EE_Message $message      The EE_Message object required to generate correct urls for some types.
-     * @param array      $query_params Any additional query_params to be included with the generated url.
-     *
-     * @return array
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function get_message_action_urls(EE_Message $message = null, $query_params = array())
-    {
-        EE_Registry::instance()->load_helper('URL');
-        // if $message is not an instance of EE_Message then let's just do a dummy.
-        $message = empty($message) ? EE_Message_Factory::create() : $message;
-        $action_urls =  apply_filters(
-            'FHEE__EEH_MSG_Template__get_message_action_url',
-            array(
-                'view' => EEH_MSG_Template::generate_browser_trigger($message),
-                'error' => EEH_MSG_Template::generate_error_display_trigger($message),
-                'see_notifications_for' => EEH_URL::add_query_args_and_nonce(
-                    array_merge(
-                        array(
-                            'page' => 'espresso_messages',
-                            'action' => 'default',
-                            'filterby' => 1,
-                        ),
-                        $query_params
-                    ),
-                    admin_url('admin.php')
-                ),
-                'generate_now' => EEH_URL::add_query_args_and_nonce(
-                    array(
-                        'page' => 'espresso_messages',
-                        'action' => 'generate_now',
-                        'MSG_ID' => $message->ID()
-                    ),
-                    admin_url('admin.php')
-                ),
-                'send_now' => EEH_URL::add_query_args_and_nonce(
-                    array(
-                        'page' => 'espresso_messages',
-                        'action' => 'send_now',
-                        'MSG_ID' => $message->ID()
-                    ),
-                    admin_url('admin.php')
-                ),
-                'queue_for_resending' => EEH_URL::add_query_args_and_nonce(
-                    array(
-                        'page' => 'espresso_messages',
-                        'action' => 'queue_for_resending',
-                        'MSG_ID' => $message->ID()
-                    ),
-                    admin_url('admin.php')
-                ),
-            )
-        );
-        if (
-            $message->TXN_ID() > 0
-            && EE_Registry::instance()->CAP->current_user_can(
-                'ee_read_transaction',
-                'espresso_transactions_default',
-                $message->TXN_ID()
-            )
-        ) {
-            $action_urls['view_transaction'] = EEH_URL::add_query_args_and_nonce(
-                array(
-                    'page' => 'espresso_transactions',
-                    'action' => 'view_transaction',
-                    'TXN_ID' => $message->TXN_ID()
-                ),
-                admin_url('admin.php')
-            );
-        } else {
-            $action_urls['view_transaction'] = '';
-        }
-        return $action_urls;
-    }
-
-
-    /**
-     * This returns a generated link html including the icon used for the action link for EE_Message actions.
-     *
-     * @param string          $type         What type of action the link is for (if invalid type is passed in then an
-     *                                      empty string is returned)
-     * @param EE_Message|null $message      The EE_Message object (required for some actions to generate correctly)
-     * @param array           $query_params Any extra query params to include in the generated link.
-     *
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.9.0
-     *
-     */
-    public static function get_message_action_link($type, EE_Message $message = null, $query_params = array())
-    {
-        $url = EEH_MSG_Template::get_message_action_url($type, $message, $query_params);
-        $icon_css = EEH_MSG_Template::get_message_action_icon($type);
-        $title = isset($icon_css['label']) ? 'title="' . $icon_css['label'] . '"' : '';
-
-        if (empty($url) || empty($icon_css) || ! isset($icon_css['css_class'])) {
-            return '';
-        }
-
-        $icon_css['css_class'] .= esc_attr(
-            apply_filters(
-                'FHEE__EEH_MSG_Template__get_message_action_link__icon_css_class',
-                ' js-ee-message-action-link ee-message-action-link-' . $type,
-                $type,
-                $message,
-                $query_params
-            )
-        );
-
-        return '<a href="' . $url . '" ' . $title . '><span class="' . esc_attr($icon_css['css_class']) . '"></span></a>';
-    }
-
-
-
-
-
-    /**
-     * This returns an array with keys as reg statuses and values as the corresponding message type slug (filtered).
-     *
-     * @since 4.9.0
-     * @return array
-     */
-    public static function reg_status_to_message_type_array()
-    {
-        return (array) apply_filters(
-            'FHEE__EEH_MSG_Template__reg_status_to_message_type_array',
-            array(
-                EEM_Registration::status_id_approved => 'registration',
-                EEM_Registration::status_id_pending_payment => 'pending_approval',
-                EEM_Registration::status_id_not_approved => 'not_approved_registration',
-                EEM_Registration::status_id_cancelled => 'cancelled_registration',
-                EEM_Registration::status_id_declined => 'declined_registration'
-            )
-        );
-    }
-
-
-
-
-    /**
-     * This returns the corresponding registration message type slug to the given reg status. If there isn't a
-     * match, then returns an empty string.
-     *
-     * @since 4.9.0
-     * @param $reg_status
-     * @return string
-     */
-    public static function convert_reg_status_to_message_type($reg_status)
-    {
-        $reg_status_array = self::reg_status_to_message_type_array();
-        return isset($reg_status_array[ $reg_status ]) ? $reg_status_array[ $reg_status ] : '';
-    }
-
-
-    /**
-     * This returns an array with keys as payment stati and values as the corresponding message type slug (filtered).
-     *
-     * @since 4.9.0
-     * @return array
-     */
-    public static function payment_status_to_message_type_array()
-    {
-        return (array) apply_filters(
-            'FHEE__EEH_MSG_Template__payment_status_to_message_type_array',
-            array(
-                EEM_Payment::status_id_approved => 'payment',
-                EEM_Payment::status_id_pending => 'payment_pending',
-                EEM_Payment::status_id_cancelled => 'payment_cancelled',
-                EEM_Payment::status_id_declined => 'payment_declined',
-                EEM_Payment::status_id_failed => 'payment_failed'
-            )
-        );
-    }
-
-
-
-
-    /**
-     * This returns the corresponding payment message type slug to the given payment status. If there isn't a match then
-     * an empty string is returned
-     *
-     * @since 4.9.0
-     * @param $payment_status
-     * @return string
-     */
-    public static function convert_payment_status_to_message_type($payment_status)
-    {
-        $payment_status_array = self::payment_status_to_message_type_array();
-        return isset($payment_status_array[ $payment_status ]) ? $payment_status_array[ $payment_status ] : '';
-    }
-
-
-    /**
-     * This is used to retrieve the template pack for the given name.
-     *
-     * @param string $template_pack_name  should match the set `dbref` property value on the EE_Messages_Template_Pack.
-     *
-     * @return EE_Messages_Template_Pack
-     */
-    public static function get_template_pack($template_pack_name)
-    {
-        if (! self::$_template_pack_collection instanceof EE_Object_Collection) {
-            self::$_template_pack_collection = new EE_Messages_Template_Pack_Collection();
-        }
-
-        // first see if in collection already
-        $template_pack = self::$_template_pack_collection->get_by_name($template_pack_name);
-
-        if ($template_pack instanceof EE_Messages_Template_Pack) {
-            return $template_pack;
-        }
-
-        // nope...let's get it.
-        // not set yet so let's attempt to get it.
-        $pack_class_name = 'EE_Messages_Template_Pack_' . str_replace(
-            ' ',
-            '_',
-            ucwords(
-                str_replace('_', ' ', $template_pack_name)
-            )
-        );
-        if (! class_exists($pack_class_name) && $template_pack_name !== 'default') {
-            return self::get_template_pack('default');
-        } else {
-            $template_pack = new $pack_class_name();
-            self::$_template_pack_collection->add($template_pack);
-            return $template_pack;
-        }
-    }
-
-
-
-
-    /**
-     * Globs template packs installed in core and returns the template pack collection with all installed template packs
-     * in it.
-     *
-     * @since 4.9.0
-     *
-     * @return EE_Messages_Template_Pack_Collection
-     */
-    public static function get_template_pack_collection()
-    {
-        $new_collection = false;
-        if (! self::$_template_pack_collection instanceof EE_Messages_Template_Pack_Collection) {
-            self::$_template_pack_collection = new EE_Messages_Template_Pack_Collection();
-            $new_collection = true;
-        }
-
-        // glob the defaults directory for messages
-        $templates = glob(EE_LIBRARIES . 'messages/defaults/*', GLOB_ONLYDIR);
-        foreach ($templates as $template_path) {
-            // grab folder name
-            $template = basename($template_path);
-
-            if (! $new_collection) {
-                // already have it?
-                if (self::$_template_pack_collection->get_by_name($template) instanceof EE_Messages_Template_Pack) {
-                    continue;
-                }
-            }
-
-            // setup classname.
-            $template_pack_class_name = 'EE_Messages_Template_Pack_' . str_replace(
-                ' ',
-                '_',
-                ucwords(
-                    str_replace(
-                        '_',
-                        ' ',
-                        $template
-                    )
-                )
-            );
-            if (! class_exists($template_pack_class_name)) {
-                continue;
-            }
-            self::$_template_pack_collection->add(new $template_pack_class_name());
-        }
-
-        /**
-         * Filter for plugins to add in any additional template packs
-         * Note the filter name here is for backward compat, this used to be found in EED_Messages.
-         */
-        $additional_template_packs = apply_filters('FHEE__EED_Messages__get_template_packs__template_packs', array());
-        foreach ((array) $additional_template_packs as $template_pack) {
-            if (
-                self::$_template_pack_collection->get_by_name(
-                    $template_pack->dbref
-                ) instanceof EE_Messages_Template_Pack
-            ) {
-                continue;
-            }
-            self::$_template_pack_collection->add($template_pack);
-        }
-        return self::$_template_pack_collection;
-    }
-
-
-    /**
-     * This is a wrapper for the protected _create_new_templates function
-     *
-     * @param string $messenger_name
-     * @param string $message_type_name message type that the templates are being created for
-     * @param int    $GRP_ID
-     * @param bool   $global
-     * @return array
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function create_new_templates($messenger_name, $message_type_name, $GRP_ID = 0, $global = false)
-    {
-        /** @type EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $messenger = $Message_Resource_Manager->valid_messenger($messenger_name);
-        $message_type = $Message_Resource_Manager->valid_message_type($message_type_name);
-        if (! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type, $global)) {
-            return array();
-        }
-        // whew made it this far!  Okay, let's go ahead and create the templates then
-        return EEH_MSG_Template::_create_new_templates($messenger, $message_type, $GRP_ID, $global);
-    }
-
-
-    /**
-     * @param EE_messenger     $messenger
-     * @param EE_message_type  $message_type
-     * @param                  $GRP_ID
-     * @param                  $global
-     * @return array|mixed
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected static function _create_new_templates(EE_messenger $messenger, EE_message_type $message_type, $GRP_ID, $global)
-    {
-        // if we're creating a custom template then we don't need to use the defaults class
-        if (! $global) {
-            return EEH_MSG_Template::_create_custom_template_group($messenger, $message_type, $GRP_ID);
-        }
-        /** @type EE_Messages_Template_Defaults $Message_Template_Defaults */
-        $Message_Template_Defaults = EE_Registry::factory(
-            'EE_Messages_Template_Defaults',
-            array( $messenger, $message_type, $GRP_ID )
-        );
-        // generate templates
-        $success = $Message_Template_Defaults->create_new_templates();
-
-        // if creating the template failed.  Then we should deactivate the related message_type for the messenger because
-        // its not active if it doesn't have a template.  Note this is only happening for GLOBAL template creation
-        // attempts.
-        if (! $success) {
-            /** @var EE_Message_Resource_Manager $message_resource_manager */
-            $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-            $message_resource_manager->deactivate_message_type_for_messenger($message_type->name, $messenger->name);
-        }
-
-        /**
-         * $success is in an array in the following format
-         * array(
-         *    'GRP_ID' => $new_grp_id,
-         *    'MTP_context' => $first_context_in_new_templates,
-         * )
-         */
-        return $success;
-    }
-
-
-    /**
-     * This creates a custom template using the incoming GRP_ID
-     *
-     * @param EE_messenger    $messenger
-     * @param EE_message_type $message_type
-     * @param int             $GRP_ID           GRP_ID for the template_group being used as the base
-     * @return  array $success              This will be an array in the format:
-     *                                          array(
-     *                                          'GRP_ID' => $new_grp_id,
-     *                                          'MTP_context' => $first_context_in_created_template
-     *                                          )
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @access private
-     */
-    private static function _create_custom_template_group(EE_messenger $messenger, EE_message_type $message_type, $GRP_ID)
-    {
-        // defaults
-        $success = array( 'GRP_ID' => null, 'MTP_context' => '' );
-        // get the template group to use as a template from the db.  If $GRP_ID is empty then we'll assume the base will be the global template matching the messenger and message type.
-        $Message_Template_Group = empty($GRP_ID)
-            ? EEM_Message_Template_Group::instance()->get_one(
-                array(
-                    array(
-                        'MTP_messenger'    => $messenger->name,
-                        'MTP_message_type' => $message_type->name,
-                        'MTP_is_global'    => true
-                    )
-                )
-            )
-            : EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
-        // if we don't have a mtg at this point then we need to bail.
-        if (! $Message_Template_Group instanceof EE_Message_Template_Group) {
-            EE_Error::add_error(
-                sprintf(
-                    esc_html__(
-                        'Something went wrong with generating the custom template from this group id: %s.  This usually happens when there is no matching message template group in the db.',
-                        'event_espresso'
-                    ),
-                    $GRP_ID
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return $success;
-        }
-        // let's get all the related message_template objects for this group.
-        $message_templates = $Message_Template_Group->message_templates();
-        // now we have what we need to setup the new template
-        $new_mtg = clone $Message_Template_Group;
-        $new_mtg->set('GRP_ID', 0);
-        $new_mtg->set('MTP_is_global', false);
-
-        /** @var RequestInterface $request */
-        $request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
-        $template_name = $request->isAjax() && $request->requestParamIsSet('templateName')
-            ? $request->getRequestParam('templateName')
-            : esc_html__('New Custom Template', 'event_espresso');
-        $template_description = $request->isAjax() && $request->requestParamIsSet('templateDescription')
-            ? $request->getRequestParam('templateDescription')
-            : sprintf(
-                esc_html__(
-                    'This is a custom template that was created for the %s messenger and %s message type.',
-                    'event_espresso'
-                ),
-                $new_mtg->messenger_obj()->label['singular'],
-                $new_mtg->message_type_obj()->label['singular']
-            );
-        $new_mtg->set('MTP_name', $template_name);
-        $new_mtg->set('MTP_description', $template_description);
-        // remove ALL relations on this template group so they don't get saved!
-        $new_mtg->_remove_relations('Message_Template');
-        $new_mtg->save();
-        $success['GRP_ID'] = $new_mtg->ID();
-        $success['template_name'] = $template_name;
-        // add new message templates and add relation to.
-        foreach ($message_templates as $message_template) {
-            if (! $message_template instanceof EE_Message_Template) {
-                continue;
-            }
-            $new_message_template = clone $message_template;
-            $new_message_template->set('MTP_ID', 0);
-            $new_message_template->set('GRP_ID', $new_mtg->ID()); // relation
-            $new_message_template->save();
-            if (empty($success['MTP_context'])) {
-                $success['MTP_context'] = $new_message_template->get('MTP_context');
-            }
-        }
-        return $success;
-    }
-
-
-    /**
-     * message_type_has_active_templates_for_messenger
-     *
-     * @param EE_messenger    $messenger
-     * @param EE_message_type $message_type
-     * @param bool            $global
-     * @return bool
-     * @throws EE_Error
-     */
-    public static function message_type_has_active_templates_for_messenger(
-        EE_messenger $messenger,
-        EE_message_type $message_type,
-        $global = false
-    ) {
-        // is given message_type valid for given messenger (if this is not a global save)
-        if ($global) {
-            return true;
-        }
-        $active_templates = EEM_Message_Template_Group::instance()->count(
-            array(
-                array(
-                    'MTP_is_active'    => true,
-                    'MTP_messenger'    => $messenger->name,
-                    'MTP_message_type' => $message_type->name
-                )
-            )
-        );
-        if ($active_templates > 0) {
-            return true;
-        }
-        EE_Error::add_error(
-            sprintf(
-                esc_html__(
-                    'The %1$s message type is not registered with the %2$s messenger. Please visit the Messenger activation page to assign this message type first if you want to use it.',
-                    'event_espresso'
-                ),
-                $message_type->name,
-                $messenger->name
-            ),
-            __FILE__,
-            __FUNCTION__,
-            __LINE__
-        );
-        return false;
-    }
-
-
-    /**
-     * get_fields
-     * This takes a given messenger and message type and returns all the template fields indexed by context (and with field type).
-     *
-     * @param string $messenger_name    name of EE_messenger
-     * @param string $message_type_name name of EE_message_type
-     * @return array
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function get_fields($messenger_name, $message_type_name)
-    {
-        $template_fields = array();
-        /** @type EE_Message_Resource_Manager $Message_Resource_Manager */
-        $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $messenger = $Message_Resource_Manager->valid_messenger($messenger_name);
-        $message_type = $Message_Resource_Manager->valid_message_type($message_type_name);
-        if (! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type)) {
-            return array();
-        }
-
-        $excluded_fields_for_messenger = $message_type->excludedFieldsForMessenger($messenger_name);
-
-        // okay now let's assemble an array with the messenger template fields added to the message_type contexts.
-        foreach ($message_type->get_contexts() as $context => $details) {
-            foreach ($messenger->get_template_fields() as $field => $value) {
-                if (in_array($field, $excluded_fields_for_messenger, true)) {
-                    continue;
-                }
-                $template_fields[ $context ][ $field ] = $value;
-            }
-        }
-        if (empty($template_fields)) {
-            EE_Error::add_error(
-                esc_html__('Something went wrong and we couldn\'t get any templates assembled', 'event_espresso'),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return array();
-        }
-        return $template_fields;
-    }
+	/**
+	 * Holds a collection of EE_Message_Template_Pack objects.
+	 * @type EE_Messages_Template_Pack_Collection
+	 */
+	protected static $_template_pack_collection;
+
+
+	/**
+	 * @throws EE_Error
+	 */
+	private static function _set_autoloader()
+	{
+		EED_Messages::set_autoloaders();
+	}
+
+
+	/**
+	 * generate_new_templates
+	 * This will handle the messenger, message_type selection when "adding a new custom template" for an event and will
+	 * automatically create the defaults for the event.  The user would then be redirected to edit the default context
+	 * for the event.
+	 *
+	 * @access protected
+	 * @param string $messenger     the messenger we are generating templates for
+	 * @param array  $message_types array of message types that the templates are generated for.
+	 * @param int    $GRP_ID        If a non global template is being generated then it is expected we'll have a GRP_ID
+	 *                              to use as the base for the new generated template.
+	 * @param bool   $global        true indicates generating templates on messenger activation. false requires GRP_ID
+	 *                              for event specific template generation.
+	 * @return array  @see EEH_MSG_Template::_create_new_templates for the return value of each element in the array
+	 *                for templates that are generated.  If this is an empty array then it means no templates were
+	 *                generated which usually means there was an error.  Anything in the array with an empty value for
+	 *                `MTP_context` means that it was not a new generated template but just reactivated (which only
+	 *                happens for global templates that already exist in the database.
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function generate_new_templates($messenger, $message_types, $GRP_ID = 0, $global = false)
+	{
+		// make sure message_type is an array.
+		$message_types = (array) $message_types;
+		$templates = array();
+
+		if (empty($messenger)) {
+			throw new EE_Error(esc_html__('We need a messenger to generate templates!', 'event_espresso'));
+		}
+
+		// if we STILL have empty $message_types then we need to generate an error message b/c we NEED message types to do the template files.
+		if (empty($message_types)) {
+			throw new EE_Error(esc_html__('We need at least one message type to generate templates!', 'event_espresso'));
+		}
+
+		EEH_MSG_Template::_set_autoloader();
+		foreach ($message_types as $message_type) {
+			// if global then let's attempt to get the GRP_ID for this combo IF GRP_ID is empty.
+			if ($global && empty($GRP_ID)) {
+				$GRP_ID = EEM_Message_Template_Group::instance()->get_one(
+					array(
+						array(
+							'MTP_messenger'    => $messenger,
+							'MTP_message_type' => $message_type,
+							'MTP_is_global'    => true,
+						),
+					)
+				);
+				$GRP_ID = $GRP_ID instanceof EE_Message_Template_Group ? $GRP_ID->ID() : 0;
+			}
+			// if this is global template generation.
+			// First let's determine if we already HAVE global templates for this messenger and message_type combination.
+			//  If we do then NO generation!!
+			if ($global && EEH_MSG_Template::already_generated($messenger, $message_type, $GRP_ID)) {
+				$templates[] = array(
+					'GRP_ID' => $GRP_ID,
+					'MTP_context' => '',
+				);
+				// we already have generated templates for this so let's go to the next message type.
+				continue;
+			}
+			$new_message_template_group = EEH_MSG_Template::create_new_templates($messenger, $message_type, $GRP_ID, $global);
+
+			if (! $new_message_template_group) {
+				continue;
+			}
+			$templates[] = $new_message_template_group;
+		}
+
+		return $templates;
+	}
+
+
+	/**
+	 * The purpose of this method is to determine if there are already generated templates in the database for the
+	 * given variables.
+	 *
+	 * @param string $messenger    messenger
+	 * @param string $message_type message type
+	 * @param int    $GRP_ID       GRP ID ( if a custom template) (if not provided then we're just doing global
+	 *                             template check)
+	 * @return bool                true = generated, false = hasn't been generated.
+	 * @throws EE_Error
+	 */
+	public static function already_generated($messenger, $message_type, $GRP_ID = 0)
+	{
+		EEH_MSG_Template::_set_autoloader();
+		// what method we use depends on whether we have an GRP_ID or not
+		$count = empty($GRP_ID)
+			? EEM_Message_Template::instance()->count(
+				array(
+					array(
+						'Message_Template_Group.MTP_messenger'    => $messenger,
+						'Message_Template_Group.MTP_message_type' => $message_type,
+						'Message_Template_Group.MTP_is_global'    => true
+					)
+				)
+			)
+			: EEM_Message_Template::instance()->count(array( array( 'GRP_ID' => $GRP_ID ) ));
+
+		return $count > 0;
+	}
+
+
+	/**
+	 * Updates all message templates matching the incoming messengers and message types to active status.
+	 *
+	 * @static
+	 * @param array $messenger_names    Messenger slug
+	 * @param array $message_type_names Message type slug
+	 * @return  int                         count of updated records.
+	 * @throws EE_Error
+	 */
+	public static function update_to_active($messenger_names, $message_type_names)
+	{
+		$messenger_names = is_array($messenger_names) ? $messenger_names : array( $messenger_names );
+		$message_type_names = is_array($message_type_names) ? $message_type_names : array( $message_type_names );
+		return EEM_Message_Template_Group::instance()->update(
+			array( 'MTP_is_active' => 1 ),
+			array(
+				array(
+					'MTP_messenger'     => array( 'IN', $messenger_names ),
+					'MTP_message_type'  => array( 'IN', $message_type_names )
+				)
+			)
+		);
+	}
+
+
+	/**
+	 * Updates all message template groups matching the incoming arguments to inactive status.
+	 *
+	 * @static
+	 * @param array $messenger_names    The messenger slugs.
+	 *                                  If empty then all templates matching the message types are marked inactive.
+	 *                                  Otherwise only templates matching the messengers and message types.
+	 * @param array $message_type_names The message type slugs.
+	 *                                  If empty then all templates matching the messengers are marked inactive.
+	 *                                  Otherwise only templates matching the messengers and message types.
+	 *
+	 * @return int  count of updated records.
+	 * @throws EE_Error
+	 */
+	public static function update_to_inactive($messenger_names = array(), $message_type_names = array())
+	{
+		return EEM_Message_Template_Group::instance()->deactivate_message_template_groups_for(
+			$messenger_names,
+			$message_type_names
+		);
+	}
+
+
+	/**
+	 * The purpose of this function is to return all installed message objects
+	 * (messengers and message type regardless of whether they are ACTIVE or not)
+	 *
+	 * @param string $type
+	 * @return array array consisting of installed messenger objects and installed message type objects.
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated 4.9.0
+	 * @static
+	 */
+	public static function get_installed_message_objects($type = 'all')
+	{
+		self::_set_autoloader();
+		$message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		return array(
+			'messenger' => $message_resource_manager->installed_messengers(),
+			'message_type' => $message_resource_manager->installed_message_types()
+		);
+	}
+
+
+	/**
+	 * This will return an array of shortcodes => labels from the
+	 * messenger and message_type objects associated with this
+	 * template.
+	 *
+	 * @param string $message_type
+	 * @param string $messenger
+	 * @param array  $fields                        What fields we're returning valid shortcodes for.
+	 *                                              If empty then we assume all fields are to be returned. Optional.
+	 * @param string $context                       What context we're going to return shortcodes for. Optional.
+	 * @param bool   $merged                        If TRUE then we don't return shortcodes indexed by field,
+	 *                                              but instead an array of the unique shortcodes for all the given (
+	 *                                              or all) fields. Optional.
+	 * @return array                                an array of shortcodes in the format
+	 *                                              array( '[shortcode] => 'label')
+	 *                                              OR
+	 *                                              FALSE if no shortcodes found.
+	 * @throws ReflectionException
+	 * @throws EE_Error*@since 4.3.0
+	 *
+	 */
+	public static function get_shortcodes(
+		$message_type,
+		$messenger,
+		$fields = array(),
+		$context = 'admin',
+		$merged = false
+	) {
+		$messenger_name = str_replace(' ', '_', ucwords(str_replace('_', ' ', $messenger)));
+		$mt_name = str_replace(' ', '_', ucwords(str_replace('_', ' ', $message_type)));
+		/** @var EE_Message_Resource_Manager $message_resource_manager */
+		$message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		// convert slug to object
+		$messenger = $message_resource_manager->get_messenger($messenger);
+
+		// if messenger isn't a EE_messenger resource then bail.
+		if (! $messenger instanceof EE_messenger) {
+			return array();
+		}
+
+		// validate class for getting our list of shortcodes
+		$classname = 'EE_Messages_' . $messenger_name . '_' . $mt_name . '_Validator';
+		if (! class_exists($classname)) {
+			$msg[] = esc_html__('The Validator class was unable to load', 'event_espresso');
+			$msg[] = sprintf(
+				esc_html__('The class name compiled was %s. Please check and make sure the spelling and case is correct for the class name and that there is an autoloader in place for this class', 'event_espresso'),
+				$classname
+			);
+			throw new EE_Error(implode('||', $msg));
+		}
+
+		/** @type EE_Messages_Validator $_VLD */
+		$_VLD = new $classname(array(), $context);
+		$valid_shortcodes = $_VLD->get_validators();
+
+		// let's make sure we're only getting the shortcode part of the validators
+		$shortcodes = array();
+		foreach ($valid_shortcodes as $field => $validators) {
+			$shortcodes[ $field ] = $validators['shortcodes'];
+		}
+		$valid_shortcodes = $shortcodes;
+
+		// if not all fields let's make sure we ONLY include the shortcodes for the specified fields.
+		if (! empty($fields)) {
+			$specified_shortcodes = array();
+			foreach ($fields as $field) {
+				if (isset($valid_shortcodes[ $field ])) {
+					$specified_shortcodes[ $field ] = $valid_shortcodes[ $field ];
+				}
+			}
+			$valid_shortcodes = $specified_shortcodes;
+		}
+
+		// if not merged then let's replace the fields with the localized fields
+		if (! $merged) {
+			// let's get all the fields for the set messenger so that we can get the localized label and use that in the returned array.
+			$field_settings = $messenger->get_template_fields();
+			$localized = array();
+			foreach ($valid_shortcodes as $field => $shortcodes) {
+				// get localized field label
+				if (isset($field_settings[ $field ])) {
+					// possible that this is used as a main field.
+					if (empty($field_settings[ $field ])) {
+						if (isset($field_settings['extra'][ $field ])) {
+							$_field = $field_settings['extra'][ $field ]['main']['label'];
+						} else {
+							$_field = $field;
+						}
+					} else {
+						$_field = $field_settings[ $field ]['label'];
+					}
+				} elseif (isset($field_settings['extra'])) {
+					// loop through extra "main fields" and see if any of their children have our field
+					foreach ($field_settings['extra'] as $fields) {
+						if (isset($fields[ $field ])) {
+							$_field = $fields[ $field ]['label'];
+						} else {
+							$_field = $field;
+						}
+					}
+				} else {
+					$_field = $field;
+				}
+				if (isset($_field)) {
+					$localized[ (string) $_field ] = $shortcodes;
+				}
+			}
+			$valid_shortcodes = $localized;
+		}
+
+		// if $merged then let's merge all the shortcodes into one list NOT indexed by field.
+		if ($merged) {
+			$merged_codes = array();
+			foreach ($valid_shortcodes as $shortcode) {
+				foreach ($shortcode as $code => $label) {
+					if (isset($merged_codes[ $code ])) {
+						continue;
+					} else {
+						$merged_codes[ $code ] = $label;
+					}
+				}
+			}
+			$valid_shortcodes = $merged_codes;
+		}
+
+		return $valid_shortcodes;
+	}
+
+
+	/**
+	 * Get Messenger object.
+	 *
+	 * @param string $messenger messenger slug for the messenger object we want to retrieve.
+	 * @return EE_messenger
+	 * @throws ReflectionException
+	 * @throws EE_Error*@since 4.3.0
+	 * @deprecated 4.9.0
+	 */
+	public static function messenger_obj($messenger)
+	{
+		/** @type EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		return $Message_Resource_Manager->get_messenger($messenger);
+	}
+
+
+	/**
+	 * get Message type object
+	 *
+	 * @param string $message_type the slug for the message type object to retrieve
+	 * @return EE_message_type
+	 * @throws ReflectionException
+	 * @throws EE_Error*@since 4.3.0
+	 * @deprecated 4.9.0
+	 */
+	public static function message_type_obj($message_type)
+	{
+		/** @type EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		return $Message_Resource_Manager->get_message_type($message_type);
+	}
+
+
+	/**
+	 * Given a message_type slug, will return whether that message type is active in the system or not.
+	 *
+	 * @since    4.3.0
+	 * @param string $message_type message type to check for.
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function is_mt_active($message_type)
+	{
+		/** @type EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$active_mts = $Message_Resource_Manager->list_of_active_message_types();
+		return in_array($message_type, $active_mts);
+	}
+
+
+	/**
+	 * Given a messenger slug, will return whether that messenger is active in the system or not.
+	 *
+	 * @since    4.3.0
+	 *
+	 * @param string $messenger slug for messenger to check.
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function is_messenger_active($messenger)
+	{
+		/** @type EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$active_messenger = $Message_Resource_Manager->get_active_messenger($messenger);
+		return $active_messenger instanceof EE_messenger;
+	}
+
+
+	/**
+	 * Used to return active messengers array stored in the wp options table.
+	 * If no value is present in the option then an empty array is returned.
+	 *
+	 * @deprecated 4.9
+	 * @since      4.3.1
+	 *
+	 * @return array
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function get_active_messengers_in_db()
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Please use EE_Message_Resource_Manager::get_active_messengers_option() instead.', 'event_espresso'),
+			'4.9.0'
+		);
+		/** @var EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		return $Message_Resource_Manager->get_active_messengers_option();
+	}
+
+
+	/**
+	 * Used to update the active messengers array stored in the wp options table.
+	 *
+	 * @since      4.3.1
+	 * @deprecated 4.9.0
+	 *
+	 * @param array $data_to_save Incoming data to save.
+	 *
+	 * @return bool FALSE if not updated, TRUE if updated.
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function update_active_messengers_in_db($data_to_save)
+	{
+		EE_Error::doing_it_wrong(
+			__METHOD__,
+			esc_html__('Please use EE_Message_Resource_Manager::update_active_messengers_option() instead.', 'event_espresso'),
+			'4.9.0'
+		);
+		/** @var EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		return $Message_Resource_Manager->update_active_messengers_option($data_to_save);
+	}
+
+
+	/**
+	 * This does some validation of incoming params, determines what type of url is being prepped and returns the
+	 * appropriate url trigger
+	 *
+	 * @param EE_message_type $message_type
+	 * @param EE_Message $message
+	 * @param EE_Registration | null $registration  The registration object must be included if this
+	 *                                              is going to be a registration trigger url.
+	 * @param string $sending_messenger             The (optional) sending messenger for the url.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_url_trigger(
+		EE_message_type $message_type,
+		EE_Message $message,
+		$registration = null,
+		$sending_messenger = ''
+	) {
+		// first determine if the url can be to the EE_Message object.
+		if (! $message_type->always_generate()) {
+			return EEH_MSG_Template::generate_browser_trigger($message);
+		}
+
+		// if $registration object is not valid then exit early because there's nothing that can be generated.
+		if (! $registration instanceof EE_Registration) {
+			throw new EE_Error(
+				esc_html__('Incoming value for registration is not a valid EE_Registration object.', 'event_espresso')
+			);
+		}
+
+		// validate given context
+		$contexts = $message_type->get_contexts();
+		if ($message->context() !== '' && ! isset($contexts[ $message->context() ])) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('The context %s is not a valid context for %s.', 'event_espresso'),
+					$message->context(),
+					get_class($message_type)
+				)
+			);
+		}
+
+		// valid sending messenger but only if sending messenger set.  Otherwise generating messenger is used.
+		if (! empty($sending_messenger)) {
+			$with_messengers = $message_type->with_messengers();
+			if (
+				! isset($with_messengers[ $message->messenger() ])
+				 || ! in_array($sending_messenger, $with_messengers[ $message->messenger() ])
+			) {
+				throw new EE_Error(
+					sprintf(
+						esc_html__(
+							'The given sending messenger string (%1$s) does not match a valid sending messenger with the %2$s.  If this is incorrect, make sure that the message type has defined this messenger as a sending messenger in its $_with_messengers array.',
+							'event_espresso'
+						),
+						$sending_messenger,
+						get_class($message_type)
+					)
+				);
+			}
+		} else {
+			$sending_messenger = $message->messenger();
+		}
+		return EEH_MSG_Template::generate_url_trigger(
+			$sending_messenger,
+			$message->messenger(),
+			$message->context(),
+			$message->message_type(),
+			$registration,
+			$message->GRP_ID()
+		);
+	}
+
+
+	/**
+	 * This returns the url for triggering a in browser view of a specific EE_Message object.
+	 * @param EE_Message $message
+	 * @return string.
+	 */
+	public static function generate_browser_trigger(EE_Message $message)
+	{
+		$query_args = array(
+			'ee' => 'msg_browser_trigger',
+			'token' => $message->MSG_token()
+		);
+		return apply_filters(
+			'FHEE__EEH_MSG_Template__generate_browser_trigger',
+			add_query_arg($query_args, site_url()),
+			$message
+		);
+	}
+
+
+
+
+
+
+	/**
+	 * This returns the url for triggering an in browser view of the error saved on the incoming message object.
+	 * @param EE_Message $message
+	 * @return string
+	 */
+	public static function generate_error_display_trigger(EE_Message $message)
+	{
+		return apply_filters(
+			'FHEE__EEH_MSG_Template__generate_error_display_trigger',
+			add_query_arg(
+				array(
+					'ee' => 'msg_browser_error_trigger',
+					'token' => $message->MSG_token()
+				),
+				site_url()
+			),
+			$message
+		);
+	}
+
+
+	/**
+	 * This generates a url trigger for the msg_url_trigger route using the given arguments
+	 *
+	 * @param string          $sending_messenger      The sending messenger slug.
+	 * @param string          $generating_messenger   The generating messenger slug.
+	 * @param string          $context                The context for the template.
+	 * @param string          $message_type           The message type slug
+	 * @param EE_Registration $registration
+	 * @param integer         $message_template_group id   The EE_Message_Template_Group ID for the template.
+	 * @param integer         $data_id                The id to the EE_Base_Class for getting the data used by the
+	 *                                                trigger.
+	 * @return string          The generated url.
+	 * @throws EE_Error
+	 */
+	public static function generate_url_trigger(
+		$sending_messenger,
+		$generating_messenger,
+		$context,
+		$message_type,
+		EE_Registration $registration,
+		$message_template_group,
+		$data_id = 0
+	) {
+		$query_args = array(
+			'ee' => 'msg_url_trigger',
+			'snd_msgr' => $sending_messenger,
+			'gen_msgr' => $generating_messenger,
+			'message_type' => $message_type,
+			'context' => $context,
+			'token' => $registration->reg_url_link(),
+			'GRP_ID' => $message_template_group,
+			'id' => $data_id
+			);
+		$url = add_query_arg($query_args, get_home_url());
+
+		// made it here so now we can just get the url and filter it.  Filtered globally and by message type.
+		return apply_filters(
+			'FHEE__EEH_MSG_Template__generate_url_trigger',
+			$url,
+			$sending_messenger,
+			$generating_messenger,
+			$context,
+			$message_type,
+			$registration,
+			$message_template_group,
+			$data_id
+		);
+	}
+
+
+
+
+	/**
+	 * Return the specific css for the action icon given.
+	 *
+	 * @param string $type  What action to return.
+	 * @return string[]
+	 * @since 4.9.0
+	 */
+	public static function get_message_action_icon($type)
+	{
+		$action_icons = self::get_message_action_icons();
+		return isset($action_icons[ $type ]) ? $action_icons[ $type ] : [];
+	}
+
+
+	/**
+	 * This is used for retrieving the css classes used for the icons representing message actions.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return array
+	 */
+	public static function get_message_action_icons()
+	{
+		return apply_filters(
+			'FHEE__EEH_MSG_Template__message_action_icons',
+			array(
+				'view' => array(
+					'label' => esc_html__('View Message', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-welcome-view-site',
+				),
+				'error' => array(
+					'label' => esc_html__('View Error Message', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-info',
+				),
+				'see_notifications_for' => array(
+					'label' => esc_html__('View Related Messages', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-megaphone',
+				),
+				'generate_now' => array(
+					'label' => esc_html__('Generate the message now.', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-admin-tools',
+				),
+				'send_now' => array(
+					'label' => esc_html__('Send Immediately', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-controls-forward',
+				),
+				'queue_for_resending' => array(
+					'label' => esc_html__('Queue for Resending', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-controls-repeat',
+				),
+				'view_transaction' => array(
+					'label' => esc_html__('View related Transaction', 'event_espresso'),
+					'css_class' => 'dashicons dashicons-cart',
+				)
+			)
+		);
+	}
+
+
+	/**
+	 * This returns the url for a given action related to EE_Message.
+	 *
+	 * @param string     $type         What type of action to return the url for.
+	 * @param EE_Message $message      Required for generating the correct url for some types.
+	 * @param array      $query_params Any additional query params to be included with the generated url.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.9.0
+	 *
+	 */
+	public static function get_message_action_url($type, EE_Message $message = null, $query_params = array())
+	{
+		$action_urls = self::get_message_action_urls($message, $query_params);
+		return isset($action_urls[ $type ])  ? $action_urls[ $type ] : '';
+	}
+
+
+	/**
+	 * This returns all the current urls for EE_Message actions.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @param EE_Message $message      The EE_Message object required to generate correct urls for some types.
+	 * @param array      $query_params Any additional query_params to be included with the generated url.
+	 *
+	 * @return array
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function get_message_action_urls(EE_Message $message = null, $query_params = array())
+	{
+		EE_Registry::instance()->load_helper('URL');
+		// if $message is not an instance of EE_Message then let's just do a dummy.
+		$message = empty($message) ? EE_Message_Factory::create() : $message;
+		$action_urls =  apply_filters(
+			'FHEE__EEH_MSG_Template__get_message_action_url',
+			array(
+				'view' => EEH_MSG_Template::generate_browser_trigger($message),
+				'error' => EEH_MSG_Template::generate_error_display_trigger($message),
+				'see_notifications_for' => EEH_URL::add_query_args_and_nonce(
+					array_merge(
+						array(
+							'page' => 'espresso_messages',
+							'action' => 'default',
+							'filterby' => 1,
+						),
+						$query_params
+					),
+					admin_url('admin.php')
+				),
+				'generate_now' => EEH_URL::add_query_args_and_nonce(
+					array(
+						'page' => 'espresso_messages',
+						'action' => 'generate_now',
+						'MSG_ID' => $message->ID()
+					),
+					admin_url('admin.php')
+				),
+				'send_now' => EEH_URL::add_query_args_and_nonce(
+					array(
+						'page' => 'espresso_messages',
+						'action' => 'send_now',
+						'MSG_ID' => $message->ID()
+					),
+					admin_url('admin.php')
+				),
+				'queue_for_resending' => EEH_URL::add_query_args_and_nonce(
+					array(
+						'page' => 'espresso_messages',
+						'action' => 'queue_for_resending',
+						'MSG_ID' => $message->ID()
+					),
+					admin_url('admin.php')
+				),
+			)
+		);
+		if (
+			$message->TXN_ID() > 0
+			&& EE_Registry::instance()->CAP->current_user_can(
+				'ee_read_transaction',
+				'espresso_transactions_default',
+				$message->TXN_ID()
+			)
+		) {
+			$action_urls['view_transaction'] = EEH_URL::add_query_args_and_nonce(
+				array(
+					'page' => 'espresso_transactions',
+					'action' => 'view_transaction',
+					'TXN_ID' => $message->TXN_ID()
+				),
+				admin_url('admin.php')
+			);
+		} else {
+			$action_urls['view_transaction'] = '';
+		}
+		return $action_urls;
+	}
+
+
+	/**
+	 * This returns a generated link html including the icon used for the action link for EE_Message actions.
+	 *
+	 * @param string          $type         What type of action the link is for (if invalid type is passed in then an
+	 *                                      empty string is returned)
+	 * @param EE_Message|null $message      The EE_Message object (required for some actions to generate correctly)
+	 * @param array           $query_params Any extra query params to include in the generated link.
+	 *
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.9.0
+	 *
+	 */
+	public static function get_message_action_link($type, EE_Message $message = null, $query_params = array())
+	{
+		$url = EEH_MSG_Template::get_message_action_url($type, $message, $query_params);
+		$icon_css = EEH_MSG_Template::get_message_action_icon($type);
+		$title = isset($icon_css['label']) ? 'title="' . $icon_css['label'] . '"' : '';
+
+		if (empty($url) || empty($icon_css) || ! isset($icon_css['css_class'])) {
+			return '';
+		}
+
+		$icon_css['css_class'] .= esc_attr(
+			apply_filters(
+				'FHEE__EEH_MSG_Template__get_message_action_link__icon_css_class',
+				' js-ee-message-action-link ee-message-action-link-' . $type,
+				$type,
+				$message,
+				$query_params
+			)
+		);
+
+		return '<a href="' . $url . '" ' . $title . '><span class="' . esc_attr($icon_css['css_class']) . '"></span></a>';
+	}
+
+
+
+
+
+	/**
+	 * This returns an array with keys as reg statuses and values as the corresponding message type slug (filtered).
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	public static function reg_status_to_message_type_array()
+	{
+		return (array) apply_filters(
+			'FHEE__EEH_MSG_Template__reg_status_to_message_type_array',
+			array(
+				EEM_Registration::status_id_approved => 'registration',
+				EEM_Registration::status_id_pending_payment => 'pending_approval',
+				EEM_Registration::status_id_not_approved => 'not_approved_registration',
+				EEM_Registration::status_id_cancelled => 'cancelled_registration',
+				EEM_Registration::status_id_declined => 'declined_registration'
+			)
+		);
+	}
+
+
+
+
+	/**
+	 * This returns the corresponding registration message type slug to the given reg status. If there isn't a
+	 * match, then returns an empty string.
+	 *
+	 * @since 4.9.0
+	 * @param $reg_status
+	 * @return string
+	 */
+	public static function convert_reg_status_to_message_type($reg_status)
+	{
+		$reg_status_array = self::reg_status_to_message_type_array();
+		return isset($reg_status_array[ $reg_status ]) ? $reg_status_array[ $reg_status ] : '';
+	}
+
+
+	/**
+	 * This returns an array with keys as payment stati and values as the corresponding message type slug (filtered).
+	 *
+	 * @since 4.9.0
+	 * @return array
+	 */
+	public static function payment_status_to_message_type_array()
+	{
+		return (array) apply_filters(
+			'FHEE__EEH_MSG_Template__payment_status_to_message_type_array',
+			array(
+				EEM_Payment::status_id_approved => 'payment',
+				EEM_Payment::status_id_pending => 'payment_pending',
+				EEM_Payment::status_id_cancelled => 'payment_cancelled',
+				EEM_Payment::status_id_declined => 'payment_declined',
+				EEM_Payment::status_id_failed => 'payment_failed'
+			)
+		);
+	}
+
+
+
+
+	/**
+	 * This returns the corresponding payment message type slug to the given payment status. If there isn't a match then
+	 * an empty string is returned
+	 *
+	 * @since 4.9.0
+	 * @param $payment_status
+	 * @return string
+	 */
+	public static function convert_payment_status_to_message_type($payment_status)
+	{
+		$payment_status_array = self::payment_status_to_message_type_array();
+		return isset($payment_status_array[ $payment_status ]) ? $payment_status_array[ $payment_status ] : '';
+	}
+
+
+	/**
+	 * This is used to retrieve the template pack for the given name.
+	 *
+	 * @param string $template_pack_name  should match the set `dbref` property value on the EE_Messages_Template_Pack.
+	 *
+	 * @return EE_Messages_Template_Pack
+	 */
+	public static function get_template_pack($template_pack_name)
+	{
+		if (! self::$_template_pack_collection instanceof EE_Object_Collection) {
+			self::$_template_pack_collection = new EE_Messages_Template_Pack_Collection();
+		}
+
+		// first see if in collection already
+		$template_pack = self::$_template_pack_collection->get_by_name($template_pack_name);
+
+		if ($template_pack instanceof EE_Messages_Template_Pack) {
+			return $template_pack;
+		}
+
+		// nope...let's get it.
+		// not set yet so let's attempt to get it.
+		$pack_class_name = 'EE_Messages_Template_Pack_' . str_replace(
+			' ',
+			'_',
+			ucwords(
+				str_replace('_', ' ', $template_pack_name)
+			)
+		);
+		if (! class_exists($pack_class_name) && $template_pack_name !== 'default') {
+			return self::get_template_pack('default');
+		} else {
+			$template_pack = new $pack_class_name();
+			self::$_template_pack_collection->add($template_pack);
+			return $template_pack;
+		}
+	}
+
+
+
+
+	/**
+	 * Globs template packs installed in core and returns the template pack collection with all installed template packs
+	 * in it.
+	 *
+	 * @since 4.9.0
+	 *
+	 * @return EE_Messages_Template_Pack_Collection
+	 */
+	public static function get_template_pack_collection()
+	{
+		$new_collection = false;
+		if (! self::$_template_pack_collection instanceof EE_Messages_Template_Pack_Collection) {
+			self::$_template_pack_collection = new EE_Messages_Template_Pack_Collection();
+			$new_collection = true;
+		}
+
+		// glob the defaults directory for messages
+		$templates = glob(EE_LIBRARIES . 'messages/defaults/*', GLOB_ONLYDIR);
+		foreach ($templates as $template_path) {
+			// grab folder name
+			$template = basename($template_path);
+
+			if (! $new_collection) {
+				// already have it?
+				if (self::$_template_pack_collection->get_by_name($template) instanceof EE_Messages_Template_Pack) {
+					continue;
+				}
+			}
+
+			// setup classname.
+			$template_pack_class_name = 'EE_Messages_Template_Pack_' . str_replace(
+				' ',
+				'_',
+				ucwords(
+					str_replace(
+						'_',
+						' ',
+						$template
+					)
+				)
+			);
+			if (! class_exists($template_pack_class_name)) {
+				continue;
+			}
+			self::$_template_pack_collection->add(new $template_pack_class_name());
+		}
+
+		/**
+		 * Filter for plugins to add in any additional template packs
+		 * Note the filter name here is for backward compat, this used to be found in EED_Messages.
+		 */
+		$additional_template_packs = apply_filters('FHEE__EED_Messages__get_template_packs__template_packs', array());
+		foreach ((array) $additional_template_packs as $template_pack) {
+			if (
+				self::$_template_pack_collection->get_by_name(
+					$template_pack->dbref
+				) instanceof EE_Messages_Template_Pack
+			) {
+				continue;
+			}
+			self::$_template_pack_collection->add($template_pack);
+		}
+		return self::$_template_pack_collection;
+	}
+
+
+	/**
+	 * This is a wrapper for the protected _create_new_templates function
+	 *
+	 * @param string $messenger_name
+	 * @param string $message_type_name message type that the templates are being created for
+	 * @param int    $GRP_ID
+	 * @param bool   $global
+	 * @return array
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function create_new_templates($messenger_name, $message_type_name, $GRP_ID = 0, $global = false)
+	{
+		/** @type EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$messenger = $Message_Resource_Manager->valid_messenger($messenger_name);
+		$message_type = $Message_Resource_Manager->valid_message_type($message_type_name);
+		if (! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type, $global)) {
+			return array();
+		}
+		// whew made it this far!  Okay, let's go ahead and create the templates then
+		return EEH_MSG_Template::_create_new_templates($messenger, $message_type, $GRP_ID, $global);
+	}
+
+
+	/**
+	 * @param EE_messenger     $messenger
+	 * @param EE_message_type  $message_type
+	 * @param                  $GRP_ID
+	 * @param                  $global
+	 * @return array|mixed
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected static function _create_new_templates(EE_messenger $messenger, EE_message_type $message_type, $GRP_ID, $global)
+	{
+		// if we're creating a custom template then we don't need to use the defaults class
+		if (! $global) {
+			return EEH_MSG_Template::_create_custom_template_group($messenger, $message_type, $GRP_ID);
+		}
+		/** @type EE_Messages_Template_Defaults $Message_Template_Defaults */
+		$Message_Template_Defaults = EE_Registry::factory(
+			'EE_Messages_Template_Defaults',
+			array( $messenger, $message_type, $GRP_ID )
+		);
+		// generate templates
+		$success = $Message_Template_Defaults->create_new_templates();
+
+		// if creating the template failed.  Then we should deactivate the related message_type for the messenger because
+		// its not active if it doesn't have a template.  Note this is only happening for GLOBAL template creation
+		// attempts.
+		if (! $success) {
+			/** @var EE_Message_Resource_Manager $message_resource_manager */
+			$message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+			$message_resource_manager->deactivate_message_type_for_messenger($message_type->name, $messenger->name);
+		}
+
+		/**
+		 * $success is in an array in the following format
+		 * array(
+		 *    'GRP_ID' => $new_grp_id,
+		 *    'MTP_context' => $first_context_in_new_templates,
+		 * )
+		 */
+		return $success;
+	}
+
+
+	/**
+	 * This creates a custom template using the incoming GRP_ID
+	 *
+	 * @param EE_messenger    $messenger
+	 * @param EE_message_type $message_type
+	 * @param int             $GRP_ID           GRP_ID for the template_group being used as the base
+	 * @return  array $success              This will be an array in the format:
+	 *                                          array(
+	 *                                          'GRP_ID' => $new_grp_id,
+	 *                                          'MTP_context' => $first_context_in_created_template
+	 *                                          )
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @access private
+	 */
+	private static function _create_custom_template_group(EE_messenger $messenger, EE_message_type $message_type, $GRP_ID)
+	{
+		// defaults
+		$success = array( 'GRP_ID' => null, 'MTP_context' => '' );
+		// get the template group to use as a template from the db.  If $GRP_ID is empty then we'll assume the base will be the global template matching the messenger and message type.
+		$Message_Template_Group = empty($GRP_ID)
+			? EEM_Message_Template_Group::instance()->get_one(
+				array(
+					array(
+						'MTP_messenger'    => $messenger->name,
+						'MTP_message_type' => $message_type->name,
+						'MTP_is_global'    => true
+					)
+				)
+			)
+			: EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
+		// if we don't have a mtg at this point then we need to bail.
+		if (! $Message_Template_Group instanceof EE_Message_Template_Group) {
+			EE_Error::add_error(
+				sprintf(
+					esc_html__(
+						'Something went wrong with generating the custom template from this group id: %s.  This usually happens when there is no matching message template group in the db.',
+						'event_espresso'
+					),
+					$GRP_ID
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return $success;
+		}
+		// let's get all the related message_template objects for this group.
+		$message_templates = $Message_Template_Group->message_templates();
+		// now we have what we need to setup the new template
+		$new_mtg = clone $Message_Template_Group;
+		$new_mtg->set('GRP_ID', 0);
+		$new_mtg->set('MTP_is_global', false);
+
+		/** @var RequestInterface $request */
+		$request = LoaderFactory::getLoader()->getShared(RequestInterface::class);
+		$template_name = $request->isAjax() && $request->requestParamIsSet('templateName')
+			? $request->getRequestParam('templateName')
+			: esc_html__('New Custom Template', 'event_espresso');
+		$template_description = $request->isAjax() && $request->requestParamIsSet('templateDescription')
+			? $request->getRequestParam('templateDescription')
+			: sprintf(
+				esc_html__(
+					'This is a custom template that was created for the %s messenger and %s message type.',
+					'event_espresso'
+				),
+				$new_mtg->messenger_obj()->label['singular'],
+				$new_mtg->message_type_obj()->label['singular']
+			);
+		$new_mtg->set('MTP_name', $template_name);
+		$new_mtg->set('MTP_description', $template_description);
+		// remove ALL relations on this template group so they don't get saved!
+		$new_mtg->_remove_relations('Message_Template');
+		$new_mtg->save();
+		$success['GRP_ID'] = $new_mtg->ID();
+		$success['template_name'] = $template_name;
+		// add new message templates and add relation to.
+		foreach ($message_templates as $message_template) {
+			if (! $message_template instanceof EE_Message_Template) {
+				continue;
+			}
+			$new_message_template = clone $message_template;
+			$new_message_template->set('MTP_ID', 0);
+			$new_message_template->set('GRP_ID', $new_mtg->ID()); // relation
+			$new_message_template->save();
+			if (empty($success['MTP_context'])) {
+				$success['MTP_context'] = $new_message_template->get('MTP_context');
+			}
+		}
+		return $success;
+	}
+
+
+	/**
+	 * message_type_has_active_templates_for_messenger
+	 *
+	 * @param EE_messenger    $messenger
+	 * @param EE_message_type $message_type
+	 * @param bool            $global
+	 * @return bool
+	 * @throws EE_Error
+	 */
+	public static function message_type_has_active_templates_for_messenger(
+		EE_messenger $messenger,
+		EE_message_type $message_type,
+		$global = false
+	) {
+		// is given message_type valid for given messenger (if this is not a global save)
+		if ($global) {
+			return true;
+		}
+		$active_templates = EEM_Message_Template_Group::instance()->count(
+			array(
+				array(
+					'MTP_is_active'    => true,
+					'MTP_messenger'    => $messenger->name,
+					'MTP_message_type' => $message_type->name
+				)
+			)
+		);
+		if ($active_templates > 0) {
+			return true;
+		}
+		EE_Error::add_error(
+			sprintf(
+				esc_html__(
+					'The %1$s message type is not registered with the %2$s messenger. Please visit the Messenger activation page to assign this message type first if you want to use it.',
+					'event_espresso'
+				),
+				$message_type->name,
+				$messenger->name
+			),
+			__FILE__,
+			__FUNCTION__,
+			__LINE__
+		);
+		return false;
+	}
+
+
+	/**
+	 * get_fields
+	 * This takes a given messenger and message type and returns all the template fields indexed by context (and with field type).
+	 *
+	 * @param string $messenger_name    name of EE_messenger
+	 * @param string $message_type_name name of EE_message_type
+	 * @return array
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function get_fields($messenger_name, $message_type_name)
+	{
+		$template_fields = array();
+		/** @type EE_Message_Resource_Manager $Message_Resource_Manager */
+		$Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$messenger = $Message_Resource_Manager->valid_messenger($messenger_name);
+		$message_type = $Message_Resource_Manager->valid_message_type($message_type_name);
+		if (! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type)) {
+			return array();
+		}
+
+		$excluded_fields_for_messenger = $message_type->excludedFieldsForMessenger($messenger_name);
+
+		// okay now let's assemble an array with the messenger template fields added to the message_type contexts.
+		foreach ($message_type->get_contexts() as $context => $details) {
+			foreach ($messenger->get_template_fields() as $field => $value) {
+				if (in_array($field, $excluded_fields_for_messenger, true)) {
+					continue;
+				}
+				$template_fields[ $context ][ $field ] = $value;
+			}
+		}
+		if (empty($template_fields)) {
+			EE_Error::add_error(
+				esc_html__('Something went wrong and we couldn\'t get any templates assembled', 'event_espresso'),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return array();
+		}
+		return $template_fields;
+	}
 }

Spacing +56 added lines, -56 removed lines

@@ -95,7 +95,7 @@ 
             }
             $new_message_template_group = EEH_MSG_Template::create_new_templates($messenger, $message_type, $GRP_ID, $global);
 
-            if (! $new_message_template_group) {
+            if ( ! $new_message_template_group) {
                 continue;
             }
             $templates[] = $new_message_template_group;
@@ -130,7 +130,7 @@ 
                     )
                 )
             )
-            : EEM_Message_Template::instance()->count(array( array( 'GRP_ID' => $GRP_ID ) ));
+            : EEM_Message_Template::instance()->count(array(array('GRP_ID' => $GRP_ID)));
 
         return $count > 0;
     }
@@ -147,14 +147,14 @@ 
      */
     public static function update_to_active($messenger_names, $message_type_names)
     {
-        $messenger_names = is_array($messenger_names) ? $messenger_names : array( $messenger_names );
-        $message_type_names = is_array($message_type_names) ? $message_type_names : array( $message_type_names );
+        $messenger_names = is_array($messenger_names) ? $messenger_names : array($messenger_names);
+        $message_type_names = is_array($message_type_names) ? $message_type_names : array($message_type_names);
         return EEM_Message_Template_Group::instance()->update(
-            array( 'MTP_is_active' => 1 ),
+            array('MTP_is_active' => 1),
             array(
                 array(
-                    'MTP_messenger'     => array( 'IN', $messenger_names ),
-                    'MTP_message_type'  => array( 'IN', $message_type_names )
+                    'MTP_messenger'     => array('IN', $messenger_names),
+                    'MTP_message_type'  => array('IN', $message_type_names)
                 )
             )
         );
@@ -242,13 +242,13 @@ 
         $messenger = $message_resource_manager->get_messenger($messenger);
 
         // if messenger isn't a EE_messenger resource then bail.
-        if (! $messenger instanceof EE_messenger) {
+        if ( ! $messenger instanceof EE_messenger) {
             return array();
         }
 
         // validate class for getting our list of shortcodes
-        $classname = 'EE_Messages_' . $messenger_name . '_' . $mt_name . '_Validator';
-        if (! class_exists($classname)) {
+        $classname = 'EE_Messages_'.$messenger_name.'_'.$mt_name.'_Validator';
+        if ( ! class_exists($classname)) {
             $msg[] = esc_html__('The Validator class was unable to load', 'event_espresso');
             $msg[] = sprintf(
                 esc_html__('The class name compiled was %s. Please check and make sure the spelling and case is correct for the class name and that there is an autoloader in place for this class', 'event_espresso'),
@@ -264,44 +264,44 @@ 
         // let's make sure we're only getting the shortcode part of the validators
         $shortcodes = array();
         foreach ($valid_shortcodes as $field => $validators) {
-            $shortcodes[ $field ] = $validators['shortcodes'];
+            $shortcodes[$field] = $validators['shortcodes'];
         }
         $valid_shortcodes = $shortcodes;
 
         // if not all fields let's make sure we ONLY include the shortcodes for the specified fields.
-        if (! empty($fields)) {
+        if ( ! empty($fields)) {
             $specified_shortcodes = array();
             foreach ($fields as $field) {
-                if (isset($valid_shortcodes[ $field ])) {
-                    $specified_shortcodes[ $field ] = $valid_shortcodes[ $field ];
+                if (isset($valid_shortcodes[$field])) {
+                    $specified_shortcodes[$field] = $valid_shortcodes[$field];
                 }
             }
             $valid_shortcodes = $specified_shortcodes;
         }
 
         // if not merged then let's replace the fields with the localized fields
-        if (! $merged) {
+        if ( ! $merged) {
             // let's get all the fields for the set messenger so that we can get the localized label and use that in the returned array.
             $field_settings = $messenger->get_template_fields();
             $localized = array();
             foreach ($valid_shortcodes as $field => $shortcodes) {
                 // get localized field label
-                if (isset($field_settings[ $field ])) {
+                if (isset($field_settings[$field])) {
                     // possible that this is used as a main field.
-                    if (empty($field_settings[ $field ])) {
-                        if (isset($field_settings['extra'][ $field ])) {
-                            $_field = $field_settings['extra'][ $field ]['main']['label'];
+                    if (empty($field_settings[$field])) {
+                        if (isset($field_settings['extra'][$field])) {
+                            $_field = $field_settings['extra'][$field]['main']['label'];
                         } else {
                             $_field = $field;
                         }
                     } else {
-                        $_field = $field_settings[ $field ]['label'];
+                        $_field = $field_settings[$field]['label'];
                     }
                 } elseif (isset($field_settings['extra'])) {
                     // loop through extra "main fields" and see if any of their children have our field
                     foreach ($field_settings['extra'] as $fields) {
-                        if (isset($fields[ $field ])) {
-                            $_field = $fields[ $field ]['label'];
+                        if (isset($fields[$field])) {
+                            $_field = $fields[$field]['label'];
                         } else {
                             $_field = $field;
                         }
@@ -310,7 +310,7 @@ 
                     $_field = $field;
                 }
                 if (isset($_field)) {
-                    $localized[ (string) $_field ] = $shortcodes;
+                    $localized[(string) $_field] = $shortcodes;
                 }
             }
             $valid_shortcodes = $localized;
@@ -321,10 +321,10 @@ 
             $merged_codes = array();
             foreach ($valid_shortcodes as $shortcode) {
                 foreach ($shortcode as $code => $label) {
-                    if (isset($merged_codes[ $code ])) {
+                    if (isset($merged_codes[$code])) {
                         continue;
                     } else {
-                        $merged_codes[ $code ] = $label;
+                        $merged_codes[$code] = $label;
                     }
                 }
             }
@@ -475,12 +475,12 @@ 
         $sending_messenger = ''
     ) {
         // first determine if the url can be to the EE_Message object.
-        if (! $message_type->always_generate()) {
+        if ( ! $message_type->always_generate()) {
             return EEH_MSG_Template::generate_browser_trigger($message);
         }
 
         // if $registration object is not valid then exit early because there's nothing that can be generated.
-        if (! $registration instanceof EE_Registration) {
+        if ( ! $registration instanceof EE_Registration) {
             throw new EE_Error(
                 esc_html__('Incoming value for registration is not a valid EE_Registration object.', 'event_espresso')
             );
@@ -488,7 +488,7 @@ 
 
         // validate given context
         $contexts = $message_type->get_contexts();
-        if ($message->context() !== '' && ! isset($contexts[ $message->context() ])) {
+        if ($message->context() !== '' && ! isset($contexts[$message->context()])) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('The context %s is not a valid context for %s.', 'event_espresso'),
@@ -499,11 +499,11 @@ 
         }
 
         // valid sending messenger but only if sending messenger set.  Otherwise generating messenger is used.
-        if (! empty($sending_messenger)) {
+        if ( ! empty($sending_messenger)) {
             $with_messengers = $message_type->with_messengers();
             if (
-                ! isset($with_messengers[ $message->messenger() ])
-                 || ! in_array($sending_messenger, $with_messengers[ $message->messenger() ])
+                ! isset($with_messengers[$message->messenger()])
+                 || ! in_array($sending_messenger, $with_messengers[$message->messenger()])
             ) {
                 throw new EE_Error(
                     sprintf(
@@ -636,7 +636,7 @@ 
     public static function get_message_action_icon($type)
     {
         $action_icons = self::get_message_action_icons();
-        return isset($action_icons[ $type ]) ? $action_icons[ $type ] : [];
+        return isset($action_icons[$type]) ? $action_icons[$type] : [];
     }
 
 
@@ -701,7 +701,7 @@ 
     public static function get_message_action_url($type, EE_Message $message = null, $query_params = array())
     {
         $action_urls = self::get_message_action_urls($message, $query_params);
-        return isset($action_urls[ $type ])  ? $action_urls[ $type ] : '';
+        return isset($action_urls[$type]) ? $action_urls[$type] : '';
     }
 
 
@@ -722,7 +722,7 @@ 
         EE_Registry::instance()->load_helper('URL');
         // if $message is not an instance of EE_Message then let's just do a dummy.
         $message = empty($message) ? EE_Message_Factory::create() : $message;
-        $action_urls =  apply_filters(
+        $action_urls = apply_filters(
             'FHEE__EEH_MSG_Template__get_message_action_url',
             array(
                 'view' => EEH_MSG_Template::generate_browser_trigger($message),
@@ -805,7 +805,7 @@ 
     {
         $url = EEH_MSG_Template::get_message_action_url($type, $message, $query_params);
         $icon_css = EEH_MSG_Template::get_message_action_icon($type);
-        $title = isset($icon_css['label']) ? 'title="' . $icon_css['label'] . '"' : '';
+        $title = isset($icon_css['label']) ? 'title="'.$icon_css['label'].'"' : '';
 
         if (empty($url) || empty($icon_css) || ! isset($icon_css['css_class'])) {
             return '';
@@ -814,14 +814,14 @@ 
         $icon_css['css_class'] .= esc_attr(
             apply_filters(
                 'FHEE__EEH_MSG_Template__get_message_action_link__icon_css_class',
-                ' js-ee-message-action-link ee-message-action-link-' . $type,
+                ' js-ee-message-action-link ee-message-action-link-'.$type,
                 $type,
                 $message,
                 $query_params
             )
         );
 
-        return '<a href="' . $url . '" ' . $title . '><span class="' . esc_attr($icon_css['css_class']) . '"></span></a>';
+        return '<a href="'.$url.'" '.$title.'><span class="'.esc_attr($icon_css['css_class']).'"></span></a>';
     }
 
 
@@ -862,7 +862,7 @@ 
     public static function convert_reg_status_to_message_type($reg_status)
     {
         $reg_status_array = self::reg_status_to_message_type_array();
-        return isset($reg_status_array[ $reg_status ]) ? $reg_status_array[ $reg_status ] : '';
+        return isset($reg_status_array[$reg_status]) ? $reg_status_array[$reg_status] : '';
     }
 
 
@@ -900,7 +900,7 @@ 
     public static function convert_payment_status_to_message_type($payment_status)
     {
         $payment_status_array = self::payment_status_to_message_type_array();
-        return isset($payment_status_array[ $payment_status ]) ? $payment_status_array[ $payment_status ] : '';
+        return isset($payment_status_array[$payment_status]) ? $payment_status_array[$payment_status] : '';
     }
 
 
@@ -913,7 +913,7 @@ 
      */
     public static function get_template_pack($template_pack_name)
     {
-        if (! self::$_template_pack_collection instanceof EE_Object_Collection) {
+        if ( ! self::$_template_pack_collection instanceof EE_Object_Collection) {
             self::$_template_pack_collection = new EE_Messages_Template_Pack_Collection();
         }
 
@@ -926,14 +926,14 @@ 
 
         // nope...let's get it.
         // not set yet so let's attempt to get it.
-        $pack_class_name = 'EE_Messages_Template_Pack_' . str_replace(
+        $pack_class_name = 'EE_Messages_Template_Pack_'.str_replace(
             ' ',
             '_',
             ucwords(
                 str_replace('_', ' ', $template_pack_name)
             )
         );
-        if (! class_exists($pack_class_name) && $template_pack_name !== 'default') {
+        if ( ! class_exists($pack_class_name) && $template_pack_name !== 'default') {
             return self::get_template_pack('default');
         } else {
             $template_pack = new $pack_class_name();
@@ -956,18 +956,18 @@ 
     public static function get_template_pack_collection()
     {
         $new_collection = false;
-        if (! self::$_template_pack_collection instanceof EE_Messages_Template_Pack_Collection) {
+        if ( ! self::$_template_pack_collection instanceof EE_Messages_Template_Pack_Collection) {
             self::$_template_pack_collection = new EE_Messages_Template_Pack_Collection();
             $new_collection = true;
         }
 
         // glob the defaults directory for messages
-        $templates = glob(EE_LIBRARIES . 'messages/defaults/*', GLOB_ONLYDIR);
+        $templates = glob(EE_LIBRARIES.'messages/defaults/*', GLOB_ONLYDIR);
         foreach ($templates as $template_path) {
             // grab folder name
             $template = basename($template_path);
 
-            if (! $new_collection) {
+            if ( ! $new_collection) {
                 // already have it?
                 if (self::$_template_pack_collection->get_by_name($template) instanceof EE_Messages_Template_Pack) {
                     continue;
@@ -975,7 +975,7 @@ 
             }
 
             // setup classname.
-            $template_pack_class_name = 'EE_Messages_Template_Pack_' . str_replace(
+            $template_pack_class_name = 'EE_Messages_Template_Pack_'.str_replace(
                 ' ',
                 '_',
                 ucwords(
@@ -986,7 +986,7 @@ 
                     )
                 )
             );
-            if (! class_exists($template_pack_class_name)) {
+            if ( ! class_exists($template_pack_class_name)) {
                 continue;
             }
             self::$_template_pack_collection->add(new $template_pack_class_name());
@@ -1028,7 +1028,7 @@ 
         $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
         $messenger = $Message_Resource_Manager->valid_messenger($messenger_name);
         $message_type = $Message_Resource_Manager->valid_message_type($message_type_name);
-        if (! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type, $global)) {
+        if ( ! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type, $global)) {
             return array();
         }
         // whew made it this far!  Okay, let's go ahead and create the templates then
@@ -1048,13 +1048,13 @@ 
     protected static function _create_new_templates(EE_messenger $messenger, EE_message_type $message_type, $GRP_ID, $global)
     {
         // if we're creating a custom template then we don't need to use the defaults class
-        if (! $global) {
+        if ( ! $global) {
             return EEH_MSG_Template::_create_custom_template_group($messenger, $message_type, $GRP_ID);
         }
         /** @type EE_Messages_Template_Defaults $Message_Template_Defaults */
         $Message_Template_Defaults = EE_Registry::factory(
             'EE_Messages_Template_Defaults',
-            array( $messenger, $message_type, $GRP_ID )
+            array($messenger, $message_type, $GRP_ID)
         );
         // generate templates
         $success = $Message_Template_Defaults->create_new_templates();
@@ -1062,7 +1062,7 @@ 
         // if creating the template failed.  Then we should deactivate the related message_type for the messenger because
         // its not active if it doesn't have a template.  Note this is only happening for GLOBAL template creation
         // attempts.
-        if (! $success) {
+        if ( ! $success) {
             /** @var EE_Message_Resource_Manager $message_resource_manager */
             $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
             $message_resource_manager->deactivate_message_type_for_messenger($message_type->name, $messenger->name);
@@ -1097,7 +1097,7 @@ 
     private static function _create_custom_template_group(EE_messenger $messenger, EE_message_type $message_type, $GRP_ID)
     {
         // defaults
-        $success = array( 'GRP_ID' => null, 'MTP_context' => '' );
+        $success = array('GRP_ID' => null, 'MTP_context' => '');
         // get the template group to use as a template from the db.  If $GRP_ID is empty then we'll assume the base will be the global template matching the messenger and message type.
         $Message_Template_Group = empty($GRP_ID)
             ? EEM_Message_Template_Group::instance()->get_one(
@@ -1111,7 +1111,7 @@ 
             )
             : EEM_Message_Template_Group::instance()->get_one_by_ID($GRP_ID);
         // if we don't have a mtg at this point then we need to bail.
-        if (! $Message_Template_Group instanceof EE_Message_Template_Group) {
+        if ( ! $Message_Template_Group instanceof EE_Message_Template_Group) {
             EE_Error::add_error(
                 sprintf(
                     esc_html__(
@@ -1157,7 +1157,7 @@ 
         $success['template_name'] = $template_name;
         // add new message templates and add relation to.
         foreach ($message_templates as $message_template) {
-            if (! $message_template instanceof EE_Message_Template) {
+            if ( ! $message_template instanceof EE_Message_Template) {
                 continue;
             }
             $new_message_template = clone $message_template;
@@ -1236,7 +1236,7 @@ 
         $Message_Resource_Manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
         $messenger = $Message_Resource_Manager->valid_messenger($messenger_name);
         $message_type = $Message_Resource_Manager->valid_message_type($message_type_name);
-        if (! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type)) {
+        if ( ! EEH_MSG_Template::message_type_has_active_templates_for_messenger($messenger, $message_type)) {
             return array();
         }
 
@@ -1248,7 +1248,7 @@ 
                 if (in_array($field, $excluded_fields_for_messenger, true)) {
                     continue;
                 }
-                $template_fields[ $context ][ $field ] = $value;
+                $template_fields[$context][$field] = $value;
             }
         }
         if (empty($template_fields)) {

core/helpers/EEH_Autoloader.helper.php

Indentation +292 added lines, -292 removed lines

@@ -15,296 +15,296 @@
 {
 
 
-    /**
-     *    instance of the EE_System object
-     *
-     * @var    $_instance
-     * @access    private
-     */
-    private static $_instance = null;
-
-    /**
-    *   $_autoloaders
-    *   @var array $_autoloaders
-    *   @access     private
-    */
-    private static $_autoloaders;
-
-    /**
-     * set to "paths" to display autoloader class => path mappings
-     * set to "times" to display autoloader loading times
-     * set to "all" to display both
-     *
-     * @var string $debug
-     * @access    private
-     */
-    public static $debug = false;
-
-
-    /**
-     *    class constructor
-     *
-     * @access    private
-     * @return \EEH_Autoloader
-     * @throws Exception
-     */
-    private function __construct()
-    {
-        if (self::$_autoloaders === null) {
-            self::$_autoloaders = array();
-            $this->_register_custom_autoloaders();
-            spl_autoload_register(array( $this, 'espresso_autoloader' ));
-        }
-    }
-
-
-
-    /**
-     * @access public
-     * @return EEH_Autoloader
-     */
-    public static function instance()
-    {
-        // check if class object is instantiated
-        if (! self::$_instance instanceof EEH_Autoloader) {
-            self::$_instance = new self();
-        }
-        return self::$_instance;
-    }
-
-
-
-    /**
-     *    espresso_autoloader
-     *
-     * @access    public
-     * @param   $class_name
-     * @internal  param $className
-     * @internal  param string $class_name - simple class name ie: session
-     * @return  void
-     */
-    public static function espresso_autoloader($class_name)
-    {
-        if (isset(self::$_autoloaders[ $class_name ])) {
-            require_once(self::$_autoloaders[ $class_name ]);
-        }
-    }
-
-
-
-    /**
-     *    register_autoloader
-     *
-     * @access    public
-     * @param array | string $class_paths - array of key => value pairings between class names and paths
-     * @param bool           $read_check  true if we need to check whether the file is readable or not.
-     * @param bool           $debug **deprecated**
-     * @throws \EE_Error
-     */
-    public static function register_autoloader($class_paths, $read_check = true, $debug = false)
-    {
-        $class_paths = is_array($class_paths) ? $class_paths : array( $class_paths );
-        foreach ($class_paths as $class => $path) {
-            // skip all files that are not PHP
-            if (substr($path, strlen($path) - 3) !== 'php') {
-                continue;
-            }
-            // don't give up! you gotta...
-            // get some class
-            if (empty($class)) {
-                throw new EE_Error(sprintf(esc_html__('No Class name was specified while registering an autoloader for the following path: %s.', 'event_espresso'), $path));
-            }
-            // one day you will find the path young grasshopper
-            if (empty($path)) {
-                throw new EE_Error(sprintf(esc_html__('No path was specified while registering an autoloader for the %s class.', 'event_espresso'), $class));
-            }
-            // is file readable ?
-            if ($read_check && ! is_readable($path)) {
-                throw new EE_Error(sprintf(esc_html__('The file for the %s class could not be found or is not readable due to file permissions. Please ensure the following path is correct: %s', 'event_espresso'), $class, $path));
-            }
-            if (! isset(self::$_autoloaders[ $class ])) {
-                self::$_autoloaders[ $class ] = str_replace(array( '/', '\\' ), '/', $path);
-                if (EE_DEBUG && ( EEH_Autoloader::$debug === 'paths' || EEH_Autoloader::$debug === 'all' || $debug )) {
-                    EEH_Debug_Tools::printr(self::$_autoloaders[ $class ], $class, __FILE__, __LINE__);
-                }
-            }
-        }
-    }
-
-
-
-
-    /**
-     *  get_autoloaders
-     *
-     *  @access public
-     *  @return array
-     */
-    public static function get_autoloaders()
-    {
-        return self::$_autoloaders;
-    }
-
-
-    /**
-     *  register core, model and class 'autoloaders'
-     *
-     * @access private
-     * @return void
-     * @throws EE_Error
-     */
-    private function _register_custom_autoloaders()
-    {
-        EEH_Autoloader::$debug = '';
-        \EEH_Autoloader::register_helpers_autoloaders();
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE . 'interfaces');
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_INTERFACES, true);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_MODELS, true);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CLASSES);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_FORM_SECTIONS, true);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'messages');
-        if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all') {
-            EEH_Debug_Tools::instance()->show_times();
-        }
-    }
-
-
-
-    /**
-     *    register core, model and class 'autoloaders'
-     *
-     * @access public
-     */
-    public static function register_helpers_autoloaders()
-    {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_HELPERS);
-    }
-
-
-
-
-    /**
-     *  register core, model and class 'autoloaders'
-     *
-     *  @access public
-     *  @return void
-     */
-    public static function register_form_sections_autoloaders()
-    {
-        // EEH_Autoloader::register_autoloaders_for_each_file_in_folder( EE_FORM_SECTIONS, true );
-    }
-
-
-    /**
-     *  register core, model and class 'autoloaders'
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public static function register_line_item_display_autoloaders()
-    {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'line_item_display', true);
-    }
-
-
-    /**
-     *  register core, model and class 'autoloaders'
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public static function register_line_item_filter_autoloaders()
-    {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'line_item_filters', true);
-    }
-
-
-    /**
-     *  register template part 'autoloaders'
-     *
-     * @access public
-     * @return void
-     * @throws EE_Error
-     */
-    public static function register_template_part_autoloaders()
-    {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'template_parts', true);
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     */
-    public static function register_business_classes()
-    {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE . 'business');
-    }
-
-
-
-    /**
-     * Assumes all the files in this folder have the normal naming scheme (namely that their classname
-     * is the file's name, plus ".whatever.php".) and adds each of them to the autoloader list.
-     * If that's not the case, you'll need to improve this function or just use EEH_File::get_classname_from_filepath_with_standard_filename() directly.
-     * Yes this has to scan the directory for files, but it only does it once -- not on EACH
-     * time the autoloader is used
-     *
-     * @param string $folder name, with or without trailing /, doesn't matter
-     * @param bool   $recursive
-     * @param bool   $debug  **deprecated**
-     * @throws \EE_Error
-     */
-    public static function register_autoloaders_for_each_file_in_folder($folder, $recursive = false, $debug = false)
-    {
-        if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all' || $debug) {
-            EEH_Debug_Tools::instance()->start_timer(basename($folder));
-        }
-        // make sure last char is a /
-        $folder .= $folder[ strlen($folder) - 1 ] !== '/' ? '/' : '';
-        $class_to_filepath_map = array();
-        $exclude = array( 'index' );
-        // get all the files in that folder that end in php
-        $filepaths = glob($folder . '*');
-
-        if (empty($filepaths)) {
-            return;
-        }
-
-        foreach ($filepaths as $filepath) {
-            if (substr($filepath, -4, 4) === '.php') {
-                $class_name = EEH_File::get_classname_from_filepath_with_standard_filename($filepath);
-                if (! in_array($class_name, $exclude)) {
-                    $class_to_filepath_map [ $class_name ] = $filepath;
-                }
-            } elseif ($recursive) {
-                EEH_Autoloader::register_autoloaders_for_each_file_in_folder($filepath, $recursive, $debug);
-            }
-        }
-        // we remove the necessity to do a is_readable() check via the $read_check flag because glob by nature will not return non_readable files/directories.
-        self::register_autoloader($class_to_filepath_map, false, $debug);
-        if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all') {
-            EEH_Debug_Tools::instance()->stop_timer(basename($folder));
-        }
-    }
-
-
-
-    /**
-     * add_alias
-     * register additional autoloader based on variation of the classname for an existing autoloader
-     *
-     * @access    public
-     * @param string $class_name - simple class name ie: EE_Session
-     * @param string $alias - variation on class name ie: EE_session, session, etc
-     */
-    public static function add_alias($class_name, $alias)
-    {
-        if (isset(self::$_autoloaders[ $class_name ])) {
-            self::$_autoloaders[ $alias ] = self::$_autoloaders[ $class_name ];
-        }
-    }
+	/**
+	 *    instance of the EE_System object
+	 *
+	 * @var    $_instance
+	 * @access    private
+	 */
+	private static $_instance = null;
+
+	/**
+	 *   $_autoloaders
+	 *   @var array $_autoloaders
+	 *   @access     private
+	 */
+	private static $_autoloaders;
+
+	/**
+	 * set to "paths" to display autoloader class => path mappings
+	 * set to "times" to display autoloader loading times
+	 * set to "all" to display both
+	 *
+	 * @var string $debug
+	 * @access    private
+	 */
+	public static $debug = false;
+
+
+	/**
+	 *    class constructor
+	 *
+	 * @access    private
+	 * @return \EEH_Autoloader
+	 * @throws Exception
+	 */
+	private function __construct()
+	{
+		if (self::$_autoloaders === null) {
+			self::$_autoloaders = array();
+			$this->_register_custom_autoloaders();
+			spl_autoload_register(array( $this, 'espresso_autoloader' ));
+		}
+	}
+
+
+
+	/**
+	 * @access public
+	 * @return EEH_Autoloader
+	 */
+	public static function instance()
+	{
+		// check if class object is instantiated
+		if (! self::$_instance instanceof EEH_Autoloader) {
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+
+
+	/**
+	 *    espresso_autoloader
+	 *
+	 * @access    public
+	 * @param   $class_name
+	 * @internal  param $className
+	 * @internal  param string $class_name - simple class name ie: session
+	 * @return  void
+	 */
+	public static function espresso_autoloader($class_name)
+	{
+		if (isset(self::$_autoloaders[ $class_name ])) {
+			require_once(self::$_autoloaders[ $class_name ]);
+		}
+	}
+
+
+
+	/**
+	 *    register_autoloader
+	 *
+	 * @access    public
+	 * @param array | string $class_paths - array of key => value pairings between class names and paths
+	 * @param bool           $read_check  true if we need to check whether the file is readable or not.
+	 * @param bool           $debug **deprecated**
+	 * @throws \EE_Error
+	 */
+	public static function register_autoloader($class_paths, $read_check = true, $debug = false)
+	{
+		$class_paths = is_array($class_paths) ? $class_paths : array( $class_paths );
+		foreach ($class_paths as $class => $path) {
+			// skip all files that are not PHP
+			if (substr($path, strlen($path) - 3) !== 'php') {
+				continue;
+			}
+			// don't give up! you gotta...
+			// get some class
+			if (empty($class)) {
+				throw new EE_Error(sprintf(esc_html__('No Class name was specified while registering an autoloader for the following path: %s.', 'event_espresso'), $path));
+			}
+			// one day you will find the path young grasshopper
+			if (empty($path)) {
+				throw new EE_Error(sprintf(esc_html__('No path was specified while registering an autoloader for the %s class.', 'event_espresso'), $class));
+			}
+			// is file readable ?
+			if ($read_check && ! is_readable($path)) {
+				throw new EE_Error(sprintf(esc_html__('The file for the %s class could not be found or is not readable due to file permissions. Please ensure the following path is correct: %s', 'event_espresso'), $class, $path));
+			}
+			if (! isset(self::$_autoloaders[ $class ])) {
+				self::$_autoloaders[ $class ] = str_replace(array( '/', '\\' ), '/', $path);
+				if (EE_DEBUG && ( EEH_Autoloader::$debug === 'paths' || EEH_Autoloader::$debug === 'all' || $debug )) {
+					EEH_Debug_Tools::printr(self::$_autoloaders[ $class ], $class, __FILE__, __LINE__);
+				}
+			}
+		}
+	}
+
+
+
+
+	/**
+	 *  get_autoloaders
+	 *
+	 *  @access public
+	 *  @return array
+	 */
+	public static function get_autoloaders()
+	{
+		return self::$_autoloaders;
+	}
+
+
+	/**
+	 *  register core, model and class 'autoloaders'
+	 *
+	 * @access private
+	 * @return void
+	 * @throws EE_Error
+	 */
+	private function _register_custom_autoloaders()
+	{
+		EEH_Autoloader::$debug = '';
+		\EEH_Autoloader::register_helpers_autoloaders();
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE . 'interfaces');
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_INTERFACES, true);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_MODELS, true);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CLASSES);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_FORM_SECTIONS, true);
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'messages');
+		if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all') {
+			EEH_Debug_Tools::instance()->show_times();
+		}
+	}
+
+
+
+	/**
+	 *    register core, model and class 'autoloaders'
+	 *
+	 * @access public
+	 */
+	public static function register_helpers_autoloaders()
+	{
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_HELPERS);
+	}
+
+
+
+
+	/**
+	 *  register core, model and class 'autoloaders'
+	 *
+	 *  @access public
+	 *  @return void
+	 */
+	public static function register_form_sections_autoloaders()
+	{
+		// EEH_Autoloader::register_autoloaders_for_each_file_in_folder( EE_FORM_SECTIONS, true );
+	}
+
+
+	/**
+	 *  register core, model and class 'autoloaders'
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function register_line_item_display_autoloaders()
+	{
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'line_item_display', true);
+	}
+
+
+	/**
+	 *  register core, model and class 'autoloaders'
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function register_line_item_filter_autoloaders()
+	{
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'line_item_filters', true);
+	}
+
+
+	/**
+	 *  register template part 'autoloaders'
+	 *
+	 * @access public
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function register_template_part_autoloaders()
+	{
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'template_parts', true);
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function register_business_classes()
+	{
+		EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE . 'business');
+	}
+
+
+
+	/**
+	 * Assumes all the files in this folder have the normal naming scheme (namely that their classname
+	 * is the file's name, plus ".whatever.php".) and adds each of them to the autoloader list.
+	 * If that's not the case, you'll need to improve this function or just use EEH_File::get_classname_from_filepath_with_standard_filename() directly.
+	 * Yes this has to scan the directory for files, but it only does it once -- not on EACH
+	 * time the autoloader is used
+	 *
+	 * @param string $folder name, with or without trailing /, doesn't matter
+	 * @param bool   $recursive
+	 * @param bool   $debug  **deprecated**
+	 * @throws \EE_Error
+	 */
+	public static function register_autoloaders_for_each_file_in_folder($folder, $recursive = false, $debug = false)
+	{
+		if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all' || $debug) {
+			EEH_Debug_Tools::instance()->start_timer(basename($folder));
+		}
+		// make sure last char is a /
+		$folder .= $folder[ strlen($folder) - 1 ] !== '/' ? '/' : '';
+		$class_to_filepath_map = array();
+		$exclude = array( 'index' );
+		// get all the files in that folder that end in php
+		$filepaths = glob($folder . '*');
+
+		if (empty($filepaths)) {
+			return;
+		}
+
+		foreach ($filepaths as $filepath) {
+			if (substr($filepath, -4, 4) === '.php') {
+				$class_name = EEH_File::get_classname_from_filepath_with_standard_filename($filepath);
+				if (! in_array($class_name, $exclude)) {
+					$class_to_filepath_map [ $class_name ] = $filepath;
+				}
+			} elseif ($recursive) {
+				EEH_Autoloader::register_autoloaders_for_each_file_in_folder($filepath, $recursive, $debug);
+			}
+		}
+		// we remove the necessity to do a is_readable() check via the $read_check flag because glob by nature will not return non_readable files/directories.
+		self::register_autoloader($class_to_filepath_map, false, $debug);
+		if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all') {
+			EEH_Debug_Tools::instance()->stop_timer(basename($folder));
+		}
+	}
+
+
+
+	/**
+	 * add_alias
+	 * register additional autoloader based on variation of the classname for an existing autoloader
+	 *
+	 * @access    public
+	 * @param string $class_name - simple class name ie: EE_Session
+	 * @param string $alias - variation on class name ie: EE_session, session, etc
+	 */
+	public static function add_alias($class_name, $alias)
+	{
+		if (isset(self::$_autoloaders[ $class_name ])) {
+			self::$_autoloaders[ $alias ] = self::$_autoloaders[ $class_name ];
+		}
+	}
 }

Spacing +22 added lines, -22 removed lines

@@ -53,7 +53,7 @@ 
         if (self::$_autoloaders === null) {
             self::$_autoloaders = array();
             $this->_register_custom_autoloaders();
-            spl_autoload_register(array( $this, 'espresso_autoloader' ));
+            spl_autoload_register(array($this, 'espresso_autoloader'));
         }
     }
 
@@ -66,7 +66,7 @@ 
     public static function instance()
     {
         // check if class object is instantiated
-        if (! self::$_instance instanceof EEH_Autoloader) {
+        if ( ! self::$_instance instanceof EEH_Autoloader) {
             self::$_instance = new self();
         }
         return self::$_instance;
@@ -85,8 +85,8 @@ 
      */
     public static function espresso_autoloader($class_name)
     {
-        if (isset(self::$_autoloaders[ $class_name ])) {
-            require_once(self::$_autoloaders[ $class_name ]);
+        if (isset(self::$_autoloaders[$class_name])) {
+            require_once(self::$_autoloaders[$class_name]);
         }
     }
 
@@ -103,7 +103,7 @@ 
      */
     public static function register_autoloader($class_paths, $read_check = true, $debug = false)
     {
-        $class_paths = is_array($class_paths) ? $class_paths : array( $class_paths );
+        $class_paths = is_array($class_paths) ? $class_paths : array($class_paths);
         foreach ($class_paths as $class => $path) {
             // skip all files that are not PHP
             if (substr($path, strlen($path) - 3) !== 'php') {
@@ -122,10 +122,10 @@ 
             if ($read_check && ! is_readable($path)) {
                 throw new EE_Error(sprintf(esc_html__('The file for the %s class could not be found or is not readable due to file permissions. Please ensure the following path is correct: %s', 'event_espresso'), $class, $path));
             }
-            if (! isset(self::$_autoloaders[ $class ])) {
-                self::$_autoloaders[ $class ] = str_replace(array( '/', '\\' ), '/', $path);
-                if (EE_DEBUG && ( EEH_Autoloader::$debug === 'paths' || EEH_Autoloader::$debug === 'all' || $debug )) {
-                    EEH_Debug_Tools::printr(self::$_autoloaders[ $class ], $class, __FILE__, __LINE__);
+            if ( ! isset(self::$_autoloaders[$class])) {
+                self::$_autoloaders[$class] = str_replace(array('/', '\\'), '/', $path);
+                if (EE_DEBUG && (EEH_Autoloader::$debug === 'paths' || EEH_Autoloader::$debug === 'all' || $debug)) {
+                    EEH_Debug_Tools::printr(self::$_autoloaders[$class], $class, __FILE__, __LINE__);
                 }
             }
         }
@@ -157,13 +157,13 @@ 
     {
         EEH_Autoloader::$debug = '';
         \EEH_Autoloader::register_helpers_autoloaders();
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE . 'interfaces');
+        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE.'interfaces');
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE);
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_INTERFACES, true);
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_MODELS, true);
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CLASSES);
         EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_FORM_SECTIONS, true);
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'messages');
+        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES.'messages');
         if (EEH_Autoloader::$debug === 'times' || EEH_Autoloader::$debug === 'all') {
             EEH_Debug_Tools::instance()->show_times();
         }
@@ -205,7 +205,7 @@ 
      */
     public static function register_line_item_display_autoloaders()
     {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'line_item_display', true);
+        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES.'line_item_display', true);
     }
 
 
@@ -218,7 +218,7 @@ 
      */
     public static function register_line_item_filter_autoloaders()
     {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'line_item_filters', true);
+        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES.'line_item_filters', true);
     }
 
 
@@ -231,7 +231,7 @@ 
      */
     public static function register_template_part_autoloaders()
     {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES . 'template_parts', true);
+        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_LIBRARIES.'template_parts', true);
     }
 
 
@@ -241,7 +241,7 @@ 
      */
     public static function register_business_classes()
     {
-        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE . 'business');
+        EEH_Autoloader::register_autoloaders_for_each_file_in_folder(EE_CORE.'business');
     }
 
 
@@ -264,11 +264,11 @@ 
             EEH_Debug_Tools::instance()->start_timer(basename($folder));
         }
         // make sure last char is a /
-        $folder .= $folder[ strlen($folder) - 1 ] !== '/' ? '/' : '';
+        $folder .= $folder[strlen($folder) - 1] !== '/' ? '/' : '';
         $class_to_filepath_map = array();
-        $exclude = array( 'index' );
+        $exclude = array('index');
         // get all the files in that folder that end in php
-        $filepaths = glob($folder . '*');
+        $filepaths = glob($folder.'*');
 
         if (empty($filepaths)) {
             return;
@@ -277,8 +277,8 @@ 
         foreach ($filepaths as $filepath) {
             if (substr($filepath, -4, 4) === '.php') {
                 $class_name = EEH_File::get_classname_from_filepath_with_standard_filename($filepath);
-                if (! in_array($class_name, $exclude)) {
-                    $class_to_filepath_map [ $class_name ] = $filepath;
+                if ( ! in_array($class_name, $exclude)) {
+                    $class_to_filepath_map [$class_name] = $filepath;
                 }
             } elseif ($recursive) {
                 EEH_Autoloader::register_autoloaders_for_each_file_in_folder($filepath, $recursive, $debug);
@@ -303,8 +303,8 @@ 
      */
     public static function add_alias($class_name, $alias)
     {
-        if (isset(self::$_autoloaders[ $class_name ])) {
-            self::$_autoloaders[ $alias ] = self::$_autoloaders[ $class_name ];
+        if (isset(self::$_autoloaders[$class_name])) {
+            self::$_autoloaders[$alias] = self::$_autoloaders[$class_name];
         }
     }
 }

core/helpers/EEH_Activation.helper.php

Indentation +1588 added lines, -1588 removed lines

@@ -17,237 +17,237 @@ 
 class EEH_Activation implements ResettableInterface
 {
 
-    /**
-     * constant used to indicate a cron task is no longer in use
-     */
-    const cron_task_no_longer_in_use = 'no_longer_in_use';
-
-    /**
-     * WP_User->ID
-     *
-     * @var int
-     */
-    private static $_default_creator_id;
-
-    /**
-     * indicates whether or not we've already verified core's default data during this request,
-     * because after migrations are done, any addons activated while in maintenance mode
-     * will want to setup their own default data, and they might hook into core's default data
-     * and trigger core to setup its default data. In which case they might all ask for core to init its default data.
-     * This prevents doing that for EVERY single addon.
-     *
-     * @var boolean
-     */
-    protected static $_initialized_db_content_already_in_this_request = false;
-
-    /**
-     * @var TableAnalysis $table_analysis
-     */
-    private static $table_analysis;
-
-    /**
-     * @var TableManager $table_manager
-     */
-    private static $table_manager;
-
-
-    /**
-     * @return TableAnalysis
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function getTableAnalysis()
-    {
-        if (! self::$table_analysis instanceof TableAnalysis) {
-            self::$table_analysis = EE_Registry::instance()->create('TableAnalysis', [], true);
-        }
-        return self::$table_analysis;
-    }
-
-
-    /**
-     * @return TableManager
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function getTableManager()
-    {
-        if (! self::$table_manager instanceof TableManager) {
-            self::$table_manager = EE_Registry::instance()->create('TableManager', [], true);
-        }
-        return self::$table_manager;
-    }
-
-
-    /**
-     * @param $table_name
-     * @return string
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated instead use TableAnalysis::ensureTableNameHasPrefix()
-     */
-    public static function ensure_table_name_has_prefix($table_name)
-    {
-        return EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix($table_name);
-    }
-
-
-    /**
-     * ensures the EE configuration settings are loaded with at least default options set
-     * and that all critical EE pages have been generated with the appropriate shortcodes in place
-     *
-     * @return void
-     */
-    public static function system_initialization()
-    {
-        EEH_Activation::reset_and_update_config();
-        // which is fired BEFORE activation of plugin anyways
-        EEH_Activation::verify_default_pages_exist();
-    }
-
-
-    /**
-     * Sets the database schema and creates folders. This should
-     * be called on plugin activation and reactivation
-     *
-     * @return boolean success, whether the database and folders are setup properly
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function initialize_db_and_folders()
-    {
-        return EEH_Activation::create_database_tables();
-    }
-
-
-    /**
-     * assuming we have an up-to-date database schema, this will populate it
-     * with default and initial data. This should be called
-     * upon activation of a new plugin, reactivation, and at the end
-     * of running migration scripts
-     *
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function initialize_db_content()
-    {
-        // let's avoid doing all this logic repeatedly, especially when addons are requesting it
-        if (EEH_Activation::$_initialized_db_content_already_in_this_request) {
-            return;
-        }
-        EEH_Activation::$_initialized_db_content_already_in_this_request = true;
-
-        EEH_Activation::initialize_system_questions();
-        EEH_Activation::insert_default_status_codes();
-        EEH_Activation::generate_default_message_templates();
-        EEH_Activation::create_no_ticket_prices_array();
-        EEH_Activation::removeEmailConfirmFromAddressGroup();
-
-        EEH_Activation::validate_messages_system();
-        EEH_Activation::insert_default_payment_methods();
-        // in case we've
-        EEH_Activation::remove_cron_tasks();
-        EEH_Activation::create_cron_tasks();
-        // remove all TXN locks since that is being done via extra meta now
-        delete_option('ee_locked_transactions');
-        // also, check for CAF default db content
-        do_action('AHEE__EEH_Activation__initialize_db_content');
-        // also: EEM_Gateways::load_all_gateways() outputs a lot of success messages
-        // which users really won't care about on initial activation
-        EE_Error::overwrite_success();
-    }
-
-
-    /**
-     * Returns an array of cron tasks. Array values are the actions fired by the cron tasks (the "hooks"),
-     * values are the frequency (the "recurrence"). See http://codex.wordpress.org/Function_Reference/wp_schedule_event
-     * If the cron task should NO longer be used, it should have a value of EEH_Activation::cron_task_no_longer_in_use
-     * (null)
-     *
-     * @param string $which_to_include can be 'current' (ones that are currently in use),
-     *                                 'old' (only returns ones that should no longer be used),or 'all',
-     * @return array
-     * @throws EE_Error
-     */
-    public static function get_cron_tasks($which_to_include)
-    {
-        $cron_tasks = apply_filters(
-            'FHEE__EEH_Activation__get_cron_tasks',
-            [
-                'AHEE__EE_Cron_Tasks__clean_up_junk_transactions'      => 'hourly',
-                // 'AHEE__EE_Cron_Tasks__finalize_abandoned_transactions' =>
-                // EEH_Activation::cron_task_no_longer_in_use, actually this is still in use
-                'AHEE__EE_Cron_Tasks__update_transaction_with_payment' => EEH_Activation::cron_task_no_longer_in_use,
-                // there may have been a bug which prevented from these cron tasks from getting unscheduled,
-                // so we might want to remove these for a few updates
-                'AHEE_EE_Cron_Tasks__clean_out_old_gateway_logs'       => 'daily',
-            ]
-        );
-        if ($which_to_include === 'old') {
-            $cron_tasks = array_filter(
-                $cron_tasks,
-                function ($value) {
-                    return $value === EEH_Activation::cron_task_no_longer_in_use;
-                }
-            );
-        } elseif ($which_to_include === 'current') {
-            $cron_tasks = array_filter($cron_tasks);
-        } elseif (WP_DEBUG && $which_to_include !== 'all') {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Invalid argument of "%1$s" passed to EEH_Activation::get_cron_tasks. Valid values are "all", "old" and "current".',
-                        'event_espresso'
-                    ),
-                    $which_to_include
-                )
-            );
-        }
-        return $cron_tasks;
-    }
-
-
-    /**
-     * Ensure cron tasks are setup (the removal of crons should be done by remove_crons())
-     *
-     * @throws EE_Error
-     */
-    public static function create_cron_tasks()
-    {
-
-        foreach (EEH_Activation::get_cron_tasks('current') as $hook_name => $frequency) {
-            if (! wp_next_scheduled($hook_name)) {
-                /**
-                 * This allows client code to define the initial start timestamp for this schedule.
-                 */
-                if (
-                    is_array($frequency)
-                    && count($frequency) === 2
-                    && isset($frequency[0], $frequency[1])
-                ) {
-                    $start_timestamp = $frequency[0];
-                    $frequency       = $frequency[1];
-                } else {
-                    $start_timestamp = time();
-                }
-                wp_schedule_event($start_timestamp, $frequency, $hook_name);
-            }
-        }
-    }
-
-
-    /**
-     * Remove the currently-existing and now-removed cron tasks.
-     *
-     * @param boolean $remove_all whether to only remove the old ones, or remove absolutely ALL the EE ones
-     * @throws EE_Error
-     */
-    public static function remove_cron_tasks($remove_all = true)
-    {
-        $cron_tasks_to_remove = $remove_all ? 'all' : 'old';
-        $crons                = _get_cron_array();
-        $crons                = is_array($crons) ? $crons : [];
-        /* reminder of what $crons look like:
+	/**
+	 * constant used to indicate a cron task is no longer in use
+	 */
+	const cron_task_no_longer_in_use = 'no_longer_in_use';
+
+	/**
+	 * WP_User->ID
+	 *
+	 * @var int
+	 */
+	private static $_default_creator_id;
+
+	/**
+	 * indicates whether or not we've already verified core's default data during this request,
+	 * because after migrations are done, any addons activated while in maintenance mode
+	 * will want to setup their own default data, and they might hook into core's default data
+	 * and trigger core to setup its default data. In which case they might all ask for core to init its default data.
+	 * This prevents doing that for EVERY single addon.
+	 *
+	 * @var boolean
+	 */
+	protected static $_initialized_db_content_already_in_this_request = false;
+
+	/**
+	 * @var TableAnalysis $table_analysis
+	 */
+	private static $table_analysis;
+
+	/**
+	 * @var TableManager $table_manager
+	 */
+	private static $table_manager;
+
+
+	/**
+	 * @return TableAnalysis
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function getTableAnalysis()
+	{
+		if (! self::$table_analysis instanceof TableAnalysis) {
+			self::$table_analysis = EE_Registry::instance()->create('TableAnalysis', [], true);
+		}
+		return self::$table_analysis;
+	}
+
+
+	/**
+	 * @return TableManager
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function getTableManager()
+	{
+		if (! self::$table_manager instanceof TableManager) {
+			self::$table_manager = EE_Registry::instance()->create('TableManager', [], true);
+		}
+		return self::$table_manager;
+	}
+
+
+	/**
+	 * @param $table_name
+	 * @return string
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated instead use TableAnalysis::ensureTableNameHasPrefix()
+	 */
+	public static function ensure_table_name_has_prefix($table_name)
+	{
+		return EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix($table_name);
+	}
+
+
+	/**
+	 * ensures the EE configuration settings are loaded with at least default options set
+	 * and that all critical EE pages have been generated with the appropriate shortcodes in place
+	 *
+	 * @return void
+	 */
+	public static function system_initialization()
+	{
+		EEH_Activation::reset_and_update_config();
+		// which is fired BEFORE activation of plugin anyways
+		EEH_Activation::verify_default_pages_exist();
+	}
+
+
+	/**
+	 * Sets the database schema and creates folders. This should
+	 * be called on plugin activation and reactivation
+	 *
+	 * @return boolean success, whether the database and folders are setup properly
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function initialize_db_and_folders()
+	{
+		return EEH_Activation::create_database_tables();
+	}
+
+
+	/**
+	 * assuming we have an up-to-date database schema, this will populate it
+	 * with default and initial data. This should be called
+	 * upon activation of a new plugin, reactivation, and at the end
+	 * of running migration scripts
+	 *
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function initialize_db_content()
+	{
+		// let's avoid doing all this logic repeatedly, especially when addons are requesting it
+		if (EEH_Activation::$_initialized_db_content_already_in_this_request) {
+			return;
+		}
+		EEH_Activation::$_initialized_db_content_already_in_this_request = true;
+
+		EEH_Activation::initialize_system_questions();
+		EEH_Activation::insert_default_status_codes();
+		EEH_Activation::generate_default_message_templates();
+		EEH_Activation::create_no_ticket_prices_array();
+		EEH_Activation::removeEmailConfirmFromAddressGroup();
+
+		EEH_Activation::validate_messages_system();
+		EEH_Activation::insert_default_payment_methods();
+		// in case we've
+		EEH_Activation::remove_cron_tasks();
+		EEH_Activation::create_cron_tasks();
+		// remove all TXN locks since that is being done via extra meta now
+		delete_option('ee_locked_transactions');
+		// also, check for CAF default db content
+		do_action('AHEE__EEH_Activation__initialize_db_content');
+		// also: EEM_Gateways::load_all_gateways() outputs a lot of success messages
+		// which users really won't care about on initial activation
+		EE_Error::overwrite_success();
+	}
+
+
+	/**
+	 * Returns an array of cron tasks. Array values are the actions fired by the cron tasks (the "hooks"),
+	 * values are the frequency (the "recurrence"). See http://codex.wordpress.org/Function_Reference/wp_schedule_event
+	 * If the cron task should NO longer be used, it should have a value of EEH_Activation::cron_task_no_longer_in_use
+	 * (null)
+	 *
+	 * @param string $which_to_include can be 'current' (ones that are currently in use),
+	 *                                 'old' (only returns ones that should no longer be used),or 'all',
+	 * @return array
+	 * @throws EE_Error
+	 */
+	public static function get_cron_tasks($which_to_include)
+	{
+		$cron_tasks = apply_filters(
+			'FHEE__EEH_Activation__get_cron_tasks',
+			[
+				'AHEE__EE_Cron_Tasks__clean_up_junk_transactions'      => 'hourly',
+				// 'AHEE__EE_Cron_Tasks__finalize_abandoned_transactions' =>
+				// EEH_Activation::cron_task_no_longer_in_use, actually this is still in use
+				'AHEE__EE_Cron_Tasks__update_transaction_with_payment' => EEH_Activation::cron_task_no_longer_in_use,
+				// there may have been a bug which prevented from these cron tasks from getting unscheduled,
+				// so we might want to remove these for a few updates
+				'AHEE_EE_Cron_Tasks__clean_out_old_gateway_logs'       => 'daily',
+			]
+		);
+		if ($which_to_include === 'old') {
+			$cron_tasks = array_filter(
+				$cron_tasks,
+				function ($value) {
+					return $value === EEH_Activation::cron_task_no_longer_in_use;
+				}
+			);
+		} elseif ($which_to_include === 'current') {
+			$cron_tasks = array_filter($cron_tasks);
+		} elseif (WP_DEBUG && $which_to_include !== 'all') {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Invalid argument of "%1$s" passed to EEH_Activation::get_cron_tasks. Valid values are "all", "old" and "current".',
+						'event_espresso'
+					),
+					$which_to_include
+				)
+			);
+		}
+		return $cron_tasks;
+	}
+
+
+	/**
+	 * Ensure cron tasks are setup (the removal of crons should be done by remove_crons())
+	 *
+	 * @throws EE_Error
+	 */
+	public static function create_cron_tasks()
+	{
+
+		foreach (EEH_Activation::get_cron_tasks('current') as $hook_name => $frequency) {
+			if (! wp_next_scheduled($hook_name)) {
+				/**
+				 * This allows client code to define the initial start timestamp for this schedule.
+				 */
+				if (
+					is_array($frequency)
+					&& count($frequency) === 2
+					&& isset($frequency[0], $frequency[1])
+				) {
+					$start_timestamp = $frequency[0];
+					$frequency       = $frequency[1];
+				} else {
+					$start_timestamp = time();
+				}
+				wp_schedule_event($start_timestamp, $frequency, $hook_name);
+			}
+		}
+	}
+
+
+	/**
+	 * Remove the currently-existing and now-removed cron tasks.
+	 *
+	 * @param boolean $remove_all whether to only remove the old ones, or remove absolutely ALL the EE ones
+	 * @throws EE_Error
+	 */
+	public static function remove_cron_tasks($remove_all = true)
+	{
+		$cron_tasks_to_remove = $remove_all ? 'all' : 'old';
+		$crons                = _get_cron_array();
+		$crons                = is_array($crons) ? $crons : [];
+		/* reminder of what $crons look like:
          * Top-level keys are timestamps, and their values are arrays.
          * The 2nd level arrays have keys with each of the cron task hook names to run at that time
          * and their values are arrays.
@@ -264,893 +264,893 @@ 
          *                  ...
          *      ...
          */
-        $ee_cron_tasks_to_remove = EEH_Activation::get_cron_tasks($cron_tasks_to_remove);
-        foreach ($crons as $timestamp => $hooks_to_fire_at_time) {
-            if (is_array($hooks_to_fire_at_time)) {
-                foreach ($hooks_to_fire_at_time as $hook_name => $hook_actions) {
-                    if (
-                        isset($ee_cron_tasks_to_remove[ $hook_name ])
-                        && is_array($ee_cron_tasks_to_remove[ $hook_name ])
-                    ) {
-                        unset($crons[ $timestamp ][ $hook_name ]);
-                    }
-                }
-                // also take care of any empty cron timestamps.
-                if (empty($hooks_to_fire_at_time)) {
-                    unset($crons[ $timestamp ]);
-                }
-            }
-        }
-        _set_cron_array($crons);
-    }
-
-
-    /**
-     * registers all EE CPTs ( Custom Post Types ) then flushes rewrite rules so that all endpoints exist
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function CPT_initialization()
-    {
-        // register Custom Post Types
-        EE_Registry::instance()->load_core('Register_CPTs');
-        flush_rewrite_rules();
-    }
-
-
-    /**
-     * The following code was moved over from EE_Config so that it will no longer run on every request.
-     * If there is old calendar config data saved, then it will get converted on activation.
-     * This was basically a DMS before we had DMS's, and will get removed after a few more versions.
-     *
-     * @return void
-     */
-    public static function reset_and_update_config()
-    {
-        do_action('AHEE__EE_Config___load_core_config__start', ['EEH_Activation', 'load_calendar_config']);
-        add_filter(
-            'FHEE__EE_Config___load_core_config__config_settings',
-            ['EEH_Activation', 'migrate_old_config_data'],
-            10,
-            3
-        );
-        if (! EE_Config::logging_enabled()) {
-            delete_option(EE_Config::LOG_NAME);
-        }
-    }
-
-
-    /**
-     * @return    void
-     */
-    public static function load_calendar_config()
-    {
-        // grab array of all plugin folders and loop thru it
-        $plugins = glob(WP_PLUGIN_DIR . '/*', GLOB_ONLYDIR);
-        if (empty($plugins)) {
-            return;
-        }
-        foreach ($plugins as $plugin_path) {
-            // grab plugin folder name from path
-            $plugin = basename($plugin_path);
-            // drill down to Espresso plugins
-            // then to calendar related plugins
-            if (
-                strpos($plugin, 'espresso') !== false
-                || strpos($plugin, 'Espresso') !== false
-                || strpos($plugin, 'ee4') !== false
-                || strpos($plugin, 'EE4') !== false
-                || strpos($plugin, 'calendar') !== false
-            ) {
-                // this is what we are looking for
-                $calendar_config = $plugin_path . '/EE_Calendar_Config.php';
-                // does it exist in this folder ?
-                if (is_readable($calendar_config)) {
-                    // YEAH! let's load it
-                    require_once($calendar_config);
-                }
-            }
-        }
-    }
-
-
-    /**
-     * @param array|stdClass $settings
-     * @param string         $config
-     * @param EE_Config      $EE_Config
-     * @return stdClass
-     */
-    public static function migrate_old_config_data($settings = [], $config = '', EE_Config $EE_Config)
-    {
-        $convert_from_array = ['addons'];
-        // in case old settings were saved as an array
-        if (is_array($settings) && in_array($config, $convert_from_array)) {
-            // convert existing settings to an object
-            $config_array = $settings;
-            $settings     = new stdClass();
-            foreach ($config_array as $key => $value) {
-                if ($key === 'calendar' && class_exists('EE_Calendar_Config')) {
-                    $EE_Config->set_config('addons', 'EE_Calendar', 'EE_Calendar_Config', $value);
-                } else {
-                    $settings->{$key} = $value;
-                }
-            }
-            add_filter('FHEE__EE_Config___load_core_config__update_espresso_config', '__return_true');
-        }
-        return $settings;
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function deactivate_event_espresso()
-    {
-        // check permissions
-        if (current_user_can('activate_plugins')) {
-            deactivate_plugins(EE_PLUGIN_BASENAME, true);
-        }
-    }
-
-
-    /**
-     * @return void
-     * @throws InvalidDataTypeException
-     */
-    public static function verify_default_pages_exist()
-    {
-        $critical_page_problem = false;
-        $critical_pages        = [
-            [
-                'id'   => 'reg_page_id',
-                'name' => esc_html__('Registration Checkout', 'event_espresso'),
-                'post' => null,
-                'code' => 'ESPRESSO_CHECKOUT',
-            ],
-            [
-                'id'   => 'txn_page_id',
-                'name' => esc_html__('Transactions', 'event_espresso'),
-                'post' => null,
-                'code' => 'ESPRESSO_TXN_PAGE',
-            ],
-            [
-                'id'   => 'thank_you_page_id',
-                'name' => esc_html__('Thank You', 'event_espresso'),
-                'post' => null,
-                'code' => 'ESPRESSO_THANK_YOU',
-            ],
-            [
-                'id'   => 'cancel_page_id',
-                'name' => esc_html__('Registration Cancelled', 'event_espresso'),
-                'post' => null,
-                'code' => 'ESPRESSO_CANCELLED',
-            ],
-        ];
-        $EE_Core_Config        = EE_Registry::instance()->CFG->core;
-        foreach ($critical_pages as $critical_page) {
-            // is critical page ID set in config ?
-            if ($EE_Core_Config->{$critical_page['id']} !== false) {
-                // attempt to find post by ID
-                $critical_page['post'] = get_post($EE_Core_Config->{$critical_page['id']});
-            }
-            // no dice?
-            if ($critical_page['post'] === null) {
-                // attempt to find post by title
-                $critical_page['post'] = self::get_page_by_ee_shortcode($critical_page['code']);
-                // still nothing?
-                if ($critical_page['post'] === null) {
-                    $critical_page = EEH_Activation::create_critical_page($critical_page);
-                    // REALLY? Still nothing ??!?!?
-                    if ($critical_page['post'] === null) {
-                        $msg = esc_html__(
-                            'The Event Espresso critical page configuration settings could not be updated.',
-                            'event_espresso'
-                        );
-                        EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-                        break;
-                    }
-                }
-            }
-            // check that Post ID matches critical page ID in config
-            if (
-                isset($critical_page['post']->ID)
-                && $critical_page['post']->ID !== $EE_Core_Config->{$critical_page['id']}
-            ) {
-                // update Config with post ID
-                $EE_Core_Config->{$critical_page['id']} = $critical_page['post']->ID;
-                if (! EE_Config::instance()->update_espresso_config(false, false)) {
-                    $msg = esc_html__(
-                        'The Event Espresso critical page configuration settings could not be updated.',
-                        'event_espresso'
-                    );
-                    EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-                }
-            }
-            $critical_page_problem =
-                ! isset($critical_page['post']->post_status)
-                || $critical_page['post']->post_status !== 'publish'
-                || strpos($critical_page['post']->post_content, $critical_page['code']) === false
-                    ? true
-                    : $critical_page_problem;
-        }
-        if ($critical_page_problem) {
-            new PersistentAdminNotice(
-                'critical_page_problem',
-                sprintf(
-                    esc_html__(
-                        'A potential issue has been detected with one or more of your Event Espresso pages. Go to %s to view your Event Espresso pages.',
-                        'event_espresso'
-                    ),
-                    '<a href="' . admin_url('admin.php?page=espresso_general_settings&action=critical_pages') . '">'
-                    . esc_html__('Event Espresso Critical Pages Settings', 'event_espresso')
-                    . '</a>'
-                )
-            );
-        }
-        if (EE_Error::has_notices()) {
-            EE_Error::get_notices(false, true);
-        }
-    }
-
-
-    /**
-     * Returns the first post which uses the specified shortcode
-     *
-     * @param string $ee_shortcode usually one of the critical pages shortcodes, eg
-     *                             ESPRESSO_THANK_YOU. So we will search fora post with the content
-     *                             "[ESPRESSO_THANK_YOU"
-     *                             (we don't search for the closing shortcode bracket because they might have added
-     *                             parameter to the shortcode
-     * @return WP_Post or NULl
-     */
-    public static function get_page_by_ee_shortcode($ee_shortcode)
-    {
-        global $wpdb;
-        $shortcode_and_opening_bracket = '[' . $ee_shortcode;
-        $post_id                       =
-            $wpdb->get_var("SELECT ID FROM {$wpdb->posts} WHERE post_content LIKE '%$shortcode_and_opening_bracket%' LIMIT 1");
-        if ($post_id) {
-            return get_post($post_id);
-        } else {
-            return null;
-        }
-    }
-
-
-    /**
-     * This function generates a post for critical espresso pages
-     *
-     * @param array $critical_page
-     * @return array
-     */
-    public static function create_critical_page($critical_page)
-    {
-
-        $post_args = [
-            'post_title'     => $critical_page['name'],
-            'post_status'    => 'publish',
-            'post_type'      => 'page',
-            'comment_status' => 'closed',
-            'post_content'   => '[' . $critical_page['code'] . ']',
-        ];
-
-        $post_id = wp_insert_post($post_args);
-        if (! $post_id) {
-            $msg = sprintf(
-                esc_html__('The Event Espresso  critical page entitled "%s" could not be created.', 'event_espresso'),
-                $critical_page['name']
-            );
-            EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-            return $critical_page;
-        }
-        // get newly created post's details
-        if (! $critical_page['post'] = get_post($post_id)) {
-            $msg = sprintf(
-                esc_html__('The Event Espresso critical page entitled "%s" could not be retrieved.', 'event_espresso'),
-                $critical_page['name']
-            );
-            EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
-        }
-
-        return $critical_page;
-    }
-
-
-    /**
-     * Tries to find the oldest admin for this site.  If there are no admins for this site then return NULL.
-     * The role being used to check is filterable.
-     *
-     * @return int|null WP_user ID or NULL
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since  4.6.0
-     * @global WPDB $wpdb
-     */
-    public static function get_default_creator_id()
-    {
-        global $wpdb;
-        if (! empty(self::$_default_creator_id)) {
-            return self::$_default_creator_id;
-        }/**/
-        $role_to_check = apply_filters('FHEE__EEH_Activation__get_default_creator_id__role_to_check', 'administrator');
-        // let's allow pre_filtering for early exits by alternative methods for getting id.  We check for truthy result and if so then exit early.
-        $pre_filtered_id = apply_filters(
-            'FHEE__EEH_Activation__get_default_creator_id__pre_filtered_id',
-            false,
-            $role_to_check
-        );
-        if ($pre_filtered_id !== false) {
-            return (int) $pre_filtered_id;
-        }
-        $capabilities_key = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('capabilities');
-        $query            = $wpdb->prepare(
-            "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$capabilities_key' AND meta_value LIKE %s ORDER BY user_id ASC LIMIT 0,1",
-            '%' . $role_to_check . '%'
-        );
-        $user_id          = $wpdb->get_var($query);
-        $user_id          = apply_filters('FHEE__EEH_Activation_Helper__get_default_creator_id__user_id', $user_id);
-        if ($user_id && (int) $user_id) {
-            self::$_default_creator_id = (int) $user_id;
-            return self::$_default_creator_id;
-        } else {
-            return null;
-        }
-    }
-
-
-    /**
-     * used by EE and EE addons during plugin activation to create tables.
-     * Its a wrapper for EventEspresso\core\services\database\TableManager::createTable,
-     * but includes extra logic regarding activations.
-     *
-     * @param string  $table_name              without the $wpdb->prefix
-     * @param string  $sql                     SQL for creating the table (contents between brackets in an SQL create
-     *                                         table query)
-     * @param string  $engine                  like 'ENGINE=MyISAM' or 'ENGINE=InnoDB'
-     * @param boolean $drop_pre_existing_table set to TRUE when you want to make SURE the table is completely empty
-     *                                         and new once this function is done (ie, you really do want to CREATE a
-     *                                         table, and expect it to be empty once you're done) leave as FALSE when
-     *                                         you just want to verify the table exists and matches this definition
-     *                                         (and if it HAS data in it you want to leave it be)
-     * @return void
-     * @throws EE_Error if there are database errors
-     * @throws ReflectionException
-     */
-    public static function create_table($table_name, $sql, $engine = 'ENGINE=MyISAM ', $drop_pre_existing_table = false)
-    {
-        if (apply_filters('FHEE__EEH_Activation__create_table__short_circuit', false, $table_name, $sql)) {
-            return;
-        }
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (! function_exists('dbDelta')) {
-            require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
-        }
-        $tableAnalysis = EEH_Activation::getTableAnalysis();
-        $wp_table_name = $tableAnalysis->ensureTableNameHasPrefix($table_name);
-        // do we need to first delete an existing version of this table ?
-        if ($drop_pre_existing_table && $tableAnalysis->tableExists($wp_table_name)) {
-            // ok, delete the table... but ONLY if it's empty
-            $deleted_safely = EEH_Activation::delete_db_table_if_empty($wp_table_name);
-            // table is NOT empty, are you SURE you want to delete this table ???
-            if (! $deleted_safely && defined('EE_DROP_BAD_TABLES') && EE_DROP_BAD_TABLES) {
-                EEH_Activation::getTableManager()->dropTable($wp_table_name);
-            } elseif (! $deleted_safely) {
-                // so we should be more cautious rather than just dropping tables so easily
-                error_log(
-                    sprintf(
-                        esc_html__(
-                            'It appears that database table "%1$s" exists when it shouldn\'t, and therefore may contain erroneous data. If you have previously restored your database from a backup that didn\'t remove the old tables, then we recommend: %2$s 1. create a new COMPLETE backup of your database, %2$s 2. delete ALL tables from your database, %2$s 3. restore to your previous backup. %2$s If, however, you have not restored to a backup, then somehow your "%3$s" WordPress option could not be read. You can probably ignore this message, but should investigate why that option is being removed.',
-                            'event_espresso'
-                        ),
-                        $wp_table_name,
-                        '<br/>',
-                        'espresso_db_update'
-                    )
-                );
-            }
-        }
-        $engine = str_replace('ENGINE=', '', $engine);
-        EEH_Activation::getTableManager()->createTable($table_name, $sql, $engine);
-    }
-
-
-    /**
-     * Checks if this column already exists on the specified table. Handy for addons which want to add a column
-     *
-     * @param string $table_name  (without "wp_", eg "esp_attendee"
-     * @param string $column_name
-     * @param string $column_info if your SQL were 'ALTER TABLE table_name ADD price VARCHAR(10)', this would be
-     *                            'VARCHAR(10)'
-     * @return bool|int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated instead use TableManager::addColumn()
-     */
-    public static function add_column_if_it_doesnt_exist(
-        $table_name,
-        $column_name,
-        $column_info = 'INT UNSIGNED NOT NULL'
-    ) {
-        return EEH_Activation::getTableManager()->addColumn($table_name, $column_name, $column_info);
-    }
-
-
-    /**
-     * Gets all the fields on the database table.
-     *
-     * @param string $table_name , without prefixed $wpdb->prefix
-     * @return array of database column names
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated instead use TableManager::getTableColumns()
-     */
-    public static function get_fields_on_table($table_name = null)
-    {
-        return EEH_Activation::getTableManager()->getTableColumns($table_name);
-    }
-
-
-    /**
-     * @param string $table_name
-     * @return bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated instead use TableAnalysis::tableIsEmpty()
-     */
-    public static function db_table_is_empty($table_name)
-    {
-        return EEH_Activation::getTableAnalysis()->tableIsEmpty($table_name);
-    }
-
-
-    /**
-     * @param string $table_name
-     * @return bool | int
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function delete_db_table_if_empty($table_name)
-    {
-        if (EEH_Activation::getTableAnalysis()->tableIsEmpty($table_name)) {
-            return EEH_Activation::getTableManager()->dropTable($table_name);
-        }
-        return false;
-    }
-
-
-    /**
-     * @param string $table_name
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated instead use TableManager::dropTable()
-     */
-    public static function delete_unused_db_table($table_name)
-    {
-        return EEH_Activation::getTableManager()->dropTable($table_name);
-    }
-
-
-    /**
-     * @param string $table_name
-     * @param string $index_name
-     * @return int
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated instead use TableManager::dropIndex()
-     */
-    public static function drop_index($table_name, $index_name)
-    {
-        return EEH_Activation::getTableManager()->dropIndex($table_name, $index_name);
-    }
-
-
-    /**
-     * @return boolean success (whether database is setup properly or not)
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function create_database_tables()
-    {
-        EE_Registry::instance()->load_core('Data_Migration_Manager');
-        // find the migration script that sets the database to be compatible with the code
-        $dms_name = EE_Data_Migration_Manager::instance()->get_most_up_to_date_dms();
-        if (! $dms_name) {
-            EE_Error::add_error(
-                esc_html__(
-                    'Could not determine most up-to-date data migration script from which to pull database schema
+		$ee_cron_tasks_to_remove = EEH_Activation::get_cron_tasks($cron_tasks_to_remove);
+		foreach ($crons as $timestamp => $hooks_to_fire_at_time) {
+			if (is_array($hooks_to_fire_at_time)) {
+				foreach ($hooks_to_fire_at_time as $hook_name => $hook_actions) {
+					if (
+						isset($ee_cron_tasks_to_remove[ $hook_name ])
+						&& is_array($ee_cron_tasks_to_remove[ $hook_name ])
+					) {
+						unset($crons[ $timestamp ][ $hook_name ]);
+					}
+				}
+				// also take care of any empty cron timestamps.
+				if (empty($hooks_to_fire_at_time)) {
+					unset($crons[ $timestamp ]);
+				}
+			}
+		}
+		_set_cron_array($crons);
+	}
+
+
+	/**
+	 * registers all EE CPTs ( Custom Post Types ) then flushes rewrite rules so that all endpoints exist
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function CPT_initialization()
+	{
+		// register Custom Post Types
+		EE_Registry::instance()->load_core('Register_CPTs');
+		flush_rewrite_rules();
+	}
+
+
+	/**
+	 * The following code was moved over from EE_Config so that it will no longer run on every request.
+	 * If there is old calendar config data saved, then it will get converted on activation.
+	 * This was basically a DMS before we had DMS's, and will get removed after a few more versions.
+	 *
+	 * @return void
+	 */
+	public static function reset_and_update_config()
+	{
+		do_action('AHEE__EE_Config___load_core_config__start', ['EEH_Activation', 'load_calendar_config']);
+		add_filter(
+			'FHEE__EE_Config___load_core_config__config_settings',
+			['EEH_Activation', 'migrate_old_config_data'],
+			10,
+			3
+		);
+		if (! EE_Config::logging_enabled()) {
+			delete_option(EE_Config::LOG_NAME);
+		}
+	}
+
+
+	/**
+	 * @return    void
+	 */
+	public static function load_calendar_config()
+	{
+		// grab array of all plugin folders and loop thru it
+		$plugins = glob(WP_PLUGIN_DIR . '/*', GLOB_ONLYDIR);
+		if (empty($plugins)) {
+			return;
+		}
+		foreach ($plugins as $plugin_path) {
+			// grab plugin folder name from path
+			$plugin = basename($plugin_path);
+			// drill down to Espresso plugins
+			// then to calendar related plugins
+			if (
+				strpos($plugin, 'espresso') !== false
+				|| strpos($plugin, 'Espresso') !== false
+				|| strpos($plugin, 'ee4') !== false
+				|| strpos($plugin, 'EE4') !== false
+				|| strpos($plugin, 'calendar') !== false
+			) {
+				// this is what we are looking for
+				$calendar_config = $plugin_path . '/EE_Calendar_Config.php';
+				// does it exist in this folder ?
+				if (is_readable($calendar_config)) {
+					// YEAH! let's load it
+					require_once($calendar_config);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * @param array|stdClass $settings
+	 * @param string         $config
+	 * @param EE_Config      $EE_Config
+	 * @return stdClass
+	 */
+	public static function migrate_old_config_data($settings = [], $config = '', EE_Config $EE_Config)
+	{
+		$convert_from_array = ['addons'];
+		// in case old settings were saved as an array
+		if (is_array($settings) && in_array($config, $convert_from_array)) {
+			// convert existing settings to an object
+			$config_array = $settings;
+			$settings     = new stdClass();
+			foreach ($config_array as $key => $value) {
+				if ($key === 'calendar' && class_exists('EE_Calendar_Config')) {
+					$EE_Config->set_config('addons', 'EE_Calendar', 'EE_Calendar_Config', $value);
+				} else {
+					$settings->{$key} = $value;
+				}
+			}
+			add_filter('FHEE__EE_Config___load_core_config__update_espresso_config', '__return_true');
+		}
+		return $settings;
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function deactivate_event_espresso()
+	{
+		// check permissions
+		if (current_user_can('activate_plugins')) {
+			deactivate_plugins(EE_PLUGIN_BASENAME, true);
+		}
+	}
+
+
+	/**
+	 * @return void
+	 * @throws InvalidDataTypeException
+	 */
+	public static function verify_default_pages_exist()
+	{
+		$critical_page_problem = false;
+		$critical_pages        = [
+			[
+				'id'   => 'reg_page_id',
+				'name' => esc_html__('Registration Checkout', 'event_espresso'),
+				'post' => null,
+				'code' => 'ESPRESSO_CHECKOUT',
+			],
+			[
+				'id'   => 'txn_page_id',
+				'name' => esc_html__('Transactions', 'event_espresso'),
+				'post' => null,
+				'code' => 'ESPRESSO_TXN_PAGE',
+			],
+			[
+				'id'   => 'thank_you_page_id',
+				'name' => esc_html__('Thank You', 'event_espresso'),
+				'post' => null,
+				'code' => 'ESPRESSO_THANK_YOU',
+			],
+			[
+				'id'   => 'cancel_page_id',
+				'name' => esc_html__('Registration Cancelled', 'event_espresso'),
+				'post' => null,
+				'code' => 'ESPRESSO_CANCELLED',
+			],
+		];
+		$EE_Core_Config        = EE_Registry::instance()->CFG->core;
+		foreach ($critical_pages as $critical_page) {
+			// is critical page ID set in config ?
+			if ($EE_Core_Config->{$critical_page['id']} !== false) {
+				// attempt to find post by ID
+				$critical_page['post'] = get_post($EE_Core_Config->{$critical_page['id']});
+			}
+			// no dice?
+			if ($critical_page['post'] === null) {
+				// attempt to find post by title
+				$critical_page['post'] = self::get_page_by_ee_shortcode($critical_page['code']);
+				// still nothing?
+				if ($critical_page['post'] === null) {
+					$critical_page = EEH_Activation::create_critical_page($critical_page);
+					// REALLY? Still nothing ??!?!?
+					if ($critical_page['post'] === null) {
+						$msg = esc_html__(
+							'The Event Espresso critical page configuration settings could not be updated.',
+							'event_espresso'
+						);
+						EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+						break;
+					}
+				}
+			}
+			// check that Post ID matches critical page ID in config
+			if (
+				isset($critical_page['post']->ID)
+				&& $critical_page['post']->ID !== $EE_Core_Config->{$critical_page['id']}
+			) {
+				// update Config with post ID
+				$EE_Core_Config->{$critical_page['id']} = $critical_page['post']->ID;
+				if (! EE_Config::instance()->update_espresso_config(false, false)) {
+					$msg = esc_html__(
+						'The Event Espresso critical page configuration settings could not be updated.',
+						'event_espresso'
+					);
+					EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+				}
+			}
+			$critical_page_problem =
+				! isset($critical_page['post']->post_status)
+				|| $critical_page['post']->post_status !== 'publish'
+				|| strpos($critical_page['post']->post_content, $critical_page['code']) === false
+					? true
+					: $critical_page_problem;
+		}
+		if ($critical_page_problem) {
+			new PersistentAdminNotice(
+				'critical_page_problem',
+				sprintf(
+					esc_html__(
+						'A potential issue has been detected with one or more of your Event Espresso pages. Go to %s to view your Event Espresso pages.',
+						'event_espresso'
+					),
+					'<a href="' . admin_url('admin.php?page=espresso_general_settings&action=critical_pages') . '">'
+					. esc_html__('Event Espresso Critical Pages Settings', 'event_espresso')
+					. '</a>'
+				)
+			);
+		}
+		if (EE_Error::has_notices()) {
+			EE_Error::get_notices(false, true);
+		}
+	}
+
+
+	/**
+	 * Returns the first post which uses the specified shortcode
+	 *
+	 * @param string $ee_shortcode usually one of the critical pages shortcodes, eg
+	 *                             ESPRESSO_THANK_YOU. So we will search fora post with the content
+	 *                             "[ESPRESSO_THANK_YOU"
+	 *                             (we don't search for the closing shortcode bracket because they might have added
+	 *                             parameter to the shortcode
+	 * @return WP_Post or NULl
+	 */
+	public static function get_page_by_ee_shortcode($ee_shortcode)
+	{
+		global $wpdb;
+		$shortcode_and_opening_bracket = '[' . $ee_shortcode;
+		$post_id                       =
+			$wpdb->get_var("SELECT ID FROM {$wpdb->posts} WHERE post_content LIKE '%$shortcode_and_opening_bracket%' LIMIT 1");
+		if ($post_id) {
+			return get_post($post_id);
+		} else {
+			return null;
+		}
+	}
+
+
+	/**
+	 * This function generates a post for critical espresso pages
+	 *
+	 * @param array $critical_page
+	 * @return array
+	 */
+	public static function create_critical_page($critical_page)
+	{
+
+		$post_args = [
+			'post_title'     => $critical_page['name'],
+			'post_status'    => 'publish',
+			'post_type'      => 'page',
+			'comment_status' => 'closed',
+			'post_content'   => '[' . $critical_page['code'] . ']',
+		];
+
+		$post_id = wp_insert_post($post_args);
+		if (! $post_id) {
+			$msg = sprintf(
+				esc_html__('The Event Espresso  critical page entitled "%s" could not be created.', 'event_espresso'),
+				$critical_page['name']
+			);
+			EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+			return $critical_page;
+		}
+		// get newly created post's details
+		if (! $critical_page['post'] = get_post($post_id)) {
+			$msg = sprintf(
+				esc_html__('The Event Espresso critical page entitled "%s" could not be retrieved.', 'event_espresso'),
+				$critical_page['name']
+			);
+			EE_Error::add_error($msg, __FILE__, __FUNCTION__, __LINE__);
+		}
+
+		return $critical_page;
+	}
+
+
+	/**
+	 * Tries to find the oldest admin for this site.  If there are no admins for this site then return NULL.
+	 * The role being used to check is filterable.
+	 *
+	 * @return int|null WP_user ID or NULL
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since  4.6.0
+	 * @global WPDB $wpdb
+	 */
+	public static function get_default_creator_id()
+	{
+		global $wpdb;
+		if (! empty(self::$_default_creator_id)) {
+			return self::$_default_creator_id;
+		}/**/
+		$role_to_check = apply_filters('FHEE__EEH_Activation__get_default_creator_id__role_to_check', 'administrator');
+		// let's allow pre_filtering for early exits by alternative methods for getting id.  We check for truthy result and if so then exit early.
+		$pre_filtered_id = apply_filters(
+			'FHEE__EEH_Activation__get_default_creator_id__pre_filtered_id',
+			false,
+			$role_to_check
+		);
+		if ($pre_filtered_id !== false) {
+			return (int) $pre_filtered_id;
+		}
+		$capabilities_key = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('capabilities');
+		$query            = $wpdb->prepare(
+			"SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$capabilities_key' AND meta_value LIKE %s ORDER BY user_id ASC LIMIT 0,1",
+			'%' . $role_to_check . '%'
+		);
+		$user_id          = $wpdb->get_var($query);
+		$user_id          = apply_filters('FHEE__EEH_Activation_Helper__get_default_creator_id__user_id', $user_id);
+		if ($user_id && (int) $user_id) {
+			self::$_default_creator_id = (int) $user_id;
+			return self::$_default_creator_id;
+		} else {
+			return null;
+		}
+	}
+
+
+	/**
+	 * used by EE and EE addons during plugin activation to create tables.
+	 * Its a wrapper for EventEspresso\core\services\database\TableManager::createTable,
+	 * but includes extra logic regarding activations.
+	 *
+	 * @param string  $table_name              without the $wpdb->prefix
+	 * @param string  $sql                     SQL for creating the table (contents between brackets in an SQL create
+	 *                                         table query)
+	 * @param string  $engine                  like 'ENGINE=MyISAM' or 'ENGINE=InnoDB'
+	 * @param boolean $drop_pre_existing_table set to TRUE when you want to make SURE the table is completely empty
+	 *                                         and new once this function is done (ie, you really do want to CREATE a
+	 *                                         table, and expect it to be empty once you're done) leave as FALSE when
+	 *                                         you just want to verify the table exists and matches this definition
+	 *                                         (and if it HAS data in it you want to leave it be)
+	 * @return void
+	 * @throws EE_Error if there are database errors
+	 * @throws ReflectionException
+	 */
+	public static function create_table($table_name, $sql, $engine = 'ENGINE=MyISAM ', $drop_pre_existing_table = false)
+	{
+		if (apply_filters('FHEE__EEH_Activation__create_table__short_circuit', false, $table_name, $sql)) {
+			return;
+		}
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+		if (! function_exists('dbDelta')) {
+			require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
+		}
+		$tableAnalysis = EEH_Activation::getTableAnalysis();
+		$wp_table_name = $tableAnalysis->ensureTableNameHasPrefix($table_name);
+		// do we need to first delete an existing version of this table ?
+		if ($drop_pre_existing_table && $tableAnalysis->tableExists($wp_table_name)) {
+			// ok, delete the table... but ONLY if it's empty
+			$deleted_safely = EEH_Activation::delete_db_table_if_empty($wp_table_name);
+			// table is NOT empty, are you SURE you want to delete this table ???
+			if (! $deleted_safely && defined('EE_DROP_BAD_TABLES') && EE_DROP_BAD_TABLES) {
+				EEH_Activation::getTableManager()->dropTable($wp_table_name);
+			} elseif (! $deleted_safely) {
+				// so we should be more cautious rather than just dropping tables so easily
+				error_log(
+					sprintf(
+						esc_html__(
+							'It appears that database table "%1$s" exists when it shouldn\'t, and therefore may contain erroneous data. If you have previously restored your database from a backup that didn\'t remove the old tables, then we recommend: %2$s 1. create a new COMPLETE backup of your database, %2$s 2. delete ALL tables from your database, %2$s 3. restore to your previous backup. %2$s If, however, you have not restored to a backup, then somehow your "%3$s" WordPress option could not be read. You can probably ignore this message, but should investigate why that option is being removed.',
+							'event_espresso'
+						),
+						$wp_table_name,
+						'<br/>',
+						'espresso_db_update'
+					)
+				);
+			}
+		}
+		$engine = str_replace('ENGINE=', '', $engine);
+		EEH_Activation::getTableManager()->createTable($table_name, $sql, $engine);
+	}
+
+
+	/**
+	 * Checks if this column already exists on the specified table. Handy for addons which want to add a column
+	 *
+	 * @param string $table_name  (without "wp_", eg "esp_attendee"
+	 * @param string $column_name
+	 * @param string $column_info if your SQL were 'ALTER TABLE table_name ADD price VARCHAR(10)', this would be
+	 *                            'VARCHAR(10)'
+	 * @return bool|int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated instead use TableManager::addColumn()
+	 */
+	public static function add_column_if_it_doesnt_exist(
+		$table_name,
+		$column_name,
+		$column_info = 'INT UNSIGNED NOT NULL'
+	) {
+		return EEH_Activation::getTableManager()->addColumn($table_name, $column_name, $column_info);
+	}
+
+
+	/**
+	 * Gets all the fields on the database table.
+	 *
+	 * @param string $table_name , without prefixed $wpdb->prefix
+	 * @return array of database column names
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated instead use TableManager::getTableColumns()
+	 */
+	public static function get_fields_on_table($table_name = null)
+	{
+		return EEH_Activation::getTableManager()->getTableColumns($table_name);
+	}
+
+
+	/**
+	 * @param string $table_name
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated instead use TableAnalysis::tableIsEmpty()
+	 */
+	public static function db_table_is_empty($table_name)
+	{
+		return EEH_Activation::getTableAnalysis()->tableIsEmpty($table_name);
+	}
+
+
+	/**
+	 * @param string $table_name
+	 * @return bool | int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function delete_db_table_if_empty($table_name)
+	{
+		if (EEH_Activation::getTableAnalysis()->tableIsEmpty($table_name)) {
+			return EEH_Activation::getTableManager()->dropTable($table_name);
+		}
+		return false;
+	}
+
+
+	/**
+	 * @param string $table_name
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated instead use TableManager::dropTable()
+	 */
+	public static function delete_unused_db_table($table_name)
+	{
+		return EEH_Activation::getTableManager()->dropTable($table_name);
+	}
+
+
+	/**
+	 * @param string $table_name
+	 * @param string $index_name
+	 * @return int
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated instead use TableManager::dropIndex()
+	 */
+	public static function drop_index($table_name, $index_name)
+	{
+		return EEH_Activation::getTableManager()->dropIndex($table_name, $index_name);
+	}
+
+
+	/**
+	 * @return boolean success (whether database is setup properly or not)
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function create_database_tables()
+	{
+		EE_Registry::instance()->load_core('Data_Migration_Manager');
+		// find the migration script that sets the database to be compatible with the code
+		$dms_name = EE_Data_Migration_Manager::instance()->get_most_up_to_date_dms();
+		if (! $dms_name) {
+			EE_Error::add_error(
+				esc_html__(
+					'Could not determine most up-to-date data migration script from which to pull database schema
                      structure. So database is probably not setup properly',
-                    'event_espresso'
-                ),
-                __FILE__,
-                __FUNCTION__,
-                __LINE__
-            );
-            return false;
-        }
-        $current_data_migration_script = EE_Registry::instance()->load_dms($dms_name);
-        $current_data_migration_script->set_migrating(false);
-        $current_data_migration_script->schema_changes_before_migration();
-        $current_data_migration_script->schema_changes_after_migration();
-        if ($current_data_migration_script->get_errors()) {
-            if (WP_DEBUG) {
-                foreach ($current_data_migration_script->get_errors() as $error) {
-                    EE_Error::add_error($error, __FILE__, __FUNCTION__, __LINE__);
-                }
-            } else {
-                EE_Error::add_error(
-                    esc_html__(
-                        'There were errors creating the Event Espresso database tables and Event Espresso has been 
+					'event_espresso'
+				),
+				__FILE__,
+				__FUNCTION__,
+				__LINE__
+			);
+			return false;
+		}
+		$current_data_migration_script = EE_Registry::instance()->load_dms($dms_name);
+		$current_data_migration_script->set_migrating(false);
+		$current_data_migration_script->schema_changes_before_migration();
+		$current_data_migration_script->schema_changes_after_migration();
+		if ($current_data_migration_script->get_errors()) {
+			if (WP_DEBUG) {
+				foreach ($current_data_migration_script->get_errors() as $error) {
+					EE_Error::add_error($error, __FILE__, __FUNCTION__, __LINE__);
+				}
+			} else {
+				EE_Error::add_error(
+					esc_html__(
+						'There were errors creating the Event Espresso database tables and Event Espresso has been 
                             deactivated. To view the errors, please enable WP_DEBUG in your wp-config.php file.',
-                        'event_espresso'
-                    )
-                );
-            }
-            return false;
-        }
-        EE_Data_Migration_Manager::instance()->update_current_database_state_to();
-        return true;
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function initialize_system_questions()
-    {
-        // QUESTION GROUPS
-        global $wpdb;
-        $table_name = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('esp_question_group');
-        $SQL        = "SELECT QSG_system FROM $table_name WHERE QSG_system != 0";
-        // what we have
-        $question_groups = $wpdb->get_col($SQL);
-        // check the response
-        $question_groups = is_array($question_groups) ? $question_groups : [];
-        // what we should have
-        $QSG_systems = [1, 2];
-        // loop thru what we should have and compare to what we have
-        foreach ($QSG_systems as $QSG_system) {
-            // reset values array
-            $QSG_values = [];
-            // if we don't have what we should have (but use $QST_system as as string because that's what we got from the db)
-            if (! in_array("$QSG_system", $question_groups)) {
-                // add it
-                switch ($QSG_system) {
-                    case 1:
-                        $QSG_values = [
-                            'QSG_name'            => esc_html__('Personal Information', 'event_espresso'),
-                            'QSG_identifier'      => 'personal-information-' . time(),
-                            'QSG_desc'            => '',
-                            'QSG_order'           => 1,
-                            'QSG_show_group_name' => 1,
-                            'QSG_show_group_desc' => 1,
-                            'QSG_system'          => EEM_Question_Group::system_personal,
-                            'QSG_deleted'         => 0,
-                        ];
-                        break;
-                    case 2:
-                        $QSG_values = [
-                            'QSG_name'            => esc_html__('Address Information', 'event_espresso'),
-                            'QSG_identifier'      => 'address-information-' . time(),
-                            'QSG_desc'            => '',
-                            'QSG_order'           => 2,
-                            'QSG_show_group_name' => 1,
-                            'QSG_show_group_desc' => 1,
-                            'QSG_system'          => EEM_Question_Group::system_address,
-                            'QSG_deleted'         => 0,
-                        ];
-                        break;
-                }
-                // make sure we have some values before inserting them
-                if (! empty($QSG_values)) {
-                    // insert system question
-                    $wpdb->insert(
-                        $table_name,
-                        $QSG_values,
-                        ['%s', '%s', '%s', '%d', '%d', '%d', '%d', '%d']
-                    );
-                    $QSG_IDs[ $QSG_system ] = $wpdb->insert_id;
-                }
-            }
-        }
-        // QUESTIONS
-        global $wpdb;
-        $table_name = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('esp_question');
-        $SQL        = "SELECT QST_system FROM $table_name WHERE QST_system != ''";
-        // what we have
-        $questions = $wpdb->get_col($SQL);
-        // all system questions
-        $personal_system_group_questions = ['fname', 'lname', 'email'];
-        $address_system_group_questions  = ['address', 'address2', 'city', 'country', 'state', 'zip', 'phone'];
-        $system_questions_not_in_group   = ['email_confirm'];
-        // merge all of the system questions we should have
-        $QST_systems       = array_merge(
-            $personal_system_group_questions,
-            $address_system_group_questions,
-            $system_questions_not_in_group
-        );
-        $order_for_group_1 = 1;
-        $order_for_group_2 = 1;
-        // loop thru what we should have and compare to what we have
-        foreach ($QST_systems as $QST_system) {
-            // reset values array
-            $QST_values = [];
-            // if we don't have what we should have
-            if (! in_array($QST_system, $questions)) {
-                // add it
-                switch ($QST_system) {
-                    case 'fname':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('First Name', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('First Name - System Question', 'event_espresso'),
-                            'QST_system'        => 'fname',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 1,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 1,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'lname':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Last Name', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Last Name - System Question', 'event_espresso'),
-                            'QST_system'        => 'lname',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 1,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 2,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'email':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Email Address', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Email Address - System Question', 'event_espresso'),
-                            'QST_system'        => 'email',
-                            'QST_type'          => 'EMAIL',
-                            'QST_required'      => 1,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 3,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'email_confirm':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Confirm Email Address', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Confirm Email Address - System Question', 'event_espresso'),
-                            'QST_system'        => 'email_confirm',
-                            'QST_type'          => 'EMAIL_CONFIRM',
-                            'QST_required'      => 1,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 4,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'address':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Address', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Address - System Question', 'event_espresso'),
-                            'QST_system'        => 'address',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 5,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'address2':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Address2', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Address2 - System Question', 'event_espresso'),
-                            'QST_system'        => 'address2',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 6,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'city':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('City', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('City - System Question', 'event_espresso'),
-                            'QST_system'        => 'city',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 7,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'country':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Country', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Country - System Question', 'event_espresso'),
-                            'QST_system'        => 'country',
-                            'QST_type'          => 'COUNTRY',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 8,
-                            'QST_admin_only'    => 0,
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'state':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('State/Province', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('State/Province - System Question', 'event_espresso'),
-                            'QST_system'        => 'state',
-                            'QST_type'          => 'STATE',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 9,
-                            'QST_admin_only'    => 0,
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'zip':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Zip/Postal Code', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Zip/Postal Code - System Question', 'event_espresso'),
-                            'QST_system'        => 'zip',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 10,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                    case 'phone':
-                        $QST_values = [
-                            'QST_display_text'  => esc_html__('Phone Number', 'event_espresso'),
-                            'QST_admin_label'   => esc_html__('Phone Number - System Question', 'event_espresso'),
-                            'QST_system'        => 'phone',
-                            'QST_type'          => 'TEXT',
-                            'QST_required'      => 0,
-                            'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
-                            'QST_order'         => 11,
-                            'QST_admin_only'    => 0,
-                            'QST_max'           => EEM_Question::instance()
-                                                               ->absolute_max_for_system_question($QST_system),
-                            'QST_wp_user'       => self::get_default_creator_id(),
-                            'QST_deleted'       => 0,
-                        ];
-                        break;
-                }
-                if (! empty($QST_values)) {
-                    // insert system question
-                    $wpdb->insert(
-                        $table_name,
-                        $QST_values,
-                        ['%s', '%s', '%s', '%s', '%d', '%s', '%d', '%d', '%d', '%d']
-                    );
-                    $QST_ID = $wpdb->insert_id;
-
-                    // QUESTION GROUP QUESTIONS
-                    if (in_array($QST_system, $personal_system_group_questions)) {
-                        $system_question_we_want = EEM_Question_Group::system_personal;
-                    } elseif (in_array($QST_system, $address_system_group_questions)) {
-                        $system_question_we_want = EEM_Question_Group::system_address;
-                    } else {
-                        // QST_system should not be assigned to any group
-                        continue;
-                    }
-                    if (isset($QSG_IDs[ $system_question_we_want ])) {
-                        $QSG_ID = $QSG_IDs[ $system_question_we_want ];
-                    } else {
-                        $id_col = EEM_Question_Group::instance()
-                                                    ->get_col([['QSG_system' => $system_question_we_want]]);
-                        if (is_array($id_col)) {
-                            $QSG_ID = reset($id_col);
-                        } else {
-                            // ok so we didn't find it in the db either?? that's weird because we should have inserted it at the start of this method
-                            EE_Log::instance()->log(
-                                __FILE__,
-                                __FUNCTION__,
-                                sprintf(
-                                    esc_html__(
-                                        'Could not associate question %1$s to a question group because no system question
+						'event_espresso'
+					)
+				);
+			}
+			return false;
+		}
+		EE_Data_Migration_Manager::instance()->update_current_database_state_to();
+		return true;
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function initialize_system_questions()
+	{
+		// QUESTION GROUPS
+		global $wpdb;
+		$table_name = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('esp_question_group');
+		$SQL        = "SELECT QSG_system FROM $table_name WHERE QSG_system != 0";
+		// what we have
+		$question_groups = $wpdb->get_col($SQL);
+		// check the response
+		$question_groups = is_array($question_groups) ? $question_groups : [];
+		// what we should have
+		$QSG_systems = [1, 2];
+		// loop thru what we should have and compare to what we have
+		foreach ($QSG_systems as $QSG_system) {
+			// reset values array
+			$QSG_values = [];
+			// if we don't have what we should have (but use $QST_system as as string because that's what we got from the db)
+			if (! in_array("$QSG_system", $question_groups)) {
+				// add it
+				switch ($QSG_system) {
+					case 1:
+						$QSG_values = [
+							'QSG_name'            => esc_html__('Personal Information', 'event_espresso'),
+							'QSG_identifier'      => 'personal-information-' . time(),
+							'QSG_desc'            => '',
+							'QSG_order'           => 1,
+							'QSG_show_group_name' => 1,
+							'QSG_show_group_desc' => 1,
+							'QSG_system'          => EEM_Question_Group::system_personal,
+							'QSG_deleted'         => 0,
+						];
+						break;
+					case 2:
+						$QSG_values = [
+							'QSG_name'            => esc_html__('Address Information', 'event_espresso'),
+							'QSG_identifier'      => 'address-information-' . time(),
+							'QSG_desc'            => '',
+							'QSG_order'           => 2,
+							'QSG_show_group_name' => 1,
+							'QSG_show_group_desc' => 1,
+							'QSG_system'          => EEM_Question_Group::system_address,
+							'QSG_deleted'         => 0,
+						];
+						break;
+				}
+				// make sure we have some values before inserting them
+				if (! empty($QSG_values)) {
+					// insert system question
+					$wpdb->insert(
+						$table_name,
+						$QSG_values,
+						['%s', '%s', '%s', '%d', '%d', '%d', '%d', '%d']
+					);
+					$QSG_IDs[ $QSG_system ] = $wpdb->insert_id;
+				}
+			}
+		}
+		// QUESTIONS
+		global $wpdb;
+		$table_name = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('esp_question');
+		$SQL        = "SELECT QST_system FROM $table_name WHERE QST_system != ''";
+		// what we have
+		$questions = $wpdb->get_col($SQL);
+		// all system questions
+		$personal_system_group_questions = ['fname', 'lname', 'email'];
+		$address_system_group_questions  = ['address', 'address2', 'city', 'country', 'state', 'zip', 'phone'];
+		$system_questions_not_in_group   = ['email_confirm'];
+		// merge all of the system questions we should have
+		$QST_systems       = array_merge(
+			$personal_system_group_questions,
+			$address_system_group_questions,
+			$system_questions_not_in_group
+		);
+		$order_for_group_1 = 1;
+		$order_for_group_2 = 1;
+		// loop thru what we should have and compare to what we have
+		foreach ($QST_systems as $QST_system) {
+			// reset values array
+			$QST_values = [];
+			// if we don't have what we should have
+			if (! in_array($QST_system, $questions)) {
+				// add it
+				switch ($QST_system) {
+					case 'fname':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('First Name', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('First Name - System Question', 'event_espresso'),
+							'QST_system'        => 'fname',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 1,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 1,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'lname':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Last Name', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Last Name - System Question', 'event_espresso'),
+							'QST_system'        => 'lname',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 1,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 2,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'email':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Email Address', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Email Address - System Question', 'event_espresso'),
+							'QST_system'        => 'email',
+							'QST_type'          => 'EMAIL',
+							'QST_required'      => 1,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 3,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'email_confirm':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Confirm Email Address', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Confirm Email Address - System Question', 'event_espresso'),
+							'QST_system'        => 'email_confirm',
+							'QST_type'          => 'EMAIL_CONFIRM',
+							'QST_required'      => 1,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 4,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'address':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Address', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Address - System Question', 'event_espresso'),
+							'QST_system'        => 'address',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 5,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'address2':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Address2', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Address2 - System Question', 'event_espresso'),
+							'QST_system'        => 'address2',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 6,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'city':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('City', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('City - System Question', 'event_espresso'),
+							'QST_system'        => 'city',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 7,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'country':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Country', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Country - System Question', 'event_espresso'),
+							'QST_system'        => 'country',
+							'QST_type'          => 'COUNTRY',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 8,
+							'QST_admin_only'    => 0,
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'state':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('State/Province', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('State/Province - System Question', 'event_espresso'),
+							'QST_system'        => 'state',
+							'QST_type'          => 'STATE',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 9,
+							'QST_admin_only'    => 0,
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'zip':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Zip/Postal Code', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Zip/Postal Code - System Question', 'event_espresso'),
+							'QST_system'        => 'zip',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 10,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+					case 'phone':
+						$QST_values = [
+							'QST_display_text'  => esc_html__('Phone Number', 'event_espresso'),
+							'QST_admin_label'   => esc_html__('Phone Number - System Question', 'event_espresso'),
+							'QST_system'        => 'phone',
+							'QST_type'          => 'TEXT',
+							'QST_required'      => 0,
+							'QST_required_text' => esc_html__('This field is required', 'event_espresso'),
+							'QST_order'         => 11,
+							'QST_admin_only'    => 0,
+							'QST_max'           => EEM_Question::instance()
+															   ->absolute_max_for_system_question($QST_system),
+							'QST_wp_user'       => self::get_default_creator_id(),
+							'QST_deleted'       => 0,
+						];
+						break;
+				}
+				if (! empty($QST_values)) {
+					// insert system question
+					$wpdb->insert(
+						$table_name,
+						$QST_values,
+						['%s', '%s', '%s', '%s', '%d', '%s', '%d', '%d', '%d', '%d']
+					);
+					$QST_ID = $wpdb->insert_id;
+
+					// QUESTION GROUP QUESTIONS
+					if (in_array($QST_system, $personal_system_group_questions)) {
+						$system_question_we_want = EEM_Question_Group::system_personal;
+					} elseif (in_array($QST_system, $address_system_group_questions)) {
+						$system_question_we_want = EEM_Question_Group::system_address;
+					} else {
+						// QST_system should not be assigned to any group
+						continue;
+					}
+					if (isset($QSG_IDs[ $system_question_we_want ])) {
+						$QSG_ID = $QSG_IDs[ $system_question_we_want ];
+					} else {
+						$id_col = EEM_Question_Group::instance()
+													->get_col([['QSG_system' => $system_question_we_want]]);
+						if (is_array($id_col)) {
+							$QSG_ID = reset($id_col);
+						} else {
+							// ok so we didn't find it in the db either?? that's weird because we should have inserted it at the start of this method
+							EE_Log::instance()->log(
+								__FILE__,
+								__FUNCTION__,
+								sprintf(
+									esc_html__(
+										'Could not associate question %1$s to a question group because no system question
                                          group existed',
-                                        'event_espresso'
-                                    ),
-                                    $QST_ID
-                                ),
-                                'error'
-                            );
-                            continue;
-                        }
-                    }
-                    // add system questions to groups
-                    $wpdb->insert(
-                        EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('esp_question_group_question'),
-                        [
-                            'QSG_ID'    => $QSG_ID,
-                            'QST_ID'    => $QST_ID,
-                            'QGQ_order' => ($QSG_ID === 1) ? $order_for_group_1++ : $order_for_group_2++,
-                        ],
-                        ['%d', '%d', '%d']
-                    );
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Makes sure the default payment method (Invoice) is active.
-     * This used to be done automatically as part of constructing the old gateways config
-     *
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function insert_default_payment_methods()
-    {
-        if (! EEM_Payment_Method::instance()->count_active(EEM_Payment_Method::scope_cart)) {
-            EE_Registry::instance()->load_lib('Payment_Method_Manager');
-            EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
-        } else {
-            EEM_Payment_Method::instance()->verify_button_urls();
-        }
-    }
-
-
-    /**
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function insert_default_status_codes()
-    {
-
-        global $wpdb;
-
-        if (EEH_Activation::getTableAnalysis()->tableExists(EEM_Status::instance()->table())) {
-            $table_name = EEM_Status::instance()->table();
-
-            $SQL =
-                "DELETE FROM $table_name WHERE STS_ID IN ( 'ACT', 'NAC', 'NOP', 'OPN', 'CLS', 'PND', 'ONG', 'SEC', 'DRF', 'DEL', 'DEN', 'EXP', 'RPP', 'RCN', 'RDC', 'RAP', 'RNA', 'RWL', 'TAB', 'TIN', 'TFL', 'TCM', 'TOP', 'PAP', 'PCN', 'PFL', 'PDC', 'EDR', 'ESN', 'PPN', 'RIC', 'MSN', 'MFL', 'MID', 'MRS', 'MIC', 'MDO', 'MEX' );";
-            $wpdb->query($SQL);
-
-            $SQL = "INSERT INTO $table_name
+										'event_espresso'
+									),
+									$QST_ID
+								),
+								'error'
+							);
+							continue;
+						}
+					}
+					// add system questions to groups
+					$wpdb->insert(
+						EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('esp_question_group_question'),
+						[
+							'QSG_ID'    => $QSG_ID,
+							'QST_ID'    => $QST_ID,
+							'QGQ_order' => ($QSG_ID === 1) ? $order_for_group_1++ : $order_for_group_2++,
+						],
+						['%d', '%d', '%d']
+					);
+				}
+			}
+		}
+	}
+
+
+	/**
+	 * Makes sure the default payment method (Invoice) is active.
+	 * This used to be done automatically as part of constructing the old gateways config
+	 *
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function insert_default_payment_methods()
+	{
+		if (! EEM_Payment_Method::instance()->count_active(EEM_Payment_Method::scope_cart)) {
+			EE_Registry::instance()->load_lib('Payment_Method_Manager');
+			EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
+		} else {
+			EEM_Payment_Method::instance()->verify_button_urls();
+		}
+	}
+
+
+	/**
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function insert_default_status_codes()
+	{
+
+		global $wpdb;
+
+		if (EEH_Activation::getTableAnalysis()->tableExists(EEM_Status::instance()->table())) {
+			$table_name = EEM_Status::instance()->table();
+
+			$SQL =
+				"DELETE FROM $table_name WHERE STS_ID IN ( 'ACT', 'NAC', 'NOP', 'OPN', 'CLS', 'PND', 'ONG', 'SEC', 'DRF', 'DEL', 'DEN', 'EXP', 'RPP', 'RCN', 'RDC', 'RAP', 'RNA', 'RWL', 'TAB', 'TIN', 'TFL', 'TCM', 'TOP', 'PAP', 'PCN', 'PFL', 'PDC', 'EDR', 'ESN', 'PPN', 'RIC', 'MSN', 'MFL', 'MID', 'MRS', 'MIC', 'MDO', 'MEX' );";
+			$wpdb->query($SQL);
+
+			$SQL = "INSERT INTO $table_name
 					(STS_ID, STS_code, STS_type, STS_can_edit, STS_desc, STS_open) VALUES
 					('ACT', 'ACTIVE', 'event', 0, NULL, 1),
 					('NAC', 'NOT_ACTIVE', 'event', 0, NULL, 0),
@@ -1190,480 +1190,480 @@ 
 					('MID', 'IDLE', 'message', 0, NULL, 1),
 					('MRS', 'RESEND', 'message', 0, NULL, 1),
 					('MIC', 'INCOMPLETE', 'message', 0, NULL, 0);";
-            $wpdb->query($SQL);
-        }
-    }
-
-
-    /**
-     * @return bool     true means new templates were created.
-     *                  false means no templates were created.
-     *                  This is NOT an error flag. To check for errors you will want
-     *                  to use either EE_Error or a try catch for an EE_Error exception.
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function generate_default_message_templates()
-    {
-        /** @type EE_Message_Resource_Manager $message_resource_manager */
-        $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        /*
+			$wpdb->query($SQL);
+		}
+	}
+
+
+	/**
+	 * @return bool     true means new templates were created.
+	 *                  false means no templates were created.
+	 *                  This is NOT an error flag. To check for errors you will want
+	 *                  to use either EE_Error or a try catch for an EE_Error exception.
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function generate_default_message_templates()
+	{
+		/** @type EE_Message_Resource_Manager $message_resource_manager */
+		$message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		/*
          * This first method is taking care of ensuring any default messengers
          * that should be made active and have templates generated are done.
          */
-        $new_templates_created_for_messenger = self::_activate_and_generate_default_messengers_and_message_templates(
-            $message_resource_manager
-        );
-        /**
-         * This method is verifying there are no NEW default message types
-         * for ACTIVE messengers that need activated (and corresponding templates setup).
-         */
-        $new_templates_created_for_message_type =
-            self::_activate_new_message_types_for_active_messengers_and_generate_default_templates(
-                $message_resource_manager
-            );
-        // after all is done, let's persist these changes to the db.
-        $message_resource_manager->update_has_activated_messengers_option();
-        $message_resource_manager->update_active_messengers_option();
-        // will return true if either of these are true.  Otherwise will return false.
-        return $new_templates_created_for_message_type || $new_templates_created_for_messenger;
-    }
-
-
-    /**
-     * @param EE_Message_Resource_Manager $message_resource_manager
-     * @return array|bool
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected static function _activate_new_message_types_for_active_messengers_and_generate_default_templates(
-        EE_Message_Resource_Manager $message_resource_manager
-    ) {
-        $active_messengers       = $message_resource_manager->active_messengers();
-        $installed_message_types = $message_resource_manager->installed_message_types();
-        $templates_created       = false;
-        foreach ($active_messengers as $active_messenger) {
-            $default_message_type_names_for_messenger = $active_messenger->get_default_message_types();
-            $default_message_type_names_to_activate   = [];
-            // looping through each default message type reported by the messenger
-            // and setup the actual message types to activate.
-            foreach ($default_message_type_names_for_messenger as $default_message_type_name_for_messenger) {
-                // if already active or has already been activated before we skip
-                // (otherwise we might reactivate something user's intentionally deactivated.)
-                // we also skip if the message type is not installed.
-                if (
-                    $message_resource_manager->has_message_type_been_activated_for_messenger(
-                        $default_message_type_name_for_messenger,
-                        $active_messenger->name
-                    )
-                    || $message_resource_manager->is_message_type_active_for_messenger(
-                        $active_messenger->name,
-                        $default_message_type_name_for_messenger
-                    )
-                    || ! isset($installed_message_types[ $default_message_type_name_for_messenger ])
-                ) {
-                    continue;
-                }
-                $default_message_type_names_to_activate[] = $default_message_type_name_for_messenger;
-            }
-            // let's activate!
-            $message_resource_manager->ensure_message_types_are_active(
-                $default_message_type_names_to_activate,
-                $active_messenger->name,
-                false
-            );
-            // activate the templates for these message types
-            if (! empty($default_message_type_names_to_activate)) {
-                $templates_created = EEH_MSG_Template::generate_new_templates(
-                    $active_messenger->name,
-                    $default_message_type_names_for_messenger,
-                    '',
-                    true
-                );
-            }
-        }
-        return $templates_created;
-    }
-
-
-    /**
-     * This will activate and generate default messengers and default message types for those messengers.
-     *
-     * @param EE_message_Resource_Manager $message_resource_manager
-     * @return array|bool  True means there were default messengers and message type templates generated.
-     *                     False means that there were no templates generated
-     *                     (which could simply mean there are no default message types for a messenger).
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    protected static function _activate_and_generate_default_messengers_and_message_templates(
-        EE_Message_Resource_Manager $message_resource_manager
-    ) {
-        $messengers_to_generate  = self::_get_default_messengers_to_generate_on_activation($message_resource_manager);
-        $installed_message_types = $message_resource_manager->installed_message_types();
-        $templates_generated     = false;
-        foreach ($messengers_to_generate as $messenger_to_generate) {
-            $default_message_type_names_for_messenger = $messenger_to_generate->get_default_message_types();
-            // verify the default message types match an installed message type.
-            foreach ($default_message_type_names_for_messenger as $key => $name) {
-                if (
-                    ! isset($installed_message_types[ $name ])
-                    || $message_resource_manager->has_message_type_been_activated_for_messenger(
-                        $name,
-                        $messenger_to_generate->name
-                    )
-                ) {
-                    unset($default_message_type_names_for_messenger[ $key ]);
-                }
-            }
-            // in previous iterations, the active_messengers option in the db
-            // needed updated before calling create templates. however with the changes this may not be necessary.
-            // This comment is left here just in case we discover that we _do_ need to update before
-            // passing off to create templates (after the refactor is done).
-            // @todo remove this comment when determined not necessary.
-            $message_resource_manager->activate_messenger(
-                $messenger_to_generate,
-                $default_message_type_names_for_messenger,
-                false
-            );
-            // create any templates needing created (or will reactivate templates already generated as necessary).
-            if (! empty($default_message_type_names_for_messenger)) {
-                $templates_generated = EEH_MSG_Template::generate_new_templates(
-                    $messenger_to_generate->name,
-                    $default_message_type_names_for_messenger,
-                    '',
-                    true
-                );
-            }
-        }
-        return $templates_generated;
-    }
-
-
-    /**
-     * This returns the default messengers to generate templates for on activation of EE.
-     * It considers:
-     * - whether a messenger is already active in the db.
-     * - whether a messenger has been made active at any time in the past.
-     *
-     * @param EE_Message_Resource_Manager $message_resource_manager
-     * @return EE_messenger[]
-     */
-    protected static function _get_default_messengers_to_generate_on_activation(
-        EE_Message_Resource_Manager $message_resource_manager
-    ) {
-        $active_messengers    = $message_resource_manager->active_messengers();
-        $installed_messengers = $message_resource_manager->installed_messengers();
-        $has_activated        = $message_resource_manager->get_has_activated_messengers_option();
-
-        $messengers_to_generate = [];
-        foreach ($installed_messengers as $installed_messenger) {
-            // if installed messenger is a messenger that should be activated on install
-            // and is not already active
-            // and has never been activated
-            if (
-                ! $installed_messenger->activate_on_install
-                || isset($active_messengers[ $installed_messenger->name ])
-                || isset($has_activated[ $installed_messenger->name ])
-            ) {
-                continue;
-            }
-            $messengers_to_generate[ $installed_messenger->name ] = $installed_messenger;
-        }
-        return $messengers_to_generate;
-    }
-
-
-    /**
-     * This simply validates active message types to ensure they actually match installed
-     * message types.  If there's a mismatch then we deactivate the message type and ensure all related db
-     * rows are set inactive.
-     * Note: Messengers are no longer validated here as of 4.9.0 because they get validated automatically whenever
-     * EE_Messenger_Resource_Manager is constructed.  Message Types are a bit more resource heavy for validation so they
-     * are still handled in here.
-     *
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @since 4.3.1
-     */
-    public static function validate_messages_system()
-    {
-        /** @type EE_Message_Resource_Manager $message_resource_manager */
-        $message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
-        $message_resource_manager->validate_active_message_types_are_installed();
-        do_action('AHEE__EEH_Activation__validate_messages_system');
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function create_no_ticket_prices_array()
-    {
-        // this creates an array for tracking events that have no active ticket prices created
-        // this allows us to warn admins of the situation so that it can be corrected
-        $espresso_no_ticket_prices = get_option('ee_no_ticket_prices', false);
-        if (! $espresso_no_ticket_prices) {
-            add_option('ee_no_ticket_prices', [], '', false);
-        }
-    }
-
-
-    /**
-     * @return void
-     */
-    public static function plugin_deactivation()
-    {
-    }
-
-
-    /**
-     * Finds all our EE4 custom post types, and deletes them and their associated data
-     * (like post meta or term relations)
-     *
-     * @throws EE_Error
-     * @global wpdb $wpdb
-     */
-    public static function delete_all_espresso_cpt_data()
-    {
-        global $wpdb;
-        // get all the CPT post_types
-        $ee_post_types = [];
-        foreach (EE_Registry::instance()->non_abstract_db_models as $model_name) {
-            if (method_exists($model_name, 'instance')) {
-                $model_obj = call_user_func([$model_name, 'instance']);
-                if ($model_obj instanceof EEM_CPT_Base) {
-                    $ee_post_types[] = $wpdb->prepare("%s", $model_obj->post_type());
-                }
-            }
-        }
-        // get all our CPTs
-        $query   = "SELECT ID FROM {$wpdb->posts} WHERE post_type IN (" . implode(",", $ee_post_types) . ")";
-        $cpt_ids = $wpdb->get_col($query);
-        // delete each post meta and term relations too
-        foreach ($cpt_ids as $post_id) {
-            wp_delete_post($post_id, true);
-        }
-    }
-
-
-    /**
-     * Deletes all EE custom tables
-     *
-     * @return array
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function drop_espresso_tables()
-    {
-        $tables = [];
-        // load registry
-        foreach (EE_Registry::instance()->non_abstract_db_models as $model_name) {
-            if (method_exists($model_name, 'instance')) {
-                $model_obj = call_user_func([$model_name, 'instance']);
-                if ($model_obj instanceof EEM_Base) {
-                    foreach ($model_obj->get_tables() as $table) {
-                        if (
-                            strpos($table->get_table_name(), 'esp_')
-                            && (
-                                is_main_site()// main site? nuke them all
-                                || ! $table->is_global()// not main site,but not global either. nuke it
-                            )
-                        ) {
-                            $tables[ $table->get_table_name() ] = $table->get_table_name();
-                        }
-                    }
-                }
-            }
-        }
-
-        // there are some tables whose models were removed.
-        // they should be removed when removing all EE core's data
-        $tables_without_models = [
-            'esp_promotion',
-            'esp_promotion_applied',
-            'esp_promotion_object',
-            'esp_promotion_rule',
-            'esp_rule',
-        ];
-        foreach ($tables_without_models as $table) {
-            $tables[ $table ] = $table;
-        }
-        return EEH_Activation::getTableManager()->dropTables($tables);
-    }
-
-
-    /**
-     * Drops all the tables mentioned in a single MYSQL query. Double-checks
-     * each table name provided has a wpdb prefix attached, and that it exists.
-     * Returns the list actually deleted
-     *
-     * @param array $table_names
-     * @return array of table names which we deleted
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @deprecated in 4.9.13. Instead use TableManager::dropTables()
-     * @global WPDB $wpdb
-     */
-    public static function drop_tables($table_names)
-    {
-        return EEH_Activation::getTableManager()->dropTables($table_names);
-    }
-
-
-    /**
-     * plugin_uninstall
-     *
-     * @param bool $remove_all
-     * @return void
-     * @throws EE_Error
-     * @throws ReflectionException
-     */
-    public static function delete_all_espresso_tables_and_data($remove_all = true)
-    {
-        global $wpdb;
-        self::drop_espresso_tables();
-        $wp_options_to_delete = [
-            'ee_no_ticket_prices'                        => true,
-            'ee_active_messengers'                       => true,
-            'ee_has_activated_messenger'                 => true,
-            RewriteRules::OPTION_KEY_FLUSH_REWRITE_RULES => true,
-            'ee_config'                                  => false,
-            'ee_data_migration_current_db_state'         => true,
-            'ee_data_migration_mapping_'                 => false,
-            'ee_data_migration_script_'                  => false,
-            'ee_data_migrations'                         => true,
-            'ee_dms_map'                                 => false,
-            'ee_notices'                                 => true,
-            'lang_file_check_'                           => false,
-            'ee_maintenance_mode'                        => true,
-            'ee_ueip_optin'                              => true,
-            'ee_ueip_has_notified'                       => true,
-            'ee_plugin_activation_errors'                => true,
-            'ee_id_mapping_from'                         => false,
-            'espresso_persistent_admin_notices'          => true,
-            'ee_encryption_key'                          => true,
-            'pue_force_upgrade_'                         => false,
-            'pue_json_error_'                            => false,
-            'pue_install_key_'                           => false,
-            'pue_verification_error_'                    => false,
-            'pu_dismissed_upgrade_'                      => false,
-            'external_updates-'                          => false,
-            'ee_extra_data'                              => true,
-            'ee_ssn_'                                    => false,
-            'ee_rss_'                                    => false,
-            'ee_rte_n_tx_'                               => false,
-            'ee_pers_admin_notices'                      => true,
-            'ee_job_parameters_'                         => false,
-            'ee_upload_directories_incomplete'           => true,
-            'ee_verified_db_collations'                  => true,
-        ];
-        if (is_main_site()) {
-            $wp_options_to_delete['ee_network_config'] = true;
-        }
-        $undeleted_options = [];
-        foreach ($wp_options_to_delete as $option_name => $no_wildcard) {
-            if ($no_wildcard) {
-                if (! delete_option($option_name)) {
-                    $undeleted_options[] = $option_name;
-                }
-            } else {
-                $option_names_to_delete_from_wildcard =
-                    $wpdb->get_col("SELECT option_name FROM $wpdb->options WHERE option_name LIKE '%$option_name%'");
-                foreach ($option_names_to_delete_from_wildcard as $option_name_from_wildcard) {
-                    if (! delete_option($option_name_from_wildcard)) {
-                        $undeleted_options[] = $option_name_from_wildcard;
-                    }
-                }
-            }
-        }
-        // also, let's make sure the "ee_config_option_names" wp option stays out by removing the action that adds it
-        remove_action('shutdown', [EE_Config::instance(), 'shutdown']);
-        if ($remove_all && $espresso_db_update = get_option('espresso_db_update')) {
-            $db_update_sans_ee4 = [];
-            foreach ($espresso_db_update as $version => $times_activated) {
-                if ((string) $version[0] === '3') {// if its NON EE4
-                    $db_update_sans_ee4[ $version ] = $times_activated;
-                }
-            }
-            update_option('espresso_db_update', $db_update_sans_ee4);
-        }
-        $errors = '';
-        if (! empty($undeleted_options)) {
-            $errors .= sprintf(
-                esc_html__('The following wp-options could not be deleted: %s%s', 'event_espresso'),
-                '<br/>',
-                implode(',<br/>', $undeleted_options)
-            );
-        }
-        if (! empty($errors)) {
-            EE_Error::add_attention($errors, __FILE__, __FUNCTION__, __LINE__);
-        }
-    }
-
-
-    /**
-     * Gets the mysql error code from the last used query by wpdb
-     *
-     * @return int mysql error code, see https://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html
-     */
-    public static function last_wpdb_error_code()
-    {
-        // phpcs:disable PHPCompatibility.Extensions.RemovedExtensions.mysql_DeprecatedRemoved
-        global $wpdb;
-        return $wpdb->use_mysqli ? mysqli_errno($wpdb->dbh) : mysql_errno($wpdb->dbh);
-        // phpcs:enable
-    }
-
-
-    /**
-     * Checks that the database table exists. Also works on temporary tables (for unit tests mostly).
-     *
-     * @param string $table_name with or without $wpdb->prefix
-     * @return boolean
-     * @throws EE_Error
-     * @throws ReflectionException
-     * @global wpdb  $wpdb
-     * @deprecated instead use TableAnalysis::tableExists()
-     */
-    public static function table_exists($table_name)
-    {
-        return EEH_Activation::getTableAnalysis()->tableExists($table_name);
-    }
-
-
-    /**
-     * Resets the cache on EEH_Activation
-     */
-    public static function reset()
-    {
-        self::$_default_creator_id                             = null;
-        self::$_initialized_db_content_already_in_this_request = false;
-    }
-
-
-    /**
-     * Removes 'email_confirm' from the Address info question group on activation
-     *
-     * @return void
-     * @throws EE_Error
-     */
-    public static function removeEmailConfirmFromAddressGroup()
-    {
-
-        // Pull the email_confirm question ID.
-        $email_confirm_question_id = EEM_Question::instance()->get_Question_ID_from_system_string(
-            EEM_Attendee::system_question_email_confirm
-        );
-        // Remove the email_confirm question group from the address group questions.
-        EEM_Question_Group_Question::instance()->delete(
-            [
-                [
-                    'QST_ID'                    => $email_confirm_question_id,
-                    'Question_Group.QSG_system' => EEM_Question_Group::system_address,
-                ],
-            ]
-        );
-    }
+		$new_templates_created_for_messenger = self::_activate_and_generate_default_messengers_and_message_templates(
+			$message_resource_manager
+		);
+		/**
+		 * This method is verifying there are no NEW default message types
+		 * for ACTIVE messengers that need activated (and corresponding templates setup).
+		 */
+		$new_templates_created_for_message_type =
+			self::_activate_new_message_types_for_active_messengers_and_generate_default_templates(
+				$message_resource_manager
+			);
+		// after all is done, let's persist these changes to the db.
+		$message_resource_manager->update_has_activated_messengers_option();
+		$message_resource_manager->update_active_messengers_option();
+		// will return true if either of these are true.  Otherwise will return false.
+		return $new_templates_created_for_message_type || $new_templates_created_for_messenger;
+	}
+
+
+	/**
+	 * @param EE_Message_Resource_Manager $message_resource_manager
+	 * @return array|bool
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected static function _activate_new_message_types_for_active_messengers_and_generate_default_templates(
+		EE_Message_Resource_Manager $message_resource_manager
+	) {
+		$active_messengers       = $message_resource_manager->active_messengers();
+		$installed_message_types = $message_resource_manager->installed_message_types();
+		$templates_created       = false;
+		foreach ($active_messengers as $active_messenger) {
+			$default_message_type_names_for_messenger = $active_messenger->get_default_message_types();
+			$default_message_type_names_to_activate   = [];
+			// looping through each default message type reported by the messenger
+			// and setup the actual message types to activate.
+			foreach ($default_message_type_names_for_messenger as $default_message_type_name_for_messenger) {
+				// if already active or has already been activated before we skip
+				// (otherwise we might reactivate something user's intentionally deactivated.)
+				// we also skip if the message type is not installed.
+				if (
+					$message_resource_manager->has_message_type_been_activated_for_messenger(
+						$default_message_type_name_for_messenger,
+						$active_messenger->name
+					)
+					|| $message_resource_manager->is_message_type_active_for_messenger(
+						$active_messenger->name,
+						$default_message_type_name_for_messenger
+					)
+					|| ! isset($installed_message_types[ $default_message_type_name_for_messenger ])
+				) {
+					continue;
+				}
+				$default_message_type_names_to_activate[] = $default_message_type_name_for_messenger;
+			}
+			// let's activate!
+			$message_resource_manager->ensure_message_types_are_active(
+				$default_message_type_names_to_activate,
+				$active_messenger->name,
+				false
+			);
+			// activate the templates for these message types
+			if (! empty($default_message_type_names_to_activate)) {
+				$templates_created = EEH_MSG_Template::generate_new_templates(
+					$active_messenger->name,
+					$default_message_type_names_for_messenger,
+					'',
+					true
+				);
+			}
+		}
+		return $templates_created;
+	}
+
+
+	/**
+	 * This will activate and generate default messengers and default message types for those messengers.
+	 *
+	 * @param EE_message_Resource_Manager $message_resource_manager
+	 * @return array|bool  True means there were default messengers and message type templates generated.
+	 *                     False means that there were no templates generated
+	 *                     (which could simply mean there are no default message types for a messenger).
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	protected static function _activate_and_generate_default_messengers_and_message_templates(
+		EE_Message_Resource_Manager $message_resource_manager
+	) {
+		$messengers_to_generate  = self::_get_default_messengers_to_generate_on_activation($message_resource_manager);
+		$installed_message_types = $message_resource_manager->installed_message_types();
+		$templates_generated     = false;
+		foreach ($messengers_to_generate as $messenger_to_generate) {
+			$default_message_type_names_for_messenger = $messenger_to_generate->get_default_message_types();
+			// verify the default message types match an installed message type.
+			foreach ($default_message_type_names_for_messenger as $key => $name) {
+				if (
+					! isset($installed_message_types[ $name ])
+					|| $message_resource_manager->has_message_type_been_activated_for_messenger(
+						$name,
+						$messenger_to_generate->name
+					)
+				) {
+					unset($default_message_type_names_for_messenger[ $key ]);
+				}
+			}
+			// in previous iterations, the active_messengers option in the db
+			// needed updated before calling create templates. however with the changes this may not be necessary.
+			// This comment is left here just in case we discover that we _do_ need to update before
+			// passing off to create templates (after the refactor is done).
+			// @todo remove this comment when determined not necessary.
+			$message_resource_manager->activate_messenger(
+				$messenger_to_generate,
+				$default_message_type_names_for_messenger,
+				false
+			);
+			// create any templates needing created (or will reactivate templates already generated as necessary).
+			if (! empty($default_message_type_names_for_messenger)) {
+				$templates_generated = EEH_MSG_Template::generate_new_templates(
+					$messenger_to_generate->name,
+					$default_message_type_names_for_messenger,
+					'',
+					true
+				);
+			}
+		}
+		return $templates_generated;
+	}
+
+
+	/**
+	 * This returns the default messengers to generate templates for on activation of EE.
+	 * It considers:
+	 * - whether a messenger is already active in the db.
+	 * - whether a messenger has been made active at any time in the past.
+	 *
+	 * @param EE_Message_Resource_Manager $message_resource_manager
+	 * @return EE_messenger[]
+	 */
+	protected static function _get_default_messengers_to_generate_on_activation(
+		EE_Message_Resource_Manager $message_resource_manager
+	) {
+		$active_messengers    = $message_resource_manager->active_messengers();
+		$installed_messengers = $message_resource_manager->installed_messengers();
+		$has_activated        = $message_resource_manager->get_has_activated_messengers_option();
+
+		$messengers_to_generate = [];
+		foreach ($installed_messengers as $installed_messenger) {
+			// if installed messenger is a messenger that should be activated on install
+			// and is not already active
+			// and has never been activated
+			if (
+				! $installed_messenger->activate_on_install
+				|| isset($active_messengers[ $installed_messenger->name ])
+				|| isset($has_activated[ $installed_messenger->name ])
+			) {
+				continue;
+			}
+			$messengers_to_generate[ $installed_messenger->name ] = $installed_messenger;
+		}
+		return $messengers_to_generate;
+	}
+
+
+	/**
+	 * This simply validates active message types to ensure they actually match installed
+	 * message types.  If there's a mismatch then we deactivate the message type and ensure all related db
+	 * rows are set inactive.
+	 * Note: Messengers are no longer validated here as of 4.9.0 because they get validated automatically whenever
+	 * EE_Messenger_Resource_Manager is constructed.  Message Types are a bit more resource heavy for validation so they
+	 * are still handled in here.
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @since 4.3.1
+	 */
+	public static function validate_messages_system()
+	{
+		/** @type EE_Message_Resource_Manager $message_resource_manager */
+		$message_resource_manager = EE_Registry::instance()->load_lib('Message_Resource_Manager');
+		$message_resource_manager->validate_active_message_types_are_installed();
+		do_action('AHEE__EEH_Activation__validate_messages_system');
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function create_no_ticket_prices_array()
+	{
+		// this creates an array for tracking events that have no active ticket prices created
+		// this allows us to warn admins of the situation so that it can be corrected
+		$espresso_no_ticket_prices = get_option('ee_no_ticket_prices', false);
+		if (! $espresso_no_ticket_prices) {
+			add_option('ee_no_ticket_prices', [], '', false);
+		}
+	}
+
+
+	/**
+	 * @return void
+	 */
+	public static function plugin_deactivation()
+	{
+	}
+
+
+	/**
+	 * Finds all our EE4 custom post types, and deletes them and their associated data
+	 * (like post meta or term relations)
+	 *
+	 * @throws EE_Error
+	 * @global wpdb $wpdb
+	 */
+	public static function delete_all_espresso_cpt_data()
+	{
+		global $wpdb;
+		// get all the CPT post_types
+		$ee_post_types = [];
+		foreach (EE_Registry::instance()->non_abstract_db_models as $model_name) {
+			if (method_exists($model_name, 'instance')) {
+				$model_obj = call_user_func([$model_name, 'instance']);
+				if ($model_obj instanceof EEM_CPT_Base) {
+					$ee_post_types[] = $wpdb->prepare("%s", $model_obj->post_type());
+				}
+			}
+		}
+		// get all our CPTs
+		$query   = "SELECT ID FROM {$wpdb->posts} WHERE post_type IN (" . implode(",", $ee_post_types) . ")";
+		$cpt_ids = $wpdb->get_col($query);
+		// delete each post meta and term relations too
+		foreach ($cpt_ids as $post_id) {
+			wp_delete_post($post_id, true);
+		}
+	}
+
+
+	/**
+	 * Deletes all EE custom tables
+	 *
+	 * @return array
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function drop_espresso_tables()
+	{
+		$tables = [];
+		// load registry
+		foreach (EE_Registry::instance()->non_abstract_db_models as $model_name) {
+			if (method_exists($model_name, 'instance')) {
+				$model_obj = call_user_func([$model_name, 'instance']);
+				if ($model_obj instanceof EEM_Base) {
+					foreach ($model_obj->get_tables() as $table) {
+						if (
+							strpos($table->get_table_name(), 'esp_')
+							&& (
+								is_main_site()// main site? nuke them all
+								|| ! $table->is_global()// not main site,but not global either. nuke it
+							)
+						) {
+							$tables[ $table->get_table_name() ] = $table->get_table_name();
+						}
+					}
+				}
+			}
+		}
+
+		// there are some tables whose models were removed.
+		// they should be removed when removing all EE core's data
+		$tables_without_models = [
+			'esp_promotion',
+			'esp_promotion_applied',
+			'esp_promotion_object',
+			'esp_promotion_rule',
+			'esp_rule',
+		];
+		foreach ($tables_without_models as $table) {
+			$tables[ $table ] = $table;
+		}
+		return EEH_Activation::getTableManager()->dropTables($tables);
+	}
+
+
+	/**
+	 * Drops all the tables mentioned in a single MYSQL query. Double-checks
+	 * each table name provided has a wpdb prefix attached, and that it exists.
+	 * Returns the list actually deleted
+	 *
+	 * @param array $table_names
+	 * @return array of table names which we deleted
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @deprecated in 4.9.13. Instead use TableManager::dropTables()
+	 * @global WPDB $wpdb
+	 */
+	public static function drop_tables($table_names)
+	{
+		return EEH_Activation::getTableManager()->dropTables($table_names);
+	}
+
+
+	/**
+	 * plugin_uninstall
+	 *
+	 * @param bool $remove_all
+	 * @return void
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 */
+	public static function delete_all_espresso_tables_and_data($remove_all = true)
+	{
+		global $wpdb;
+		self::drop_espresso_tables();
+		$wp_options_to_delete = [
+			'ee_no_ticket_prices'                        => true,
+			'ee_active_messengers'                       => true,
+			'ee_has_activated_messenger'                 => true,
+			RewriteRules::OPTION_KEY_FLUSH_REWRITE_RULES => true,
+			'ee_config'                                  => false,
+			'ee_data_migration_current_db_state'         => true,
+			'ee_data_migration_mapping_'                 => false,
+			'ee_data_migration_script_'                  => false,
+			'ee_data_migrations'                         => true,
+			'ee_dms_map'                                 => false,
+			'ee_notices'                                 => true,
+			'lang_file_check_'                           => false,
+			'ee_maintenance_mode'                        => true,
+			'ee_ueip_optin'                              => true,
+			'ee_ueip_has_notified'                       => true,
+			'ee_plugin_activation_errors'                => true,
+			'ee_id_mapping_from'                         => false,
+			'espresso_persistent_admin_notices'          => true,
+			'ee_encryption_key'                          => true,
+			'pue_force_upgrade_'                         => false,
+			'pue_json_error_'                            => false,
+			'pue_install_key_'                           => false,
+			'pue_verification_error_'                    => false,
+			'pu_dismissed_upgrade_'                      => false,
+			'external_updates-'                          => false,
+			'ee_extra_data'                              => true,
+			'ee_ssn_'                                    => false,
+			'ee_rss_'                                    => false,
+			'ee_rte_n_tx_'                               => false,
+			'ee_pers_admin_notices'                      => true,
+			'ee_job_parameters_'                         => false,
+			'ee_upload_directories_incomplete'           => true,
+			'ee_verified_db_collations'                  => true,
+		];
+		if (is_main_site()) {
+			$wp_options_to_delete['ee_network_config'] = true;
+		}
+		$undeleted_options = [];
+		foreach ($wp_options_to_delete as $option_name => $no_wildcard) {
+			if ($no_wildcard) {
+				if (! delete_option($option_name)) {
+					$undeleted_options[] = $option_name;
+				}
+			} else {
+				$option_names_to_delete_from_wildcard =
+					$wpdb->get_col("SELECT option_name FROM $wpdb->options WHERE option_name LIKE '%$option_name%'");
+				foreach ($option_names_to_delete_from_wildcard as $option_name_from_wildcard) {
+					if (! delete_option($option_name_from_wildcard)) {
+						$undeleted_options[] = $option_name_from_wildcard;
+					}
+				}
+			}
+		}
+		// also, let's make sure the "ee_config_option_names" wp option stays out by removing the action that adds it
+		remove_action('shutdown', [EE_Config::instance(), 'shutdown']);
+		if ($remove_all && $espresso_db_update = get_option('espresso_db_update')) {
+			$db_update_sans_ee4 = [];
+			foreach ($espresso_db_update as $version => $times_activated) {
+				if ((string) $version[0] === '3') {// if its NON EE4
+					$db_update_sans_ee4[ $version ] = $times_activated;
+				}
+			}
+			update_option('espresso_db_update', $db_update_sans_ee4);
+		}
+		$errors = '';
+		if (! empty($undeleted_options)) {
+			$errors .= sprintf(
+				esc_html__('The following wp-options could not be deleted: %s%s', 'event_espresso'),
+				'<br/>',
+				implode(',<br/>', $undeleted_options)
+			);
+		}
+		if (! empty($errors)) {
+			EE_Error::add_attention($errors, __FILE__, __FUNCTION__, __LINE__);
+		}
+	}
+
+
+	/**
+	 * Gets the mysql error code from the last used query by wpdb
+	 *
+	 * @return int mysql error code, see https://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html
+	 */
+	public static function last_wpdb_error_code()
+	{
+		// phpcs:disable PHPCompatibility.Extensions.RemovedExtensions.mysql_DeprecatedRemoved
+		global $wpdb;
+		return $wpdb->use_mysqli ? mysqli_errno($wpdb->dbh) : mysql_errno($wpdb->dbh);
+		// phpcs:enable
+	}
+
+
+	/**
+	 * Checks that the database table exists. Also works on temporary tables (for unit tests mostly).
+	 *
+	 * @param string $table_name with or without $wpdb->prefix
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws ReflectionException
+	 * @global wpdb  $wpdb
+	 * @deprecated instead use TableAnalysis::tableExists()
+	 */
+	public static function table_exists($table_name)
+	{
+		return EEH_Activation::getTableAnalysis()->tableExists($table_name);
+	}
+
+
+	/**
+	 * Resets the cache on EEH_Activation
+	 */
+	public static function reset()
+	{
+		self::$_default_creator_id                             = null;
+		self::$_initialized_db_content_already_in_this_request = false;
+	}
+
+
+	/**
+	 * Removes 'email_confirm' from the Address info question group on activation
+	 *
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function removeEmailConfirmFromAddressGroup()
+	{
+
+		// Pull the email_confirm question ID.
+		$email_confirm_question_id = EEM_Question::instance()->get_Question_ID_from_system_string(
+			EEM_Attendee::system_question_email_confirm
+		);
+		// Remove the email_confirm question group from the address group questions.
+		EEM_Question_Group_Question::instance()->delete(
+			[
+				[
+					'QST_ID'                    => $email_confirm_question_id,
+					'Question_Group.QSG_system' => EEM_Question_Group::system_address,
+				],
+			]
+		);
+	}
 }

Spacing +53 added lines, -53 removed lines

@@ -58,7 +58,7 @@ 
      */
     public static function getTableAnalysis()
     {
-        if (! self::$table_analysis instanceof TableAnalysis) {
+        if ( ! self::$table_analysis instanceof TableAnalysis) {
             self::$table_analysis = EE_Registry::instance()->create('TableAnalysis', [], true);
         }
         return self::$table_analysis;
@@ -72,7 +72,7 @@ 
      */
     public static function getTableManager()
     {
-        if (! self::$table_manager instanceof TableManager) {
+        if ( ! self::$table_manager instanceof TableManager) {
             self::$table_manager = EE_Registry::instance()->create('TableManager', [], true);
         }
         return self::$table_manager;
@@ -186,7 +186,7 @@ 
         if ($which_to_include === 'old') {
             $cron_tasks = array_filter(
                 $cron_tasks,
-                function ($value) {
+                function($value) {
                     return $value === EEH_Activation::cron_task_no_longer_in_use;
                 }
             );
@@ -216,7 +216,7 @@ 
     {
 
         foreach (EEH_Activation::get_cron_tasks('current') as $hook_name => $frequency) {
-            if (! wp_next_scheduled($hook_name)) {
+            if ( ! wp_next_scheduled($hook_name)) {
                 /**
                  * This allows client code to define the initial start timestamp for this schedule.
                  */
@@ -269,15 +269,15 @@ 
             if (is_array($hooks_to_fire_at_time)) {
                 foreach ($hooks_to_fire_at_time as $hook_name => $hook_actions) {
                     if (
-                        isset($ee_cron_tasks_to_remove[ $hook_name ])
-                        && is_array($ee_cron_tasks_to_remove[ $hook_name ])
+                        isset($ee_cron_tasks_to_remove[$hook_name])
+                        && is_array($ee_cron_tasks_to_remove[$hook_name])
                     ) {
-                        unset($crons[ $timestamp ][ $hook_name ]);
+                        unset($crons[$timestamp][$hook_name]);
                     }
                 }
                 // also take care of any empty cron timestamps.
                 if (empty($hooks_to_fire_at_time)) {
-                    unset($crons[ $timestamp ]);
+                    unset($crons[$timestamp]);
                 }
             }
         }
@@ -316,7 +316,7 @@ 
             10,
             3
         );
-        if (! EE_Config::logging_enabled()) {
+        if ( ! EE_Config::logging_enabled()) {
             delete_option(EE_Config::LOG_NAME);
         }
     }
@@ -328,7 +328,7 @@ 
     public static function load_calendar_config()
     {
         // grab array of all plugin folders and loop thru it
-        $plugins = glob(WP_PLUGIN_DIR . '/*', GLOB_ONLYDIR);
+        $plugins = glob(WP_PLUGIN_DIR.'/*', GLOB_ONLYDIR);
         if (empty($plugins)) {
             return;
         }
@@ -345,7 +345,7 @@ 
                 || strpos($plugin, 'calendar') !== false
             ) {
                 // this is what we are looking for
-                $calendar_config = $plugin_path . '/EE_Calendar_Config.php';
+                $calendar_config = $plugin_path.'/EE_Calendar_Config.php';
                 // does it exist in this folder ?
                 if (is_readable($calendar_config)) {
                     // YEAH! let's load it
@@ -428,7 +428,7 @@ 
                 'code' => 'ESPRESSO_CANCELLED',
             ],
         ];
-        $EE_Core_Config        = EE_Registry::instance()->CFG->core;
+        $EE_Core_Config = EE_Registry::instance()->CFG->core;
         foreach ($critical_pages as $critical_page) {
             // is critical page ID set in config ?
             if ($EE_Core_Config->{$critical_page['id']} !== false) {
@@ -460,7 +460,7 @@ 
             ) {
                 // update Config with post ID
                 $EE_Core_Config->{$critical_page['id']} = $critical_page['post']->ID;
-                if (! EE_Config::instance()->update_espresso_config(false, false)) {
+                if ( ! EE_Config::instance()->update_espresso_config(false, false)) {
                     $msg = esc_html__(
                         'The Event Espresso critical page configuration settings could not be updated.',
                         'event_espresso'
@@ -483,7 +483,7 @@ 
                         'A potential issue has been detected with one or more of your Event Espresso pages. Go to %s to view your Event Espresso pages.',
                         'event_espresso'
                     ),
-                    '<a href="' . admin_url('admin.php?page=espresso_general_settings&action=critical_pages') . '">'
+                    '<a href="'.admin_url('admin.php?page=espresso_general_settings&action=critical_pages').'">'
                     . esc_html__('Event Espresso Critical Pages Settings', 'event_espresso')
                     . '</a>'
                 )
@@ -508,7 +508,7 @@ 
     public static function get_page_by_ee_shortcode($ee_shortcode)
     {
         global $wpdb;
-        $shortcode_and_opening_bracket = '[' . $ee_shortcode;
+        $shortcode_and_opening_bracket = '['.$ee_shortcode;
         $post_id                       =
             $wpdb->get_var("SELECT ID FROM {$wpdb->posts} WHERE post_content LIKE '%$shortcode_and_opening_bracket%' LIMIT 1");
         if ($post_id) {
@@ -533,11 +533,11 @@ 
             'post_status'    => 'publish',
             'post_type'      => 'page',
             'comment_status' => 'closed',
-            'post_content'   => '[' . $critical_page['code'] . ']',
+            'post_content'   => '['.$critical_page['code'].']',
         ];
 
         $post_id = wp_insert_post($post_args);
-        if (! $post_id) {
+        if ( ! $post_id) {
             $msg = sprintf(
                 esc_html__('The Event Espresso  critical page entitled "%s" could not be created.', 'event_espresso'),
                 $critical_page['name']
@@ -546,7 +546,7 @@ 
             return $critical_page;
         }
         // get newly created post's details
-        if (! $critical_page['post'] = get_post($post_id)) {
+        if ( ! $critical_page['post'] = get_post($post_id)) {
             $msg = sprintf(
                 esc_html__('The Event Espresso critical page entitled "%s" could not be retrieved.', 'event_espresso'),
                 $critical_page['name']
@@ -571,7 +571,7 @@ 
     public static function get_default_creator_id()
     {
         global $wpdb;
-        if (! empty(self::$_default_creator_id)) {
+        if ( ! empty(self::$_default_creator_id)) {
             return self::$_default_creator_id;
         }/**/
         $role_to_check = apply_filters('FHEE__EEH_Activation__get_default_creator_id__role_to_check', 'administrator');
@@ -587,7 +587,7 @@ 
         $capabilities_key = EEH_Activation::getTableAnalysis()->ensureTableNameHasPrefix('capabilities');
         $query            = $wpdb->prepare(
             "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$capabilities_key' AND meta_value LIKE %s ORDER BY user_id ASC LIMIT 0,1",
-            '%' . $role_to_check . '%'
+            '%'.$role_to_check.'%'
         );
         $user_id          = $wpdb->get_var($query);
         $user_id          = apply_filters('FHEE__EEH_Activation_Helper__get_default_creator_id__user_id', $user_id);
@@ -624,8 +624,8 @@ 
             return;
         }
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-        if (! function_exists('dbDelta')) {
-            require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
+        if ( ! function_exists('dbDelta')) {
+            require_once(ABSPATH.'wp-admin/includes/upgrade.php');
         }
         $tableAnalysis = EEH_Activation::getTableAnalysis();
         $wp_table_name = $tableAnalysis->ensureTableNameHasPrefix($table_name);
@@ -634,9 +634,9 @@ 
             // ok, delete the table... but ONLY if it's empty
             $deleted_safely = EEH_Activation::delete_db_table_if_empty($wp_table_name);
             // table is NOT empty, are you SURE you want to delete this table ???
-            if (! $deleted_safely && defined('EE_DROP_BAD_TABLES') && EE_DROP_BAD_TABLES) {
+            if ( ! $deleted_safely && defined('EE_DROP_BAD_TABLES') && EE_DROP_BAD_TABLES) {
                 EEH_Activation::getTableManager()->dropTable($wp_table_name);
-            } elseif (! $deleted_safely) {
+            } elseif ( ! $deleted_safely) {
                 // so we should be more cautious rather than just dropping tables so easily
                 error_log(
                     sprintf(
@@ -757,7 +757,7 @@ 
         EE_Registry::instance()->load_core('Data_Migration_Manager');
         // find the migration script that sets the database to be compatible with the code
         $dms_name = EE_Data_Migration_Manager::instance()->get_most_up_to_date_dms();
-        if (! $dms_name) {
+        if ( ! $dms_name) {
             EE_Error::add_error(
                 esc_html__(
                     'Could not determine most up-to-date data migration script from which to pull database schema
@@ -817,13 +817,13 @@ 
             // reset values array
             $QSG_values = [];
             // if we don't have what we should have (but use $QST_system as as string because that's what we got from the db)
-            if (! in_array("$QSG_system", $question_groups)) {
+            if ( ! in_array("$QSG_system", $question_groups)) {
                 // add it
                 switch ($QSG_system) {
                     case 1:
                         $QSG_values = [
                             'QSG_name'            => esc_html__('Personal Information', 'event_espresso'),
-                            'QSG_identifier'      => 'personal-information-' . time(),
+                            'QSG_identifier'      => 'personal-information-'.time(),
                             'QSG_desc'            => '',
                             'QSG_order'           => 1,
                             'QSG_show_group_name' => 1,
@@ -835,7 +835,7 @@ 
                     case 2:
                         $QSG_values = [
                             'QSG_name'            => esc_html__('Address Information', 'event_espresso'),
-                            'QSG_identifier'      => 'address-information-' . time(),
+                            'QSG_identifier'      => 'address-information-'.time(),
                             'QSG_desc'            => '',
                             'QSG_order'           => 2,
                             'QSG_show_group_name' => 1,
@@ -846,14 +846,14 @@ 
                         break;
                 }
                 // make sure we have some values before inserting them
-                if (! empty($QSG_values)) {
+                if ( ! empty($QSG_values)) {
                     // insert system question
                     $wpdb->insert(
                         $table_name,
                         $QSG_values,
                         ['%s', '%s', '%s', '%d', '%d', '%d', '%d', '%d']
                     );
-                    $QSG_IDs[ $QSG_system ] = $wpdb->insert_id;
+                    $QSG_IDs[$QSG_system] = $wpdb->insert_id;
                 }
             }
         }
@@ -868,7 +868,7 @@ 
         $address_system_group_questions  = ['address', 'address2', 'city', 'country', 'state', 'zip', 'phone'];
         $system_questions_not_in_group   = ['email_confirm'];
         // merge all of the system questions we should have
-        $QST_systems       = array_merge(
+        $QST_systems = array_merge(
             $personal_system_group_questions,
             $address_system_group_questions,
             $system_questions_not_in_group
@@ -880,7 +880,7 @@ 
             // reset values array
             $QST_values = [];
             // if we don't have what we should have
-            if (! in_array($QST_system, $questions)) {
+            if ( ! in_array($QST_system, $questions)) {
                 // add it
                 switch ($QST_system) {
                     case 'fname':
@@ -1056,7 +1056,7 @@ 
                         ];
                         break;
                 }
-                if (! empty($QST_values)) {
+                if ( ! empty($QST_values)) {
                     // insert system question
                     $wpdb->insert(
                         $table_name,
@@ -1074,8 +1074,8 @@ 
                         // QST_system should not be assigned to any group
                         continue;
                     }
-                    if (isset($QSG_IDs[ $system_question_we_want ])) {
-                        $QSG_ID = $QSG_IDs[ $system_question_we_want ];
+                    if (isset($QSG_IDs[$system_question_we_want])) {
+                        $QSG_ID = $QSG_IDs[$system_question_we_want];
                     } else {
                         $id_col = EEM_Question_Group::instance()
                                                     ->get_col([['QSG_system' => $system_question_we_want]]);
@@ -1124,7 +1124,7 @@ 
      */
     public static function insert_default_payment_methods()
     {
-        if (! EEM_Payment_Method::instance()->count_active(EEM_Payment_Method::scope_cart)) {
+        if ( ! EEM_Payment_Method::instance()->count_active(EEM_Payment_Method::scope_cart)) {
             EE_Registry::instance()->load_lib('Payment_Method_Manager');
             EE_Payment_Method_Manager::instance()->activate_a_payment_method_of_type('Invoice');
         } else {
@@ -1260,7 +1260,7 @@ 
                         $active_messenger->name,
                         $default_message_type_name_for_messenger
                     )
-                    || ! isset($installed_message_types[ $default_message_type_name_for_messenger ])
+                    || ! isset($installed_message_types[$default_message_type_name_for_messenger])
                 ) {
                     continue;
                 }
@@ -1273,7 +1273,7 @@ 
                 false
             );
             // activate the templates for these message types
-            if (! empty($default_message_type_names_to_activate)) {
+            if ( ! empty($default_message_type_names_to_activate)) {
                 $templates_created = EEH_MSG_Template::generate_new_templates(
                     $active_messenger->name,
                     $default_message_type_names_for_messenger,
@@ -1307,13 +1307,13 @@ 
             // verify the default message types match an installed message type.
             foreach ($default_message_type_names_for_messenger as $key => $name) {
                 if (
-                    ! isset($installed_message_types[ $name ])
+                    ! isset($installed_message_types[$name])
                     || $message_resource_manager->has_message_type_been_activated_for_messenger(
                         $name,
                         $messenger_to_generate->name
                     )
                 ) {
-                    unset($default_message_type_names_for_messenger[ $key ]);
+                    unset($default_message_type_names_for_messenger[$key]);
                 }
             }
             // in previous iterations, the active_messengers option in the db
@@ -1327,7 +1327,7 @@ 
                 false
             );
             // create any templates needing created (or will reactivate templates already generated as necessary).
-            if (! empty($default_message_type_names_for_messenger)) {
+            if ( ! empty($default_message_type_names_for_messenger)) {
                 $templates_generated = EEH_MSG_Template::generate_new_templates(
                     $messenger_to_generate->name,
                     $default_message_type_names_for_messenger,
@@ -1363,12 +1363,12 @@ 
             // and has never been activated
             if (
                 ! $installed_messenger->activate_on_install
-                || isset($active_messengers[ $installed_messenger->name ])
-                || isset($has_activated[ $installed_messenger->name ])
+                || isset($active_messengers[$installed_messenger->name])
+                || isset($has_activated[$installed_messenger->name])
             ) {
                 continue;
             }
-            $messengers_to_generate[ $installed_messenger->name ] = $installed_messenger;
+            $messengers_to_generate[$installed_messenger->name] = $installed_messenger;
         }
         return $messengers_to_generate;
     }
@@ -1404,7 +1404,7 @@ 
         // this creates an array for tracking events that have no active ticket prices created
         // this allows us to warn admins of the situation so that it can be corrected
         $espresso_no_ticket_prices = get_option('ee_no_ticket_prices', false);
-        if (! $espresso_no_ticket_prices) {
+        if ( ! $espresso_no_ticket_prices) {
             add_option('ee_no_ticket_prices', [], '', false);
         }
     }
@@ -1439,7 +1439,7 @@ 
             }
         }
         // get all our CPTs
-        $query   = "SELECT ID FROM {$wpdb->posts} WHERE post_type IN (" . implode(",", $ee_post_types) . ")";
+        $query   = "SELECT ID FROM {$wpdb->posts} WHERE post_type IN (".implode(",", $ee_post_types).")";
         $cpt_ids = $wpdb->get_col($query);
         // delete each post meta and term relations too
         foreach ($cpt_ids as $post_id) {
@@ -1471,7 +1471,7 @@ 
                                 || ! $table->is_global()// not main site,but not global either. nuke it
                             )
                         ) {
-                            $tables[ $table->get_table_name() ] = $table->get_table_name();
+                            $tables[$table->get_table_name()] = $table->get_table_name();
                         }
                     }
                 }
@@ -1488,7 +1488,7 @@ 
             'esp_rule',
         ];
         foreach ($tables_without_models as $table) {
-            $tables[ $table ] = $table;
+            $tables[$table] = $table;
         }
         return EEH_Activation::getTableManager()->dropTables($tables);
     }
@@ -1565,14 +1565,14 @@ 
         $undeleted_options = [];
         foreach ($wp_options_to_delete as $option_name => $no_wildcard) {
             if ($no_wildcard) {
-                if (! delete_option($option_name)) {
+                if ( ! delete_option($option_name)) {
                     $undeleted_options[] = $option_name;
                 }
             } else {
                 $option_names_to_delete_from_wildcard =
                     $wpdb->get_col("SELECT option_name FROM $wpdb->options WHERE option_name LIKE '%$option_name%'");
                 foreach ($option_names_to_delete_from_wildcard as $option_name_from_wildcard) {
-                    if (! delete_option($option_name_from_wildcard)) {
+                    if ( ! delete_option($option_name_from_wildcard)) {
                         $undeleted_options[] = $option_name_from_wildcard;
                     }
                 }
@@ -1584,20 +1584,20 @@ 
             $db_update_sans_ee4 = [];
             foreach ($espresso_db_update as $version => $times_activated) {
                 if ((string) $version[0] === '3') {// if its NON EE4
-                    $db_update_sans_ee4[ $version ] = $times_activated;
+                    $db_update_sans_ee4[$version] = $times_activated;
                 }
             }
             update_option('espresso_db_update', $db_update_sans_ee4);
         }
         $errors = '';
-        if (! empty($undeleted_options)) {
+        if ( ! empty($undeleted_options)) {
             $errors .= sprintf(
                 esc_html__('The following wp-options could not be deleted: %s%s', 'event_espresso'),
                 '<br/>',
                 implode(',<br/>', $undeleted_options)
             );
         }
-        if (! empty($errors)) {
+        if ( ! empty($errors)) {
             EE_Error::add_attention($errors, __FILE__, __FUNCTION__, __LINE__);
         }
     }

core/helpers/EEH_Line_Item.helper.php

Indentation +2053 added lines, -2053 removed lines

@@ -21,2057 +21,2057 @@
 class EEH_Line_Item
 {
 
-    /**
-     * Adds a simple item (unrelated to any other model object) to the provided PARENT line item.
-     * Does NOT automatically re-calculate the line item totals or update the related transaction.
-     * You should call recalculate_total_including_taxes() on the grant total line item after this
-     * to update the subtotals, and EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @param string       $name
-     * @param float        $unit_price
-     * @param string       $description
-     * @param int          $quantity
-     * @param boolean      $taxable
-     * @param boolean      $code if set to a value, ensures there is only one line item with that code
-     * @return boolean success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_unrelated_item(
-        EE_Line_Item $parent_line_item,
-        $name,
-        $unit_price,
-        $description = '',
-        $quantity = 1,
-        $taxable = false,
-        $code = null
-    ) {
-        $items_subtotal = self::get_pre_tax_subtotal($parent_line_item);
-        $line_item = EE_Line_Item::new_instance(array(
-            'LIN_name'       => $name,
-            'LIN_desc'       => $description,
-            'LIN_unit_price' => $unit_price,
-            'LIN_quantity'   => $quantity,
-            'LIN_percent'    => null,
-            'LIN_is_taxable' => $taxable,
-            'LIN_order'      => $items_subtotal instanceof EE_Line_Item ? count($items_subtotal->children()) : 0,
-            'LIN_total'      => (float) $unit_price * (int) $quantity,
-            'LIN_type'       => EEM_Line_Item::type_line_item,
-            'LIN_code'       => $code,
-        ));
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
-            $line_item,
-            $parent_line_item
-        );
-        return self::add_item($parent_line_item, $line_item);
-    }
-
-
-    /**
-     * Adds a simple item ( unrelated to any other model object) to the total line item,
-     * in the correct spot in the line item tree. Does not automatically
-     * re-calculate the line item totals, nor update the related transaction, nor upgrade the transaction's
-     * registrations' final prices (which should probably change because of this).
-     * You should call recalculate_total_including_taxes() on the grand total line item, then
-     * update the transaction's total, and EE_Registration_Processor::update_registration_final_prices()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @param string       $name
-     * @param float        $percentage_amount
-     * @param string       $description
-     * @param boolean      $taxable
-     * @return boolean success
-     * @throws EE_Error
-     */
-    public static function add_percentage_based_item(
-        EE_Line_Item $parent_line_item,
-        $name,
-        $percentage_amount,
-        $description = '',
-        $taxable = false
-    ) {
-        $line_item = EE_Line_Item::new_instance(array(
-            'LIN_name'       => $name,
-            'LIN_desc'       => $description,
-            'LIN_unit_price' => 0,
-            'LIN_percent'    => $percentage_amount,
-            'LIN_quantity'   => 1,
-            'LIN_is_taxable' => $taxable,
-            'LIN_total'      => (float) ($percentage_amount * ($parent_line_item->total() / 100)),
-            'LIN_type'       => EEM_Line_Item::type_line_item,
-            'LIN_parent'     => $parent_line_item->ID(),
-        ));
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__add_percentage_based_item__line_item',
-            $line_item
-        );
-        return $parent_line_item->add_child_line_item($line_item, false);
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     * ensures that ticket line item is saved, and that cart total has been recalculated.
-     * If this ticket has already been purchased, just increments its count.
-     * Automatically re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $total_line_item grand total line item of type EEM_Line_Item::type_total
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
-    {
-        if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'A valid line item total is required in order to add tickets. A line item of type "%s" was passed.',
-                        'event_espresso'
-                    ),
-                    $ticket->ID(),
-                    $total_line_item->ID()
-                )
-            );
-        }
-        // either increment the qty for an existing ticket
-        $line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
-        // or add a new one
-        if (! $line_item instanceof EE_Line_Item) {
-            $line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
-        }
-        $total_line_item->recalculate_total_including_taxes();
-        return $line_item;
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function increment_ticket_qty_if_already_in_cart(
-        EE_Line_Item $total_line_item,
-        EE_Ticket $ticket,
-        $qty = 1
-    ) {
-        $line_item = null;
-        if ($total_line_item instanceof EE_Line_Item && $total_line_item->is_total()) {
-            $ticket_line_items = EEH_Line_Item::get_ticket_line_items($total_line_item);
-            foreach ((array) $ticket_line_items as $ticket_line_item) {
-                if (
-                    $ticket_line_item instanceof EE_Line_Item
-                    && (int) $ticket_line_item->OBJ_ID() === (int) $ticket->ID()
-                ) {
-                    $line_item = $ticket_line_item;
-                    break;
-                }
-            }
-        }
-        if ($line_item instanceof EE_Line_Item) {
-            EEH_Line_Item::increment_quantity($line_item, $qty);
-            return $line_item;
-        }
-        return null;
-    }
-
-
-    /**
-     * Increments the line item and all its children's quantity by $qty (but percent line items are unaffected).
-     * Does NOT save or recalculate other line items totals
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
-    {
-        if (! $line_item->is_percent()) {
-            $qty += $line_item->quantity();
-            $line_item->set_quantity($qty);
-            $line_item->set_total($line_item->unit_price() * $qty);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $qty);
-            }
-        }
-    }
-
-
-    /**
-     * Decrements the line item and all its children's quantity by $qty (but percent line items are unaffected).
-     * Does NOT save or recalculate other line items totals
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $qty
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
-    {
-        if (! $line_item->is_percent()) {
-            $qty = $line_item->quantity() - $qty;
-            $qty = max($qty, 0);
-            $line_item->set_quantity($qty);
-            $line_item->set_total($line_item->unit_price() * $qty);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $qty);
-            }
-        }
-    }
-
-
-    /**
-     * Updates the line item and its children's quantities to the specified number.
-     * Does NOT save them or recalculate totals.
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $new_quantity
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
-    {
-        if (! $line_item->is_percent()) {
-            $line_item->set_quantity($new_quantity);
-            $line_item->set_total($line_item->unit_price() * $new_quantity);
-            $line_item->save();
-        }
-        foreach ($line_item->children() as $child) {
-            if ($child->is_sub_line_item()) {
-                EEH_Line_Item::update_quantity($child, $new_quantity);
-            }
-        }
-    }
-
-
-    /**
-     * Returns the new line item created by adding a purchase of the ticket
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @param EE_Ticket    $ticket
-     * @param int          $qty
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_ticket_line_item(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
-    {
-        $datetimes = $ticket->datetimes();
-        $first_datetime = reset($datetimes);
-        $first_datetime_name = esc_html__('Event', 'event_espresso');
-        if ($first_datetime instanceof EE_Datetime && $first_datetime->event() instanceof EE_Event) {
-            $first_datetime_name = $first_datetime->event()->name();
-        }
-        $event = sprintf(_x('(For %1$s)', '(For Event Name)', 'event_espresso'), $first_datetime_name);
-        // get event subtotal line
-        $events_sub_total = self::get_event_line_item_for_ticket($total_line_item, $ticket);
-        // add $ticket to cart
-        $line_item = EE_Line_Item::new_instance(array(
-            'LIN_name'       => $ticket->name(),
-            'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
-            'LIN_unit_price' => $ticket->price(),
-            'LIN_quantity'   => $qty,
-            'LIN_is_taxable' => $ticket->taxable(),
-            'LIN_order'      => count($events_sub_total->children()),
-            'LIN_total'      => $ticket->price() * $qty,
-            'LIN_type'       => EEM_Line_Item::type_line_item,
-            'OBJ_ID'         => $ticket->ID(),
-            'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_TICKET,
-        ));
-        $line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_ticket_line_item__line_item',
-            $line_item
-        );
-        $events_sub_total->add_child_line_item($line_item);
-        // now add the sub-line items
-        $running_total_for_ticket = 0;
-        foreach ($ticket->prices(array('order_by' => array('PRC_order' => 'ASC'))) as $price) {
-            $sign = $price->is_discount() ? -1 : 1;
-            $price_total = $price->is_percent()
-                ? $running_total_for_ticket * $price->amount() / 100
-                : $price->amount() * $qty;
-            $sub_line_item = EE_Line_Item::new_instance(array(
-                'LIN_name'       => $price->name(),
-                'LIN_desc'       => $price->desc(),
-                'LIN_quantity'   => $price->is_percent() ? null : $qty,
-                'LIN_is_taxable' => false,
-                'LIN_order'      => $price->order(),
-                'LIN_total'      => $sign * $price_total,
-                'LIN_type'       => EEM_Line_Item::type_sub_line_item,
-                'OBJ_ID'         => $price->ID(),
-                'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
-            ));
-            $sub_line_item = apply_filters(
-                'FHEE__EEH_Line_Item__create_ticket_line_item__sub_line_item',
-                $sub_line_item
-            );
-            if ($price->is_percent()) {
-                $sub_line_item->set_percent($sign * $price->amount());
-            } else {
-                $sub_line_item->set_unit_price($sign * $price->amount());
-            }
-            $running_total_for_ticket += $price_total;
-            $line_item->add_child_line_item($sub_line_item);
-        }
-        return $line_item;
-    }
-
-
-    /**
-     * Adds the specified item under the pre-tax-sub-total line item. Automatically
-     * re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Line_Item $item to be added
-     * @return boolean
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function add_item(EE_Line_Item $total_line_item, EE_Line_Item $item)
-    {
-        $pre_tax_subtotal = self::get_pre_tax_subtotal($total_line_item);
-        if ($pre_tax_subtotal instanceof EE_Line_Item) {
-            $success = $pre_tax_subtotal->add_child_line_item($item);
-        } else {
-            return false;
-        }
-        $total_line_item->recalculate_total_including_taxes();
-        return $success;
-    }
-
-
-    /**
-     * cancels an existing ticket line item,
-     * by decrementing it's quantity by 1 and adding a new "type_cancellation" sub-line-item.
-     * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
-     *
-     * @param EE_Line_Item $ticket_line_item
-     * @param int          $qty
-     * @return bool success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function cancel_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
-    {
-        // validate incoming line_item
-        if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied line item must have an Object Type of "Ticket", not %1$s.',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->type()
-                )
-            );
-        }
-        if ($ticket_line_item->quantity() < $qty) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Can not cancel %1$d ticket(s) because the supplied line item has a quantity of %2$d.',
-                        'event_espresso'
-                    ),
-                    $qty,
-                    $ticket_line_item->quantity()
-                )
-            );
-        }
-        // decrement ticket quantity; don't rely on auto-fixing when recalculating totals to do this
-        $ticket_line_item->set_quantity($ticket_line_item->quantity() - $qty);
-        foreach ($ticket_line_item->children() as $child_line_item) {
-            if (
-                $child_line_item->is_sub_line_item()
-                && ! $child_line_item->is_percent()
-                && ! $child_line_item->is_cancellation()
-            ) {
-                $child_line_item->set_quantity($child_line_item->quantity() - $qty);
-            }
-        }
-        // get cancellation sub line item
-        $cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
-            $ticket_line_item,
-            EEM_Line_Item::type_cancellation
-        );
-        $cancellation_line_item = reset($cancellation_line_item);
-        // verify that this ticket was indeed previously cancelled
-        if ($cancellation_line_item instanceof EE_Line_Item) {
-            // increment cancelled quantity
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() + $qty);
-        } else {
-            // create cancellation sub line item
-            $cancellation_line_item = EE_Line_Item::new_instance(array(
-                'LIN_name'       => esc_html__('Cancellation', 'event_espresso'),
-                'LIN_desc'       => sprintf(
-                    esc_html_x(
-                        'Cancelled %1$s : %2$s',
-                        'Cancelled Ticket Name : 2015-01-01 11:11',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->name(),
-                    current_time(get_option('date_format') . ' ' . get_option('time_format'))
-                ),
-                'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
-                'LIN_quantity'   => $qty,
-                'LIN_is_taxable' => $ticket_line_item->is_taxable(),
-                'LIN_order'      => count($ticket_line_item->children()),
-                'LIN_total'      => 0, // $ticket_line_item->unit_price()
-                'LIN_type'       => EEM_Line_Item::type_cancellation,
-            ));
-            $ticket_line_item->add_child_line_item($cancellation_line_item);
-        }
-        if ($ticket_line_item->save_this_and_descendants() > 0) {
-            // decrement parent line item quantity
-            $event_line_item = $ticket_line_item->parent();
-            if (
-                $event_line_item instanceof EE_Line_Item
-                && $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            ) {
-                $event_line_item->set_quantity($event_line_item->quantity() - $qty);
-                $event_line_item->save();
-            }
-            EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * reinstates (un-cancels?) a previously canceled ticket line item,
-     * by incrementing it's quantity by 1, and decrementing it's "type_cancellation" sub-line-item.
-     * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
-     *
-     * @param EE_Line_Item $ticket_line_item
-     * @param int          $qty
-     * @return bool success
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function reinstate_canceled_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
-    {
-        // validate incoming line_item
-        if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied line item must have an Object Type of "Ticket", not %1$s.',
-                        'event_espresso'
-                    ),
-                    $ticket_line_item->type()
-                )
-            );
-        }
-        // get cancellation sub line item
-        $cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
-            $ticket_line_item,
-            EEM_Line_Item::type_cancellation
-        );
-        $cancellation_line_item = reset($cancellation_line_item);
-        // verify that this ticket was indeed previously cancelled
-        if (! $cancellation_line_item instanceof EE_Line_Item) {
-            return false;
-        }
-        if ($cancellation_line_item->quantity() > $qty) {
-            // decrement cancelled quantity
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
-        } elseif ($cancellation_line_item->quantity() === $qty) {
-            // decrement cancelled quantity in case anyone still has the object kicking around
-            $cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
-            // delete because quantity will end up as 0
-            $cancellation_line_item->delete();
-            // and attempt to destroy the object,
-            // even though PHP won't actually destroy it until it needs the memory
-            unset($cancellation_line_item);
-        } else {
-            // what ?!?! negative quantity ?!?!
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'Can not reinstate %1$d cancelled ticket(s) because the cancelled ticket quantity is only %2$d.',
-                        'event_espresso'
-                    ),
-                    $qty,
-                    $cancellation_line_item->quantity()
-                )
-            );
-        }
-        // increment ticket quantity
-        $ticket_line_item->set_quantity($ticket_line_item->quantity() + $qty);
-        if ($ticket_line_item->save_this_and_descendants() > 0) {
-            // increment parent line item quantity
-            $event_line_item = $ticket_line_item->parent();
-            if (
-                $event_line_item instanceof EE_Line_Item
-                && $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            ) {
-                $event_line_item->set_quantity($event_line_item->quantity() + $qty);
-            }
-            EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * calls EEH_Line_Item::find_transaction_grand_total_for_line_item()
-     * then EE_Line_Item::recalculate_total_including_taxes() on the result
-     *
-     * @param EE_Line_Item $line_item
-     * @return float
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_grand_total_and_recalculate_everything(EE_Line_Item $line_item)
-    {
-        $grand_total_line_item = EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item);
-        return $grand_total_line_item->recalculate_total_including_taxes();
-    }
-
-
-    /**
-     * Gets the line item which contains the subtotal of all the items
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_pre_tax_subtotal(EE_Line_Item $total_line_item)
-    {
-        $pre_tax_subtotal = $total_line_item->get_child_line_item('pre-tax-subtotal');
-        return $pre_tax_subtotal instanceof EE_Line_Item
-            ? $pre_tax_subtotal
-            : self::create_pre_tax_subtotal($total_line_item);
-    }
-
-
-    /**
-     * Gets the line item for the taxes subtotal
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_taxes_subtotal(EE_Line_Item $total_line_item)
-    {
-        $taxes = $total_line_item->get_child_line_item('taxes');
-        return $taxes ? $taxes : self::create_taxes_subtotal($total_line_item);
-    }
-
-
-    /**
-     * sets the TXN ID on an EE_Line_Item if passed a valid EE_Transaction object
-     *
-     * @param EE_Line_Item   $line_item
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_TXN_ID(EE_Line_Item $line_item, $transaction = null)
-    {
-        if ($transaction) {
-            /** @type EEM_Transaction $EEM_Transaction */
-            $EEM_Transaction = EE_Registry::instance()->load_model('Transaction');
-            $TXN_ID = $EEM_Transaction->ensure_is_ID($transaction);
-            $line_item->set_TXN_ID($TXN_ID);
-        }
-    }
-
-
-    /**
-     * Creates a new default total line item for the transaction,
-     * and its tickets subtotal and taxes subtotal line items (and adds the
-     * existing taxes as children of the taxes subtotal line item)
-     *
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item of type total
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_total_line_item($transaction = null)
-    {
-        $total_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code' => 'total',
-            'LIN_name' => esc_html__('Grand Total', 'event_espresso'),
-            'LIN_type' => EEM_Line_Item::type_total,
-            'OBJ_type' => EEM_Line_Item::OBJ_TYPE_TRANSACTION,
-        ));
-        $total_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_total_line_item__total_line_item',
-            $total_line_item
-        );
-        self::set_TXN_ID($total_line_item, $transaction);
-        self::create_pre_tax_subtotal($total_line_item, $transaction);
-        self::create_taxes_subtotal($total_line_item, $transaction);
-        return $total_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function create_pre_tax_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        $pre_tax_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code' => 'pre-tax-subtotal',
-            'LIN_name' => esc_html__('Pre-Tax Subtotal', 'event_espresso'),
-            'LIN_type' => EEM_Line_Item::type_sub_total,
-        ));
-        $pre_tax_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_pre_tax_subtotal__pre_tax_line_item',
-            $pre_tax_line_item
-        );
-        self::set_TXN_ID($pre_tax_line_item, $transaction);
-        $total_line_item->add_child_line_item($pre_tax_line_item);
-        self::create_event_subtotal($pre_tax_line_item, $transaction);
-        return $pre_tax_line_item;
-    }
-
-
-    /**
-     * Creates a line item for the taxes subtotal and finds all the tax prices
-     * and applies taxes to it
-     *
-     * @param EE_Line_Item   $total_line_item of type EEM_Line_Item::type_total
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function create_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        $tax_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code'  => 'taxes',
-            'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
-            'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
-            'LIN_order' => 1000,// this should always come last
-        ));
-        $tax_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
-            $tax_line_item
-        );
-        self::set_TXN_ID($tax_line_item, $transaction);
-        $total_line_item->add_child_line_item($tax_line_item);
-        // and lastly, add the actual taxes
-        self::apply_taxes($total_line_item);
-        return $tax_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $pre_tax_line_item
-     * @param EE_Transaction $transaction
-     * @param EE_Event       $event
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_event_subtotal(EE_Line_Item $pre_tax_line_item, $transaction = null, $event = null)
-    {
-        $event_line_item = EE_Line_Item::new_instance(array(
-            'LIN_code' => self::get_event_code($event),
-            'LIN_name' => self::get_event_name($event),
-            'LIN_desc' => self::get_event_desc($event),
-            'LIN_type' => EEM_Line_Item::type_sub_total,
-            'OBJ_type' => EEM_Line_Item::OBJ_TYPE_EVENT,
-            'OBJ_ID'   => $event instanceof EE_Event ? $event->ID() : 0,
-        ));
-        $event_line_item = apply_filters(
-            'FHEE__EEH_Line_Item__create_event_subtotal__event_line_item',
-            $event_line_item
-        );
-        self::set_TXN_ID($event_line_item, $transaction);
-        $pre_tax_line_item->add_child_line_item($event_line_item);
-        return $event_line_item;
-    }
-
-
-    /**
-     * Gets what the event ticket's code SHOULD be
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_code($event)
-    {
-        return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
-    }
-
-
-    /**
-     * Gets the event name
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_name($event)
-    {
-        return $event instanceof EE_Event
-            ? mb_substr($event->name(), 0, 245)
-            : esc_html__('Event', 'event_espresso');
-    }
-
-
-    /**
-     * Gets the event excerpt
-     *
-     * @param EE_Event $event
-     * @return string
-     * @throws EE_Error
-     */
-    public static function get_event_desc($event)
-    {
-        return $event instanceof EE_Event ? $event->short_description() : '';
-    }
-
-
-    /**
-     * Given the grand total line item and a ticket, finds the event sub-total
-     * line item the ticket's purchase should be added onto
-     *
-     * @access public
-     * @param EE_Line_Item $grand_total the grand total line item
-     * @param EE_Ticket    $ticket
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
-    {
-        $first_datetime = $ticket->first_datetime();
-        if (! $first_datetime instanceof EE_Datetime) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
-                    $ticket->ID()
-                )
-            );
-        }
-        $event = $first_datetime->event();
-        if (! $event instanceof EE_Event) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'The supplied ticket (ID %d) has no event data associated with it.',
-                        'event_espresso'
-                    ),
-                    $ticket->ID()
-                )
-            );
-        }
-        $events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
-        if (! $events_sub_total instanceof EE_Line_Item) {
-            throw new EE_Error(
-                sprintf(
-                    esc_html__(
-                        'There is no events sub-total for ticket %s on total line item %d',
-                        'event_espresso'
-                    ),
-                    $ticket->ID(),
-                    $grand_total->ID()
-                )
-            );
-        }
-        return $events_sub_total;
-    }
-
-
-    /**
-     * Gets the event line item
-     *
-     * @param EE_Line_Item $grand_total
-     * @param EE_Event     $event
-     * @return EE_Line_Item for the event subtotal which is a child of $grand_total
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_event_line_item(EE_Line_Item $grand_total, $event)
-    {
-        /** @type EE_Event $event */
-        $event = EEM_Event::instance()->ensure_is_obj($event, true);
-        $event_line_item = null;
-        $found = false;
-        foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
-            // default event subtotal, we should only ever find this the first time this method is called
-            if (! $event_line_item->OBJ_ID()) {
-                // let's use this! but first... set the event details
-                EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
-                $found = true;
-                break;
-            }
-            if ($event_line_item->OBJ_ID() === $event->ID()) {
-                // found existing line item for this event in the cart, so break out of loop and use this one
-                $found = true;
-                break;
-            }
-        }
-        if (! $found) {
-            // there is no event sub-total yet, so add it
-            $pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
-            // create a new "event" subtotal below that
-            $event_line_item = EEH_Line_Item::create_event_subtotal($pre_tax_subtotal, null, $event);
-            // and set the event details
-            EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
-        }
-        return $event_line_item;
-    }
-
-
-    /**
-     * Creates a default items subtotal line item
-     *
-     * @param EE_Line_Item   $event_line_item
-     * @param EE_Event       $event
-     * @param EE_Transaction $transaction
-     * @return void
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_event_subtotal_details(
-        EE_Line_Item $event_line_item,
-        EE_Event $event,
-        $transaction = null
-    ) {
-        if ($event instanceof EE_Event) {
-            $event_line_item->set_code(self::get_event_code($event));
-            $event_line_item->set_name(self::get_event_name($event));
-            $event_line_item->set_desc(self::get_event_desc($event));
-            $event_line_item->set_OBJ_ID($event->ID());
-        }
-        self::set_TXN_ID($event_line_item, $transaction);
-    }
-
-
-    /**
-     * Finds what taxes should apply, adds them as tax line items under the taxes sub-total,
-     * and recalculates the taxes sub-total and the grand total. Resets the taxes, so
-     * any old taxes are removed
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @param bool         $update_txn_status
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     * @throws RuntimeException
-     */
-    public static function apply_taxes(EE_Line_Item $total_line_item, $update_txn_status = false)
-    {
-        /** @type EEM_Price $EEM_Price */
-        $EEM_Price = EE_Registry::instance()->load_model('Price');
-        // get array of taxes via Price Model
-        $ordered_taxes = $EEM_Price->get_all_prices_that_are_taxes();
-        ksort($ordered_taxes);
-        $taxes_line_item = self::get_taxes_subtotal($total_line_item);
-        // just to be safe, remove its old tax line items
-        $deleted = $taxes_line_item->delete_children_line_items();
-        $updates = false;
-        // loop thru taxes
-        foreach ($ordered_taxes as $order => $taxes) {
-            foreach ($taxes as $tax) {
-                if ($tax instanceof EE_Price) {
-                    $tax_line_item = EE_Line_Item::new_instance(
-                        array(
-                            'LIN_name'       => $tax->name(),
-                            'LIN_desc'       => $tax->desc(),
-                            'LIN_percent'    => $tax->amount(),
-                            'LIN_is_taxable' => false,
-                            'LIN_order'      => $order,
-                            'LIN_total'      => 0,
-                            'LIN_type'       => EEM_Line_Item::type_tax,
-                            'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
-                            'OBJ_ID'         => $tax->ID(),
-                        )
-                    );
-                    $tax_line_item = apply_filters(
-                        'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
-                        $tax_line_item
-                    );
-                    $updates = $taxes_line_item->add_child_line_item($tax_line_item) ?
-                        true :
-                        $updates;
-                }
-            }
-        }
-        // only recalculate totals if something changed
-        if ($deleted || $updates) {
-            $total_line_item->recalculate_total_including_taxes($update_txn_status);
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
-     * Ensures that taxes have been applied to the order, if not applies them.
-     * Returns the total amount of tax
-     *
-     * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
-     * @return float
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function ensure_taxes_applied($total_line_item)
-    {
-        $taxes_subtotal = self::get_taxes_subtotal($total_line_item);
-        if (! $taxes_subtotal->children()) {
-            self::apply_taxes($total_line_item);
-        }
-        return $taxes_subtotal->total();
-    }
-
-
-    /**
-     * Deletes ALL children of the passed line item
-     *
-     * @param EE_Line_Item $parent_line_item
-     * @return bool
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function delete_all_child_items(EE_Line_Item $parent_line_item)
-    {
-        $deleted = 0;
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                $deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
-                if ($child_line_item->ID()) {
-                    $child_line_item->delete();
-                    unset($child_line_item);
-                } else {
-                    $parent_line_item->delete_child_line_item($child_line_item->code());
-                }
-                $deleted++;
-            }
-        }
-        return $deleted;
-    }
-
-
-    /**
-     * Deletes the line items as indicated by the line item code(s) provided,
-     * regardless of where they're found in the line item tree. Automatically
-     * re-calculates the line item totals and updates the related transaction. But
-     * DOES NOT automatically upgrade the transaction's registrations' final prices (which
-     * should probably change because of this).
-     * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
-     * after using this, to keep the registration final prices in-sync with the transaction's total.
-     *
-     * @param EE_Line_Item      $total_line_item of type EEM_Line_Item::type_total
-     * @param array|bool|string $line_item_codes
-     * @return int number of items successfully removed
-     * @throws EE_Error
-     */
-    public static function delete_items(EE_Line_Item $total_line_item, $line_item_codes = false)
-    {
-
-        if ($total_line_item->type() !== EEM_Line_Item::type_total) {
-            EE_Error::doing_it_wrong(
-                'EEH_Line_Item::delete_items',
-                esc_html__(
-                    'This static method should only be called with a TOTAL line item, otherwise we won\'t recalculate the totals correctly',
-                    'event_espresso'
-                ),
-                '4.6.18'
-            );
-        }
-        do_action('AHEE_log', __FILE__, __FUNCTION__, '');
-
-        // check if only a single line_item_id was passed
-        if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
-            // place single line_item_id in an array to appear as multiple line_item_ids
-            $line_item_codes = array($line_item_codes);
-        }
-        $removals = 0;
-        // cycle thru line_item_ids
-        foreach ($line_item_codes as $line_item_id) {
-            $removals += $total_line_item->delete_child_line_item($line_item_id);
-        }
-
-        if ($removals > 0) {
-            $total_line_item->recalculate_taxes_and_tax_total();
-            return $removals;
-        } else {
-            return false;
-        }
-    }
-
-
-    /**
-     * Overwrites the previous tax by clearing out the old taxes, and creates a new
-     * tax and updates the total line item accordingly
-     *
-     * @param EE_Line_Item $total_line_item
-     * @param float        $amount
-     * @param string       $name
-     * @param string       $description
-     * @param string       $code
-     * @param boolean      $add_to_existing_line_item
-     *                          if true, and a duplicate line item with the same code is found,
-     *                          $amount will be added onto it; otherwise will simply set the taxes to match $amount
-     * @return EE_Line_Item the new tax line item created
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function set_total_tax_to(
-        EE_Line_Item $total_line_item,
-        $amount,
-        $name = null,
-        $description = null,
-        $code = null,
-        $add_to_existing_line_item = false
-    ) {
-        $tax_subtotal = self::get_taxes_subtotal($total_line_item);
-        $taxable_total = $total_line_item->taxable_total();
-
-        if ($add_to_existing_line_item) {
-            $new_tax = $tax_subtotal->get_child_line_item($code);
-            EEM_Line_Item::instance()->delete(
-                array(array('LIN_code' => array('!=', $code), 'LIN_parent' => $tax_subtotal->ID()))
-            );
-        } else {
-            $new_tax = null;
-            $tax_subtotal->delete_children_line_items();
-        }
-        if ($new_tax) {
-            $new_tax->set_total($new_tax->total() + $amount);
-            $new_tax->set_percent($taxable_total ? $new_tax->total() / $taxable_total * 100 : 0);
-        } else {
-            // no existing tax item. Create it
-            $new_tax = EE_Line_Item::new_instance(array(
-                'TXN_ID'      => $total_line_item->TXN_ID(),
-                'LIN_name'    => $name ? $name : esc_html__('Tax', 'event_espresso'),
-                'LIN_desc'    => $description ? $description : '',
-                'LIN_percent' => $taxable_total ? ($amount / $taxable_total * 100) : 0,
-                'LIN_total'   => $amount,
-                'LIN_parent'  => $tax_subtotal->ID(),
-                'LIN_type'    => EEM_Line_Item::type_tax,
-                'LIN_code'    => $code,
-            ));
-        }
-
-        $new_tax = apply_filters(
-            'FHEE__EEH_Line_Item__set_total_tax_to__new_tax_subtotal',
-            $new_tax,
-            $total_line_item
-        );
-        $new_tax->save();
-        $tax_subtotal->set_total($new_tax->total());
-        $tax_subtotal->save();
-        $total_line_item->recalculate_total_including_taxes();
-        return $new_tax;
-    }
-
-
-    /**
-     * Makes all the line items which are children of $line_item taxable (or not).
-     * Does NOT save the line items
-     *
-     * @param EE_Line_Item $line_item
-     * @param boolean      $taxable
-     * @param string       $code_substring_for_whitelist if this string is part of the line item's code
-     *                                                   it will be whitelisted (ie, except from becoming taxable)
-     * @throws EE_Error
-     */
-    public static function set_line_items_taxable(
-        EE_Line_Item $line_item,
-        $taxable = true,
-        $code_substring_for_whitelist = null
-    ) {
-        $whitelisted = false;
-        if ($code_substring_for_whitelist !== null) {
-            $whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
-        }
-        if (! $whitelisted && $line_item->is_line_item()) {
-            $line_item->set_is_taxable($taxable);
-        }
-        foreach ($line_item->children() as $child_line_item) {
-            EEH_Line_Item::set_line_items_taxable(
-                $child_line_item,
-                $taxable,
-                $code_substring_for_whitelist
-            );
-        }
-    }
-
-
-    /**
-     * Gets all descendants that are event subtotals
-     *
-     * @uses  EEH_Line_Item::get_subtotals_of_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_event_subtotals(EE_Line_Item $parent_line_item)
-    {
-        return self::get_subtotals_of_object_type($parent_line_item, EEM_Line_Item::OBJ_TYPE_EVENT);
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $obj_type
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_subtotals_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            EEM_Line_Item::type_sub_total,
-            $obj_type
-        );
-    }
-
-
-    /**
-     * Gets all descendants that are tickets
-     *
-     * @uses  EEH_Line_Item::get_line_items_of_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_ticket_line_items(EE_Line_Item $parent_line_item)
-    {
-        return self::get_line_items_of_object_type(
-            $parent_line_item,
-            EEM_Line_Item::OBJ_TYPE_TICKET
-        );
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $obj_type
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_line_items_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            EEM_Line_Item::type_line_item,
-            $obj_type
-        );
-    }
-
-
-    /**
-     * Gets all the descendants (ie, children or children of children etc) that are of the type 'tax'
-     *
-     * @uses  EEH_Line_Item::get_descendants_of_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_tax_descendants(EE_Line_Item $parent_line_item)
-    {
-        return EEH_Line_Item::get_descendants_of_type(
-            $parent_line_item,
-            EEM_Line_Item::type_tax
-        );
-    }
-
-
-    /**
-     * Gets all the real items purchased which are children of this item
-     *
-     * @uses  EEH_Line_Item::get_descendants_of_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_line_item_descendants(EE_Line_Item $parent_line_item)
-    {
-        return EEH_Line_Item::get_descendants_of_type(
-            $parent_line_item,
-            EEM_Line_Item::type_line_item
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $line_item_type   one of the EEM_Line_Item constants
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_descendants_of_type(EE_Line_Item $parent_line_item, $line_item_type)
-    {
-        return self::_get_descendants_by_type_and_object_type(
-            $parent_line_item,
-            $line_item_type,
-            null
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
-     * as well
-     *
-     * @param EE_Line_Item  $parent_line_item - the line item to find descendants of
-     * @param string        $line_item_type   one of the EEM_Line_Item constants
-     * @param string | NULL $obj_type         object model class name (minus prefix) or NULL to ignore object type when
-     *                                        searching
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    protected static function _get_descendants_by_type_and_object_type(
-        EE_Line_Item $parent_line_item,
-        $line_item_type,
-        $obj_type = null
-    ) {
-        $objects = array();
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                if (
-                    $child_line_item->type() === $line_item_type
-                    && (
-                        $child_line_item->OBJ_type() === $obj_type || $obj_type === null
-                    )
-                ) {
-                    $objects[] = $child_line_item;
-                } else {
-                    // go-through-all-its children looking for more matches
-                    $objects = array_merge(
-                        $objects,
-                        self::_get_descendants_by_type_and_object_type(
-                            $child_line_item,
-                            $line_item_type,
-                            $obj_type
-                        )
-                    );
-                }
-            }
-        }
-        return $objects;
-    }
-
-
-    /**
-     * Gets all descendants subtotals that match the supplied object type
-     *
-     * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $OBJ_type         object type (like Event)
-     * @param array        $OBJ_IDs          array of OBJ_IDs
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    public static function get_line_items_by_object_type_and_IDs(
-        EE_Line_Item $parent_line_item,
-        $OBJ_type = '',
-        $OBJ_IDs = array()
-    ) {
-        return self::_get_descendants_by_object_type_and_object_ID(
-            $parent_line_item,
-            $OBJ_type,
-            $OBJ_IDs
-        );
-    }
-
-
-    /**
-     * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
-     * as well
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $OBJ_type         object type (like Event)
-     * @param array        $OBJ_IDs          array of OBJ_IDs
-     * @return EE_Line_Item[]
-     * @throws EE_Error
-     */
-    protected static function _get_descendants_by_object_type_and_object_ID(
-        EE_Line_Item $parent_line_item,
-        $OBJ_type,
-        $OBJ_IDs
-    ) {
-        $objects = array();
-        foreach ($parent_line_item->children() as $child_line_item) {
-            if ($child_line_item instanceof EE_Line_Item) {
-                if (
-                    $child_line_item->OBJ_type() === $OBJ_type
-                    && is_array($OBJ_IDs)
-                    && in_array($child_line_item->OBJ_ID(), $OBJ_IDs)
-                ) {
-                    $objects[] = $child_line_item;
-                } else {
-                    // go-through-all-its children looking for more matches
-                    $objects = array_merge(
-                        $objects,
-                        self::_get_descendants_by_object_type_and_object_ID(
-                            $child_line_item,
-                            $OBJ_type,
-                            $OBJ_IDs
-                        )
-                    );
-                }
-            }
-        }
-        return $objects;
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant of
-     * the specified type and returns it, else NULL
-     *
-     * @uses  EEH_Line_Item::_get_nearest_descendant()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $type             like one of the EEM_Line_Item::type_*
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_nearest_descendant_of_type(EE_Line_Item $parent_line_item, $type)
-    {
-        return self::_get_nearest_descendant($parent_line_item, 'LIN_type', $type);
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant
-     * having the specified LIN_code and returns it, else NULL
-     *
-     * @uses  EEH_Line_Item::_get_nearest_descendant()
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $code             any value used for LIN_code
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_nearest_descendant_having_code(EE_Line_Item $parent_line_item, $code)
-    {
-        return self::_get_nearest_descendant($parent_line_item, 'LIN_code', $code);
-    }
-
-
-    /**
-     * Uses a breadth-first-search in order to find the nearest descendant
-     * having the specified LIN_code and returns it, else NULL
-     *
-     * @param EE_Line_Item $parent_line_item - the line item to find descendants of
-     * @param string       $search_field     name of EE_Line_Item property
-     * @param string       $value            any value stored in $search_field
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    protected static function _get_nearest_descendant(EE_Line_Item $parent_line_item, $search_field, $value)
-    {
-        foreach ($parent_line_item->children() as $child) {
-            if ($child->get($search_field) == $value) {
-                return $child;
-            }
-        }
-        foreach ($parent_line_item->children() as $child) {
-            $descendant_found = self::_get_nearest_descendant(
-                $child,
-                $search_field,
-                $value
-            );
-            if ($descendant_found) {
-                return $descendant_found;
-            }
-        }
-        return null;
-    }
-
-
-    /**
-     * if passed line item has a TXN ID, uses that to jump directly to the grand total line item for the transaction,
-     * else recursively walks up the line item tree until a parent of type total is found,
-     *
-     * @param EE_Line_Item $line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     */
-    public static function find_transaction_grand_total_for_line_item(EE_Line_Item $line_item)
-    {
-        if ($line_item->TXN_ID()) {
-            $total_line_item = $line_item->transaction()->total_line_item(false);
-            if ($total_line_item instanceof EE_Line_Item) {
-                return $total_line_item;
-            }
-        } else {
-            $line_item_parent = $line_item->parent();
-            if ($line_item_parent instanceof EE_Line_Item) {
-                if ($line_item_parent->is_total()) {
-                    return $line_item_parent;
-                }
-                return EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item_parent);
-            }
-        }
-        throw new EE_Error(
-            sprintf(
-                esc_html__(
-                    'A valid grand total for line item %1$d was not found.',
-                    'event_espresso'
-                ),
-                $line_item->ID()
-            )
-        );
-    }
-
-
-    /**
-     * Prints out a representation of the line item tree
-     *
-     * @param EE_Line_Item $line_item
-     * @param int          $indentation
-     * @return void
-     * @throws EE_Error
-     */
-    public static function visualize(EE_Line_Item $line_item, $indentation = 0)
-    {
-        echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        if (! $indentation) {
-            echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        }
-        for ($i = 0; $i < $indentation; $i++) {
-            echo '. ';
-        }
-        $breakdown = '';
-        if ($line_item->is_line_item()) {
-            if ($line_item->is_percent()) {
-                $breakdown = "{$line_item->percent()}%";
-            } else {
-                $breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
-            }
-        }
-        echo $line_item->name();
-        echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
-        echo '$' . (string) $line_item->total();
-        if ($breakdown) {
-            echo " ( {$breakdown} )";
-        }
-        if ($line_item->is_taxable()) {
-            echo '  * taxable';
-        }
-        if ($line_item->children()) {
-            foreach ($line_item->children() as $child) {
-                self::visualize($child, $indentation + 1);
-            }
-        }
-    }
-
-
-    /**
-     * Calculates the registration's final price, taking into account that they
-     * need to not only help pay for their OWN ticket, but also any transaction-wide surcharges and taxes,
-     * and receive a portion of any transaction-wide discounts.
-     * eg1, if I buy a $1 ticket and brent buys a $9 ticket, and we receive a $5 discount
-     * then I'll get 1/10 of that $5 discount, which is $0.50, and brent will get
-     * 9/10ths of that $5 discount, which is $4.50. So my final price should be $0.50
-     * and brent's final price should be $5.50.
-     * In order to do this, we basically need to traverse the line item tree calculating
-     * the running totals (just as if we were recalculating the total), but when we identify
-     * regular line items, we need to keep track of their share of the grand total.
-     * Also, we need to keep track of the TAXABLE total for each ticket purchase, so
-     * we can know how to apply taxes to it. (Note: "taxable total" does not equal the "pretax total"
-     * when there are non-taxable items; otherwise they would be the same)
-     *
-     * @param EE_Line_Item $line_item
-     * @param array        $billable_ticket_quantities  array of EE_Ticket IDs and their corresponding quantity that
-     *                                                  can be included in price calculations at this moment
-     * @return array        keys are line items for tickets IDs and values are their share of the running total,
-     *                                                  plus the key 'total', and 'taxable' which also has keys of all
-     *                                                  the ticket IDs.
-     *                                                  Eg array(
-     *                                                      12 => 4.3
-     *                                                      23 => 8.0
-     *                                                      'total' => 16.6,
-     *                                                      'taxable' => array(
-     *                                                          12 => 10,
-     *                                                          23 => 4
-     *                                                      ).
-     *                                                  So to find which registrations have which final price, we need
-     *                                                  to find which line item is theirs, which can be done with
-     *                                                  `EEM_Line_Item::instance()->get_line_item_for_registration(
-     *                                                  $registration );`
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function calculate_reg_final_prices_per_line_item(
-        EE_Line_Item $line_item,
-        $billable_ticket_quantities = array()
-    ) {
-        $running_totals = [
-            'total'   => 0,
-            'taxable' => ['total' => 0]
-        ];
-        foreach ($line_item->children() as $child_line_item) {
-            switch ($child_line_item->type()) {
-                case EEM_Line_Item::type_sub_total:
-                    $running_totals_from_subtotal = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
-                        $child_line_item,
-                        $billable_ticket_quantities
-                    );
-                    // combine arrays but preserve numeric keys
-                    $running_totals = array_replace_recursive($running_totals_from_subtotal, $running_totals);
-                    $running_totals['total'] += $running_totals_from_subtotal['total'];
-                    $running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
-                    break;
-
-                case EEM_Line_Item::type_tax_sub_total:
-                    // find how much the taxes percentage is
-                    if ($child_line_item->percent() !== 0) {
-                        $tax_percent_decimal = $child_line_item->percent() / 100;
-                    } else {
-                        $tax_percent_decimal = EE_Taxes::get_total_taxes_percentage() / 100;
-                    }
-                    // and apply to all the taxable totals, and add to the pretax totals
-                    foreach ($running_totals as $line_item_id => $this_running_total) {
-                        // "total" and "taxable" array key is an exception
-                        if ($line_item_id === 'taxable') {
-                            continue;
-                        }
-                        $taxable_total = $running_totals['taxable'][ $line_item_id ];
-                        $running_totals[ $line_item_id ] += ($taxable_total * $tax_percent_decimal);
-                    }
-                    break;
-
-                case EEM_Line_Item::type_line_item:
-                    // ticket line items or ????
-                    if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
-                        // kk it's a ticket
-                        if (isset($running_totals[ $child_line_item->ID() ])) {
-                            // huh? that shouldn't happen.
-                            $running_totals['total'] += $child_line_item->total();
-                        } else {
-                            // its not in our running totals yet. great.
-                            if ($child_line_item->is_taxable()) {
-                                $taxable_amount = $child_line_item->unit_price();
-                            } else {
-                                $taxable_amount = 0;
-                            }
-                            // are we only calculating totals for some tickets?
-                            if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
-                                $quantity = $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
-                                $running_totals[ $child_line_item->ID() ] = $quantity
-                                    ? $child_line_item->unit_price()
-                                    : 0;
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $quantity
-                                    ? $taxable_amount
-                                    : 0;
-                            } else {
-                                $quantity = $child_line_item->quantity();
-                                $running_totals[ $child_line_item->ID() ] = $child_line_item->unit_price();
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
-                            }
-                            $running_totals['taxable']['total'] += $taxable_amount * $quantity;
-                            $running_totals['total'] += $child_line_item->unit_price() * $quantity;
-                        }
-                    } else {
-                        // it's some other type of item added to the cart
-                        // it should affect the running totals
-                        // basically we want to convert it into a PERCENT modifier. Because
-                        // more clearly affect all registration's final price equally
-                        $line_items_percent_of_running_total = $running_totals['total'] > 0
-                            ? ($child_line_item->total() / $running_totals['total']) + 1
-                            : 1;
-                        foreach ($running_totals as $line_item_id => $this_running_total) {
-                            // the "taxable" array key is an exception
-                            if ($line_item_id === 'taxable') {
-                                continue;
-                            }
-                            // update the running totals
-                            // yes this actually even works for the running grand total!
-                            $running_totals[ $line_item_id ] =
-                                $line_items_percent_of_running_total * $this_running_total;
-
-                            if ($child_line_item->is_taxable()) {
-                                $running_totals['taxable'][ $line_item_id ] =
-                                    $line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ];
-                            }
-                        }
-                    }
-                    break;
-            }
-        }
-        return $running_totals;
-    }
-
-
-    /**
-     * @param EE_Line_Item $total_line_item
-     * @param EE_Line_Item $ticket_line_item
-     * @return float | null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws OutOfRangeException
-     * @throws ReflectionException
-     */
-    public static function calculate_final_price_for_ticket_line_item(
-        EE_Line_Item $total_line_item,
-        EE_Line_Item $ticket_line_item
-    ) {
-        static $final_prices_per_ticket_line_item = array();
-        if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
-            $final_prices_per_ticket_line_item[ $total_line_item->ID() ] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
-                $total_line_item
-            );
-        }
-        // ok now find this new registration's final price
-        if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
-            return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
-        }
-        $message = sprintf(
-            esc_html__(
-                'The final price for the ticket line item (ID:%1$d) could not be calculated.',
-                'event_espresso'
-            ),
-            $ticket_line_item->ID()
-        );
-        if (WP_DEBUG) {
-            $message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
-            throw new OutOfRangeException($message);
-        }
-        EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);
-        return null;
-    }
-
-
-    /**
-     * Creates a duplicate of the line item tree, except only includes billable items
-     * and the portion of line items attributed to billable things
-     *
-     * @param EE_Line_Item      $line_item
-     * @param EE_Registration[] $registrations
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function billable_line_item_tree(EE_Line_Item $line_item, $registrations)
-    {
-        $copy_li = EEH_Line_Item::billable_line_item($line_item, $registrations);
-        foreach ($line_item->children() as $child_li) {
-            $copy_li->add_child_line_item(
-                EEH_Line_Item::billable_line_item_tree($child_li, $registrations)
-            );
-        }
-        // if this is the grand total line item, make sure the totals all add up
-        // (we could have duplicated this logic AS we copied the line items, but
-        // it seems DRYer this way)
-        if ($copy_li->type() === EEM_Line_Item::type_total) {
-            $copy_li->recalculate_total_including_taxes();
-        }
-        return $copy_li;
-    }
-
-
-    /**
-     * Creates a new, unsaved line item from $line_item that factors in the
-     * number of billable registrations on $registrations.
-     *
-     * @param EE_Line_Item      $line_item
-     * @param EE_Registration[] $registrations
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function billable_line_item(EE_Line_Item $line_item, $registrations)
-    {
-        $new_li_fields = $line_item->model_field_array();
-        if (
-            $line_item->type() === EEM_Line_Item::type_line_item &&
-            $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-        ) {
-            $count = 0;
-            foreach ($registrations as $registration) {
-                if (
-                    $line_item->OBJ_ID() === $registration->ticket_ID() &&
-                    in_array(
-                        $registration->status_ID(),
-                        EEM_Registration::reg_statuses_that_allow_payment(),
-                        true
-                    )
-                ) {
-                    $count++;
-                }
-            }
-            $new_li_fields['LIN_quantity'] = $count;
-        }
-        // don't set the total. We'll leave that up to the code that calculates it
-        unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent'], $new_li_fields['LIN_total']);
-        return EE_Line_Item::new_instance($new_li_fields);
-    }
-
-
-    /**
-     * Returns a modified line item tree where all the subtotals which have a total of 0
-     * are removed, and line items with a quantity of 0
-     *
-     * @param EE_Line_Item $line_item |null
-     * @return EE_Line_Item|null
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function non_empty_line_items(EE_Line_Item $line_item)
-    {
-        $copied_li = EEH_Line_Item::non_empty_line_item($line_item);
-        if ($copied_li === null) {
-            return null;
-        }
-        // if this is an event subtotal, we want to only include it if it
-        // has a non-zero total and at least one ticket line item child
-        $ticket_children = 0;
-        foreach ($line_item->children() as $child_li) {
-            $child_li_copy = EEH_Line_Item::non_empty_line_items($child_li);
-            if ($child_li_copy !== null) {
-                $copied_li->add_child_line_item($child_li_copy);
-                if (
-                    $child_li_copy->type() === EEM_Line_Item::type_line_item &&
-                    $child_li_copy->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-                ) {
-                    $ticket_children++;
-                }
-            }
-        }
-        // if this is an event subtotal with NO ticket children
-        // we basically want to ignore it
-        if (
-            $ticket_children === 0
-            && $line_item->type() === EEM_Line_Item::type_sub_total
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
-            && $line_item->total() === 0
-        ) {
-            return null;
-        }
-        return $copied_li;
-    }
-
-
-    /**
-     * Creates a new, unsaved line item, but if it's a ticket line item
-     * with a total of 0, or a subtotal of 0, returns null instead
-     *
-     * @param EE_Line_Item $line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function non_empty_line_item(EE_Line_Item $line_item)
-    {
-        if (
-            $line_item->type() === EEM_Line_Item::type_line_item
-            && $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-            && $line_item->quantity() === 0
-        ) {
-            return null;
-        }
-        $new_li_fields = $line_item->model_field_array();
-        // don't set the total. We'll leave that up to the code that calculates it
-        unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent']);
-        return EE_Line_Item::new_instance($new_li_fields);
-    }
-
-
-    /**
-     * Cycles through all of the ticket line items for the supplied total line item
-     * and ensures that the line item's "is_taxable" field matches that of its corresponding ticket
-     *
-     * @param EE_Line_Item $total_line_item
-     * @since 4.9.79.p
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function resetIsTaxableForTickets(EE_Line_Item $total_line_item)
-    {
-        $ticket_line_items = self::get_ticket_line_items($total_line_item);
-        foreach ($ticket_line_items as $ticket_line_item) {
-            if (
-                $ticket_line_item instanceof EE_Line_Item
-                && $ticket_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
-            ) {
-                $ticket = $ticket_line_item->ticket();
-                if ($ticket instanceof EE_Ticket && $ticket->taxable() !== $ticket_line_item->is_taxable()) {
-                    $ticket_line_item->set_is_taxable($ticket->taxable());
-                    $ticket_line_item->save();
-                }
-            }
-        }
-    }
-
-
-
-    /**************************************** @DEPRECATED METHODS *************************************** */
-    /**
-     * @deprecated
-     * @param EE_Line_Item $total_line_item
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function get_items_subtotal(EE_Line_Item $total_line_item)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::get_items_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::get_pre_tax_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::get_pre_tax_subtotal($total_line_item);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_total_line_item($transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_total_line_item()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_total_line_item()'
-            ),
-            '4.6.0'
-        );
-        return self::create_total_line_item($transaction);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_tickets_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_tickets_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_pre_tax_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_pre_tax_subtotal($total_line_item, $transaction);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_taxes_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_taxes_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_taxes_subtotal($total_line_item, $transaction);
-    }
-
-
-    /**
-     * @deprecated
-     * @param EE_Line_Item   $total_line_item
-     * @param EE_Transaction $transaction
-     * @return EE_Line_Item
-     * @throws EE_Error
-     * @throws InvalidArgumentException
-     * @throws InvalidDataTypeException
-     * @throws InvalidInterfaceException
-     * @throws ReflectionException
-     */
-    public static function create_default_event_subtotal(EE_Line_Item $total_line_item, $transaction = null)
-    {
-        EE_Error::doing_it_wrong(
-            'EEH_Line_Item::create_default_event_subtotal()',
-            sprintf(
-                esc_html__('Method replaced with %1$s', 'event_espresso'),
-                'EEH_Line_Item::create_event_subtotal()'
-            ),
-            '4.6.0'
-        );
-        return self::create_event_subtotal($total_line_item, $transaction);
-    }
+	/**
+	 * Adds a simple item (unrelated to any other model object) to the provided PARENT line item.
+	 * Does NOT automatically re-calculate the line item totals or update the related transaction.
+	 * You should call recalculate_total_including_taxes() on the grant total line item after this
+	 * to update the subtotals, and EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @param string       $name
+	 * @param float        $unit_price
+	 * @param string       $description
+	 * @param int          $quantity
+	 * @param boolean      $taxable
+	 * @param boolean      $code if set to a value, ensures there is only one line item with that code
+	 * @return boolean success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_unrelated_item(
+		EE_Line_Item $parent_line_item,
+		$name,
+		$unit_price,
+		$description = '',
+		$quantity = 1,
+		$taxable = false,
+		$code = null
+	) {
+		$items_subtotal = self::get_pre_tax_subtotal($parent_line_item);
+		$line_item = EE_Line_Item::new_instance(array(
+			'LIN_name'       => $name,
+			'LIN_desc'       => $description,
+			'LIN_unit_price' => $unit_price,
+			'LIN_quantity'   => $quantity,
+			'LIN_percent'    => null,
+			'LIN_is_taxable' => $taxable,
+			'LIN_order'      => $items_subtotal instanceof EE_Line_Item ? count($items_subtotal->children()) : 0,
+			'LIN_total'      => (float) $unit_price * (int) $quantity,
+			'LIN_type'       => EEM_Line_Item::type_line_item,
+			'LIN_code'       => $code,
+		));
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__add_unrelated_item__line_item',
+			$line_item,
+			$parent_line_item
+		);
+		return self::add_item($parent_line_item, $line_item);
+	}
+
+
+	/**
+	 * Adds a simple item ( unrelated to any other model object) to the total line item,
+	 * in the correct spot in the line item tree. Does not automatically
+	 * re-calculate the line item totals, nor update the related transaction, nor upgrade the transaction's
+	 * registrations' final prices (which should probably change because of this).
+	 * You should call recalculate_total_including_taxes() on the grand total line item, then
+	 * update the transaction's total, and EE_Registration_Processor::update_registration_final_prices()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @param string       $name
+	 * @param float        $percentage_amount
+	 * @param string       $description
+	 * @param boolean      $taxable
+	 * @return boolean success
+	 * @throws EE_Error
+	 */
+	public static function add_percentage_based_item(
+		EE_Line_Item $parent_line_item,
+		$name,
+		$percentage_amount,
+		$description = '',
+		$taxable = false
+	) {
+		$line_item = EE_Line_Item::new_instance(array(
+			'LIN_name'       => $name,
+			'LIN_desc'       => $description,
+			'LIN_unit_price' => 0,
+			'LIN_percent'    => $percentage_amount,
+			'LIN_quantity'   => 1,
+			'LIN_is_taxable' => $taxable,
+			'LIN_total'      => (float) ($percentage_amount * ($parent_line_item->total() / 100)),
+			'LIN_type'       => EEM_Line_Item::type_line_item,
+			'LIN_parent'     => $parent_line_item->ID(),
+		));
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__add_percentage_based_item__line_item',
+			$line_item
+		);
+		return $parent_line_item->add_child_line_item($line_item, false);
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 * ensures that ticket line item is saved, and that cart total has been recalculated.
+	 * If this ticket has already been purchased, just increments its count.
+	 * Automatically re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $total_line_item grand total line item of type EEM_Line_Item::type_total
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
+	{
+		if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'A valid line item total is required in order to add tickets. A line item of type "%s" was passed.',
+						'event_espresso'
+					),
+					$ticket->ID(),
+					$total_line_item->ID()
+				)
+			);
+		}
+		// either increment the qty for an existing ticket
+		$line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
+		// or add a new one
+		if (! $line_item instanceof EE_Line_Item) {
+			$line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
+		}
+		$total_line_item->recalculate_total_including_taxes();
+		return $line_item;
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function increment_ticket_qty_if_already_in_cart(
+		EE_Line_Item $total_line_item,
+		EE_Ticket $ticket,
+		$qty = 1
+	) {
+		$line_item = null;
+		if ($total_line_item instanceof EE_Line_Item && $total_line_item->is_total()) {
+			$ticket_line_items = EEH_Line_Item::get_ticket_line_items($total_line_item);
+			foreach ((array) $ticket_line_items as $ticket_line_item) {
+				if (
+					$ticket_line_item instanceof EE_Line_Item
+					&& (int) $ticket_line_item->OBJ_ID() === (int) $ticket->ID()
+				) {
+					$line_item = $ticket_line_item;
+					break;
+				}
+			}
+		}
+		if ($line_item instanceof EE_Line_Item) {
+			EEH_Line_Item::increment_quantity($line_item, $qty);
+			return $line_item;
+		}
+		return null;
+	}
+
+
+	/**
+	 * Increments the line item and all its children's quantity by $qty (but percent line items are unaffected).
+	 * Does NOT save or recalculate other line items totals
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
+	{
+		if (! $line_item->is_percent()) {
+			$qty += $line_item->quantity();
+			$line_item->set_quantity($qty);
+			$line_item->set_total($line_item->unit_price() * $qty);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Decrements the line item and all its children's quantity by $qty (but percent line items are unaffected).
+	 * Does NOT save or recalculate other line items totals
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $qty
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
+	{
+		if (! $line_item->is_percent()) {
+			$qty = $line_item->quantity() - $qty;
+			$qty = max($qty, 0);
+			$line_item->set_quantity($qty);
+			$line_item->set_total($line_item->unit_price() * $qty);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $qty);
+			}
+		}
+	}
+
+
+	/**
+	 * Updates the line item and its children's quantities to the specified number.
+	 * Does NOT save them or recalculate totals.
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $new_quantity
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
+	{
+		if (! $line_item->is_percent()) {
+			$line_item->set_quantity($new_quantity);
+			$line_item->set_total($line_item->unit_price() * $new_quantity);
+			$line_item->save();
+		}
+		foreach ($line_item->children() as $child) {
+			if ($child->is_sub_line_item()) {
+				EEH_Line_Item::update_quantity($child, $new_quantity);
+			}
+		}
+	}
+
+
+	/**
+	 * Returns the new line item created by adding a purchase of the ticket
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @param EE_Ticket    $ticket
+	 * @param int          $qty
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_ticket_line_item(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
+	{
+		$datetimes = $ticket->datetimes();
+		$first_datetime = reset($datetimes);
+		$first_datetime_name = esc_html__('Event', 'event_espresso');
+		if ($first_datetime instanceof EE_Datetime && $first_datetime->event() instanceof EE_Event) {
+			$first_datetime_name = $first_datetime->event()->name();
+		}
+		$event = sprintf(_x('(For %1$s)', '(For Event Name)', 'event_espresso'), $first_datetime_name);
+		// get event subtotal line
+		$events_sub_total = self::get_event_line_item_for_ticket($total_line_item, $ticket);
+		// add $ticket to cart
+		$line_item = EE_Line_Item::new_instance(array(
+			'LIN_name'       => $ticket->name(),
+			'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
+			'LIN_unit_price' => $ticket->price(),
+			'LIN_quantity'   => $qty,
+			'LIN_is_taxable' => $ticket->taxable(),
+			'LIN_order'      => count($events_sub_total->children()),
+			'LIN_total'      => $ticket->price() * $qty,
+			'LIN_type'       => EEM_Line_Item::type_line_item,
+			'OBJ_ID'         => $ticket->ID(),
+			'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_TICKET,
+		));
+		$line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_ticket_line_item__line_item',
+			$line_item
+		);
+		$events_sub_total->add_child_line_item($line_item);
+		// now add the sub-line items
+		$running_total_for_ticket = 0;
+		foreach ($ticket->prices(array('order_by' => array('PRC_order' => 'ASC'))) as $price) {
+			$sign = $price->is_discount() ? -1 : 1;
+			$price_total = $price->is_percent()
+				? $running_total_for_ticket * $price->amount() / 100
+				: $price->amount() * $qty;
+			$sub_line_item = EE_Line_Item::new_instance(array(
+				'LIN_name'       => $price->name(),
+				'LIN_desc'       => $price->desc(),
+				'LIN_quantity'   => $price->is_percent() ? null : $qty,
+				'LIN_is_taxable' => false,
+				'LIN_order'      => $price->order(),
+				'LIN_total'      => $sign * $price_total,
+				'LIN_type'       => EEM_Line_Item::type_sub_line_item,
+				'OBJ_ID'         => $price->ID(),
+				'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
+			));
+			$sub_line_item = apply_filters(
+				'FHEE__EEH_Line_Item__create_ticket_line_item__sub_line_item',
+				$sub_line_item
+			);
+			if ($price->is_percent()) {
+				$sub_line_item->set_percent($sign * $price->amount());
+			} else {
+				$sub_line_item->set_unit_price($sign * $price->amount());
+			}
+			$running_total_for_ticket += $price_total;
+			$line_item->add_child_line_item($sub_line_item);
+		}
+		return $line_item;
+	}
+
+
+	/**
+	 * Adds the specified item under the pre-tax-sub-total line item. Automatically
+	 * re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Line_Item $item to be added
+	 * @return boolean
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function add_item(EE_Line_Item $total_line_item, EE_Line_Item $item)
+	{
+		$pre_tax_subtotal = self::get_pre_tax_subtotal($total_line_item);
+		if ($pre_tax_subtotal instanceof EE_Line_Item) {
+			$success = $pre_tax_subtotal->add_child_line_item($item);
+		} else {
+			return false;
+		}
+		$total_line_item->recalculate_total_including_taxes();
+		return $success;
+	}
+
+
+	/**
+	 * cancels an existing ticket line item,
+	 * by decrementing it's quantity by 1 and adding a new "type_cancellation" sub-line-item.
+	 * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
+	 *
+	 * @param EE_Line_Item $ticket_line_item
+	 * @param int          $qty
+	 * @return bool success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function cancel_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
+	{
+		// validate incoming line_item
+		if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied line item must have an Object Type of "Ticket", not %1$s.',
+						'event_espresso'
+					),
+					$ticket_line_item->type()
+				)
+			);
+		}
+		if ($ticket_line_item->quantity() < $qty) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Can not cancel %1$d ticket(s) because the supplied line item has a quantity of %2$d.',
+						'event_espresso'
+					),
+					$qty,
+					$ticket_line_item->quantity()
+				)
+			);
+		}
+		// decrement ticket quantity; don't rely on auto-fixing when recalculating totals to do this
+		$ticket_line_item->set_quantity($ticket_line_item->quantity() - $qty);
+		foreach ($ticket_line_item->children() as $child_line_item) {
+			if (
+				$child_line_item->is_sub_line_item()
+				&& ! $child_line_item->is_percent()
+				&& ! $child_line_item->is_cancellation()
+			) {
+				$child_line_item->set_quantity($child_line_item->quantity() - $qty);
+			}
+		}
+		// get cancellation sub line item
+		$cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
+			$ticket_line_item,
+			EEM_Line_Item::type_cancellation
+		);
+		$cancellation_line_item = reset($cancellation_line_item);
+		// verify that this ticket was indeed previously cancelled
+		if ($cancellation_line_item instanceof EE_Line_Item) {
+			// increment cancelled quantity
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() + $qty);
+		} else {
+			// create cancellation sub line item
+			$cancellation_line_item = EE_Line_Item::new_instance(array(
+				'LIN_name'       => esc_html__('Cancellation', 'event_espresso'),
+				'LIN_desc'       => sprintf(
+					esc_html_x(
+						'Cancelled %1$s : %2$s',
+						'Cancelled Ticket Name : 2015-01-01 11:11',
+						'event_espresso'
+					),
+					$ticket_line_item->name(),
+					current_time(get_option('date_format') . ' ' . get_option('time_format'))
+				),
+				'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
+				'LIN_quantity'   => $qty,
+				'LIN_is_taxable' => $ticket_line_item->is_taxable(),
+				'LIN_order'      => count($ticket_line_item->children()),
+				'LIN_total'      => 0, // $ticket_line_item->unit_price()
+				'LIN_type'       => EEM_Line_Item::type_cancellation,
+			));
+			$ticket_line_item->add_child_line_item($cancellation_line_item);
+		}
+		if ($ticket_line_item->save_this_and_descendants() > 0) {
+			// decrement parent line item quantity
+			$event_line_item = $ticket_line_item->parent();
+			if (
+				$event_line_item instanceof EE_Line_Item
+				&& $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			) {
+				$event_line_item->set_quantity($event_line_item->quantity() - $qty);
+				$event_line_item->save();
+			}
+			EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * reinstates (un-cancels?) a previously canceled ticket line item,
+	 * by incrementing it's quantity by 1, and decrementing it's "type_cancellation" sub-line-item.
+	 * ALL totals and subtotals will NEED TO BE UPDATED after performing this action
+	 *
+	 * @param EE_Line_Item $ticket_line_item
+	 * @param int          $qty
+	 * @return bool success
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function reinstate_canceled_ticket_line_item(EE_Line_Item $ticket_line_item, $qty = 1)
+	{
+		// validate incoming line_item
+		if ($ticket_line_item->OBJ_type() !== EEM_Line_Item::OBJ_TYPE_TICKET) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied line item must have an Object Type of "Ticket", not %1$s.',
+						'event_espresso'
+					),
+					$ticket_line_item->type()
+				)
+			);
+		}
+		// get cancellation sub line item
+		$cancellation_line_item = EEH_Line_Item::get_descendants_of_type(
+			$ticket_line_item,
+			EEM_Line_Item::type_cancellation
+		);
+		$cancellation_line_item = reset($cancellation_line_item);
+		// verify that this ticket was indeed previously cancelled
+		if (! $cancellation_line_item instanceof EE_Line_Item) {
+			return false;
+		}
+		if ($cancellation_line_item->quantity() > $qty) {
+			// decrement cancelled quantity
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
+		} elseif ($cancellation_line_item->quantity() === $qty) {
+			// decrement cancelled quantity in case anyone still has the object kicking around
+			$cancellation_line_item->set_quantity($cancellation_line_item->quantity() - $qty);
+			// delete because quantity will end up as 0
+			$cancellation_line_item->delete();
+			// and attempt to destroy the object,
+			// even though PHP won't actually destroy it until it needs the memory
+			unset($cancellation_line_item);
+		} else {
+			// what ?!?! negative quantity ?!?!
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'Can not reinstate %1$d cancelled ticket(s) because the cancelled ticket quantity is only %2$d.',
+						'event_espresso'
+					),
+					$qty,
+					$cancellation_line_item->quantity()
+				)
+			);
+		}
+		// increment ticket quantity
+		$ticket_line_item->set_quantity($ticket_line_item->quantity() + $qty);
+		if ($ticket_line_item->save_this_and_descendants() > 0) {
+			// increment parent line item quantity
+			$event_line_item = $ticket_line_item->parent();
+			if (
+				$event_line_item instanceof EE_Line_Item
+				&& $event_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			) {
+				$event_line_item->set_quantity($event_line_item->quantity() + $qty);
+			}
+			EEH_Line_Item::get_grand_total_and_recalculate_everything($ticket_line_item);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * calls EEH_Line_Item::find_transaction_grand_total_for_line_item()
+	 * then EE_Line_Item::recalculate_total_including_taxes() on the result
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return float
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_grand_total_and_recalculate_everything(EE_Line_Item $line_item)
+	{
+		$grand_total_line_item = EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item);
+		return $grand_total_line_item->recalculate_total_including_taxes();
+	}
+
+
+	/**
+	 * Gets the line item which contains the subtotal of all the items
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_pre_tax_subtotal(EE_Line_Item $total_line_item)
+	{
+		$pre_tax_subtotal = $total_line_item->get_child_line_item('pre-tax-subtotal');
+		return $pre_tax_subtotal instanceof EE_Line_Item
+			? $pre_tax_subtotal
+			: self::create_pre_tax_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * Gets the line item for the taxes subtotal
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_taxes_subtotal(EE_Line_Item $total_line_item)
+	{
+		$taxes = $total_line_item->get_child_line_item('taxes');
+		return $taxes ? $taxes : self::create_taxes_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * sets the TXN ID on an EE_Line_Item if passed a valid EE_Transaction object
+	 *
+	 * @param EE_Line_Item   $line_item
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_TXN_ID(EE_Line_Item $line_item, $transaction = null)
+	{
+		if ($transaction) {
+			/** @type EEM_Transaction $EEM_Transaction */
+			$EEM_Transaction = EE_Registry::instance()->load_model('Transaction');
+			$TXN_ID = $EEM_Transaction->ensure_is_ID($transaction);
+			$line_item->set_TXN_ID($TXN_ID);
+		}
+	}
+
+
+	/**
+	 * Creates a new default total line item for the transaction,
+	 * and its tickets subtotal and taxes subtotal line items (and adds the
+	 * existing taxes as children of the taxes subtotal line item)
+	 *
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item of type total
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_total_line_item($transaction = null)
+	{
+		$total_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code' => 'total',
+			'LIN_name' => esc_html__('Grand Total', 'event_espresso'),
+			'LIN_type' => EEM_Line_Item::type_total,
+			'OBJ_type' => EEM_Line_Item::OBJ_TYPE_TRANSACTION,
+		));
+		$total_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_total_line_item__total_line_item',
+			$total_line_item
+		);
+		self::set_TXN_ID($total_line_item, $transaction);
+		self::create_pre_tax_subtotal($total_line_item, $transaction);
+		self::create_taxes_subtotal($total_line_item, $transaction);
+		return $total_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function create_pre_tax_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		$pre_tax_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code' => 'pre-tax-subtotal',
+			'LIN_name' => esc_html__('Pre-Tax Subtotal', 'event_espresso'),
+			'LIN_type' => EEM_Line_Item::type_sub_total,
+		));
+		$pre_tax_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_pre_tax_subtotal__pre_tax_line_item',
+			$pre_tax_line_item
+		);
+		self::set_TXN_ID($pre_tax_line_item, $transaction);
+		$total_line_item->add_child_line_item($pre_tax_line_item);
+		self::create_event_subtotal($pre_tax_line_item, $transaction);
+		return $pre_tax_line_item;
+	}
+
+
+	/**
+	 * Creates a line item for the taxes subtotal and finds all the tax prices
+	 * and applies taxes to it
+	 *
+	 * @param EE_Line_Item   $total_line_item of type EEM_Line_Item::type_total
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function create_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		$tax_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code'  => 'taxes',
+			'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
+			'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
+			'LIN_order' => 1000,// this should always come last
+		));
+		$tax_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
+			$tax_line_item
+		);
+		self::set_TXN_ID($tax_line_item, $transaction);
+		$total_line_item->add_child_line_item($tax_line_item);
+		// and lastly, add the actual taxes
+		self::apply_taxes($total_line_item);
+		return $tax_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $pre_tax_line_item
+	 * @param EE_Transaction $transaction
+	 * @param EE_Event       $event
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_event_subtotal(EE_Line_Item $pre_tax_line_item, $transaction = null, $event = null)
+	{
+		$event_line_item = EE_Line_Item::new_instance(array(
+			'LIN_code' => self::get_event_code($event),
+			'LIN_name' => self::get_event_name($event),
+			'LIN_desc' => self::get_event_desc($event),
+			'LIN_type' => EEM_Line_Item::type_sub_total,
+			'OBJ_type' => EEM_Line_Item::OBJ_TYPE_EVENT,
+			'OBJ_ID'   => $event instanceof EE_Event ? $event->ID() : 0,
+		));
+		$event_line_item = apply_filters(
+			'FHEE__EEH_Line_Item__create_event_subtotal__event_line_item',
+			$event_line_item
+		);
+		self::set_TXN_ID($event_line_item, $transaction);
+		$pre_tax_line_item->add_child_line_item($event_line_item);
+		return $event_line_item;
+	}
+
+
+	/**
+	 * Gets what the event ticket's code SHOULD be
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_code($event)
+	{
+		return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
+	}
+
+
+	/**
+	 * Gets the event name
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_name($event)
+	{
+		return $event instanceof EE_Event
+			? mb_substr($event->name(), 0, 245)
+			: esc_html__('Event', 'event_espresso');
+	}
+
+
+	/**
+	 * Gets the event excerpt
+	 *
+	 * @param EE_Event $event
+	 * @return string
+	 * @throws EE_Error
+	 */
+	public static function get_event_desc($event)
+	{
+		return $event instanceof EE_Event ? $event->short_description() : '';
+	}
+
+
+	/**
+	 * Given the grand total line item and a ticket, finds the event sub-total
+	 * line item the ticket's purchase should be added onto
+	 *
+	 * @access public
+	 * @param EE_Line_Item $grand_total the grand total line item
+	 * @param EE_Ticket    $ticket
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
+	{
+		$first_datetime = $ticket->first_datetime();
+		if (! $first_datetime instanceof EE_Datetime) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
+					$ticket->ID()
+				)
+			);
+		}
+		$event = $first_datetime->event();
+		if (! $event instanceof EE_Event) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'The supplied ticket (ID %d) has no event data associated with it.',
+						'event_espresso'
+					),
+					$ticket->ID()
+				)
+			);
+		}
+		$events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
+		if (! $events_sub_total instanceof EE_Line_Item) {
+			throw new EE_Error(
+				sprintf(
+					esc_html__(
+						'There is no events sub-total for ticket %s on total line item %d',
+						'event_espresso'
+					),
+					$ticket->ID(),
+					$grand_total->ID()
+				)
+			);
+		}
+		return $events_sub_total;
+	}
+
+
+	/**
+	 * Gets the event line item
+	 *
+	 * @param EE_Line_Item $grand_total
+	 * @param EE_Event     $event
+	 * @return EE_Line_Item for the event subtotal which is a child of $grand_total
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_event_line_item(EE_Line_Item $grand_total, $event)
+	{
+		/** @type EE_Event $event */
+		$event = EEM_Event::instance()->ensure_is_obj($event, true);
+		$event_line_item = null;
+		$found = false;
+		foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
+			// default event subtotal, we should only ever find this the first time this method is called
+			if (! $event_line_item->OBJ_ID()) {
+				// let's use this! but first... set the event details
+				EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
+				$found = true;
+				break;
+			}
+			if ($event_line_item->OBJ_ID() === $event->ID()) {
+				// found existing line item for this event in the cart, so break out of loop and use this one
+				$found = true;
+				break;
+			}
+		}
+		if (! $found) {
+			// there is no event sub-total yet, so add it
+			$pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
+			// create a new "event" subtotal below that
+			$event_line_item = EEH_Line_Item::create_event_subtotal($pre_tax_subtotal, null, $event);
+			// and set the event details
+			EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
+		}
+		return $event_line_item;
+	}
+
+
+	/**
+	 * Creates a default items subtotal line item
+	 *
+	 * @param EE_Line_Item   $event_line_item
+	 * @param EE_Event       $event
+	 * @param EE_Transaction $transaction
+	 * @return void
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_event_subtotal_details(
+		EE_Line_Item $event_line_item,
+		EE_Event $event,
+		$transaction = null
+	) {
+		if ($event instanceof EE_Event) {
+			$event_line_item->set_code(self::get_event_code($event));
+			$event_line_item->set_name(self::get_event_name($event));
+			$event_line_item->set_desc(self::get_event_desc($event));
+			$event_line_item->set_OBJ_ID($event->ID());
+		}
+		self::set_TXN_ID($event_line_item, $transaction);
+	}
+
+
+	/**
+	 * Finds what taxes should apply, adds them as tax line items under the taxes sub-total,
+	 * and recalculates the taxes sub-total and the grand total. Resets the taxes, so
+	 * any old taxes are removed
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @param bool         $update_txn_status
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 * @throws RuntimeException
+	 */
+	public static function apply_taxes(EE_Line_Item $total_line_item, $update_txn_status = false)
+	{
+		/** @type EEM_Price $EEM_Price */
+		$EEM_Price = EE_Registry::instance()->load_model('Price');
+		// get array of taxes via Price Model
+		$ordered_taxes = $EEM_Price->get_all_prices_that_are_taxes();
+		ksort($ordered_taxes);
+		$taxes_line_item = self::get_taxes_subtotal($total_line_item);
+		// just to be safe, remove its old tax line items
+		$deleted = $taxes_line_item->delete_children_line_items();
+		$updates = false;
+		// loop thru taxes
+		foreach ($ordered_taxes as $order => $taxes) {
+			foreach ($taxes as $tax) {
+				if ($tax instanceof EE_Price) {
+					$tax_line_item = EE_Line_Item::new_instance(
+						array(
+							'LIN_name'       => $tax->name(),
+							'LIN_desc'       => $tax->desc(),
+							'LIN_percent'    => $tax->amount(),
+							'LIN_is_taxable' => false,
+							'LIN_order'      => $order,
+							'LIN_total'      => 0,
+							'LIN_type'       => EEM_Line_Item::type_tax,
+							'OBJ_type'       => EEM_Line_Item::OBJ_TYPE_PRICE,
+							'OBJ_ID'         => $tax->ID(),
+						)
+					);
+					$tax_line_item = apply_filters(
+						'FHEE__EEH_Line_Item__apply_taxes__tax_line_item',
+						$tax_line_item
+					);
+					$updates = $taxes_line_item->add_child_line_item($tax_line_item) ?
+						true :
+						$updates;
+				}
+			}
+		}
+		// only recalculate totals if something changed
+		if ($deleted || $updates) {
+			$total_line_item->recalculate_total_including_taxes($update_txn_status);
+			return true;
+		}
+		return false;
+	}
+
+
+	/**
+	 * Ensures that taxes have been applied to the order, if not applies them.
+	 * Returns the total amount of tax
+	 *
+	 * @param EE_Line_Item $total_line_item of type EEM_Line_Item::type_total
+	 * @return float
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function ensure_taxes_applied($total_line_item)
+	{
+		$taxes_subtotal = self::get_taxes_subtotal($total_line_item);
+		if (! $taxes_subtotal->children()) {
+			self::apply_taxes($total_line_item);
+		}
+		return $taxes_subtotal->total();
+	}
+
+
+	/**
+	 * Deletes ALL children of the passed line item
+	 *
+	 * @param EE_Line_Item $parent_line_item
+	 * @return bool
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function delete_all_child_items(EE_Line_Item $parent_line_item)
+	{
+		$deleted = 0;
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				$deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
+				if ($child_line_item->ID()) {
+					$child_line_item->delete();
+					unset($child_line_item);
+				} else {
+					$parent_line_item->delete_child_line_item($child_line_item->code());
+				}
+				$deleted++;
+			}
+		}
+		return $deleted;
+	}
+
+
+	/**
+	 * Deletes the line items as indicated by the line item code(s) provided,
+	 * regardless of where they're found in the line item tree. Automatically
+	 * re-calculates the line item totals and updates the related transaction. But
+	 * DOES NOT automatically upgrade the transaction's registrations' final prices (which
+	 * should probably change because of this).
+	 * You should call EE_Registration_Processor::calculate_reg_final_prices_per_line_item()
+	 * after using this, to keep the registration final prices in-sync with the transaction's total.
+	 *
+	 * @param EE_Line_Item      $total_line_item of type EEM_Line_Item::type_total
+	 * @param array|bool|string $line_item_codes
+	 * @return int number of items successfully removed
+	 * @throws EE_Error
+	 */
+	public static function delete_items(EE_Line_Item $total_line_item, $line_item_codes = false)
+	{
+
+		if ($total_line_item->type() !== EEM_Line_Item::type_total) {
+			EE_Error::doing_it_wrong(
+				'EEH_Line_Item::delete_items',
+				esc_html__(
+					'This static method should only be called with a TOTAL line item, otherwise we won\'t recalculate the totals correctly',
+					'event_espresso'
+				),
+				'4.6.18'
+			);
+		}
+		do_action('AHEE_log', __FILE__, __FUNCTION__, '');
+
+		// check if only a single line_item_id was passed
+		if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
+			// place single line_item_id in an array to appear as multiple line_item_ids
+			$line_item_codes = array($line_item_codes);
+		}
+		$removals = 0;
+		// cycle thru line_item_ids
+		foreach ($line_item_codes as $line_item_id) {
+			$removals += $total_line_item->delete_child_line_item($line_item_id);
+		}
+
+		if ($removals > 0) {
+			$total_line_item->recalculate_taxes_and_tax_total();
+			return $removals;
+		} else {
+			return false;
+		}
+	}
+
+
+	/**
+	 * Overwrites the previous tax by clearing out the old taxes, and creates a new
+	 * tax and updates the total line item accordingly
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @param float        $amount
+	 * @param string       $name
+	 * @param string       $description
+	 * @param string       $code
+	 * @param boolean      $add_to_existing_line_item
+	 *                          if true, and a duplicate line item with the same code is found,
+	 *                          $amount will be added onto it; otherwise will simply set the taxes to match $amount
+	 * @return EE_Line_Item the new tax line item created
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function set_total_tax_to(
+		EE_Line_Item $total_line_item,
+		$amount,
+		$name = null,
+		$description = null,
+		$code = null,
+		$add_to_existing_line_item = false
+	) {
+		$tax_subtotal = self::get_taxes_subtotal($total_line_item);
+		$taxable_total = $total_line_item->taxable_total();
+
+		if ($add_to_existing_line_item) {
+			$new_tax = $tax_subtotal->get_child_line_item($code);
+			EEM_Line_Item::instance()->delete(
+				array(array('LIN_code' => array('!=', $code), 'LIN_parent' => $tax_subtotal->ID()))
+			);
+		} else {
+			$new_tax = null;
+			$tax_subtotal->delete_children_line_items();
+		}
+		if ($new_tax) {
+			$new_tax->set_total($new_tax->total() + $amount);
+			$new_tax->set_percent($taxable_total ? $new_tax->total() / $taxable_total * 100 : 0);
+		} else {
+			// no existing tax item. Create it
+			$new_tax = EE_Line_Item::new_instance(array(
+				'TXN_ID'      => $total_line_item->TXN_ID(),
+				'LIN_name'    => $name ? $name : esc_html__('Tax', 'event_espresso'),
+				'LIN_desc'    => $description ? $description : '',
+				'LIN_percent' => $taxable_total ? ($amount / $taxable_total * 100) : 0,
+				'LIN_total'   => $amount,
+				'LIN_parent'  => $tax_subtotal->ID(),
+				'LIN_type'    => EEM_Line_Item::type_tax,
+				'LIN_code'    => $code,
+			));
+		}
+
+		$new_tax = apply_filters(
+			'FHEE__EEH_Line_Item__set_total_tax_to__new_tax_subtotal',
+			$new_tax,
+			$total_line_item
+		);
+		$new_tax->save();
+		$tax_subtotal->set_total($new_tax->total());
+		$tax_subtotal->save();
+		$total_line_item->recalculate_total_including_taxes();
+		return $new_tax;
+	}
+
+
+	/**
+	 * Makes all the line items which are children of $line_item taxable (or not).
+	 * Does NOT save the line items
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param boolean      $taxable
+	 * @param string       $code_substring_for_whitelist if this string is part of the line item's code
+	 *                                                   it will be whitelisted (ie, except from becoming taxable)
+	 * @throws EE_Error
+	 */
+	public static function set_line_items_taxable(
+		EE_Line_Item $line_item,
+		$taxable = true,
+		$code_substring_for_whitelist = null
+	) {
+		$whitelisted = false;
+		if ($code_substring_for_whitelist !== null) {
+			$whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
+		}
+		if (! $whitelisted && $line_item->is_line_item()) {
+			$line_item->set_is_taxable($taxable);
+		}
+		foreach ($line_item->children() as $child_line_item) {
+			EEH_Line_Item::set_line_items_taxable(
+				$child_line_item,
+				$taxable,
+				$code_substring_for_whitelist
+			);
+		}
+	}
+
+
+	/**
+	 * Gets all descendants that are event subtotals
+	 *
+	 * @uses  EEH_Line_Item::get_subtotals_of_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_event_subtotals(EE_Line_Item $parent_line_item)
+	{
+		return self::get_subtotals_of_object_type($parent_line_item, EEM_Line_Item::OBJ_TYPE_EVENT);
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $obj_type
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_subtotals_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			EEM_Line_Item::type_sub_total,
+			$obj_type
+		);
+	}
+
+
+	/**
+	 * Gets all descendants that are tickets
+	 *
+	 * @uses  EEH_Line_Item::get_line_items_of_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_ticket_line_items(EE_Line_Item $parent_line_item)
+	{
+		return self::get_line_items_of_object_type(
+			$parent_line_item,
+			EEM_Line_Item::OBJ_TYPE_TICKET
+		);
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $obj_type
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_line_items_of_object_type(EE_Line_Item $parent_line_item, $obj_type = '')
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			EEM_Line_Item::type_line_item,
+			$obj_type
+		);
+	}
+
+
+	/**
+	 * Gets all the descendants (ie, children or children of children etc) that are of the type 'tax'
+	 *
+	 * @uses  EEH_Line_Item::get_descendants_of_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_tax_descendants(EE_Line_Item $parent_line_item)
+	{
+		return EEH_Line_Item::get_descendants_of_type(
+			$parent_line_item,
+			EEM_Line_Item::type_tax
+		);
+	}
+
+
+	/**
+	 * Gets all the real items purchased which are children of this item
+	 *
+	 * @uses  EEH_Line_Item::get_descendants_of_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_line_item_descendants(EE_Line_Item $parent_line_item)
+	{
+		return EEH_Line_Item::get_descendants_of_type(
+			$parent_line_item,
+			EEM_Line_Item::type_line_item
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $line_item_type   one of the EEM_Line_Item constants
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_descendants_of_type(EE_Line_Item $parent_line_item, $line_item_type)
+	{
+		return self::_get_descendants_by_type_and_object_type(
+			$parent_line_item,
+			$line_item_type,
+			null
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
+	 * as well
+	 *
+	 * @param EE_Line_Item  $parent_line_item - the line item to find descendants of
+	 * @param string        $line_item_type   one of the EEM_Line_Item constants
+	 * @param string | NULL $obj_type         object model class name (minus prefix) or NULL to ignore object type when
+	 *                                        searching
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	protected static function _get_descendants_by_type_and_object_type(
+		EE_Line_Item $parent_line_item,
+		$line_item_type,
+		$obj_type = null
+	) {
+		$objects = array();
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				if (
+					$child_line_item->type() === $line_item_type
+					&& (
+						$child_line_item->OBJ_type() === $obj_type || $obj_type === null
+					)
+				) {
+					$objects[] = $child_line_item;
+				} else {
+					// go-through-all-its children looking for more matches
+					$objects = array_merge(
+						$objects,
+						self::_get_descendants_by_type_and_object_type(
+							$child_line_item,
+							$line_item_type,
+							$obj_type
+						)
+					);
+				}
+			}
+		}
+		return $objects;
+	}
+
+
+	/**
+	 * Gets all descendants subtotals that match the supplied object type
+	 *
+	 * @uses  EEH_Line_Item::_get_descendants_by_type_and_object_type()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $OBJ_type         object type (like Event)
+	 * @param array        $OBJ_IDs          array of OBJ_IDs
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	public static function get_line_items_by_object_type_and_IDs(
+		EE_Line_Item $parent_line_item,
+		$OBJ_type = '',
+		$OBJ_IDs = array()
+	) {
+		return self::_get_descendants_by_object_type_and_object_ID(
+			$parent_line_item,
+			$OBJ_type,
+			$OBJ_IDs
+		);
+	}
+
+
+	/**
+	 * Gets all descendants of supplied line item that match the supplied line item type and possibly the object type
+	 * as well
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $OBJ_type         object type (like Event)
+	 * @param array        $OBJ_IDs          array of OBJ_IDs
+	 * @return EE_Line_Item[]
+	 * @throws EE_Error
+	 */
+	protected static function _get_descendants_by_object_type_and_object_ID(
+		EE_Line_Item $parent_line_item,
+		$OBJ_type,
+		$OBJ_IDs
+	) {
+		$objects = array();
+		foreach ($parent_line_item->children() as $child_line_item) {
+			if ($child_line_item instanceof EE_Line_Item) {
+				if (
+					$child_line_item->OBJ_type() === $OBJ_type
+					&& is_array($OBJ_IDs)
+					&& in_array($child_line_item->OBJ_ID(), $OBJ_IDs)
+				) {
+					$objects[] = $child_line_item;
+				} else {
+					// go-through-all-its children looking for more matches
+					$objects = array_merge(
+						$objects,
+						self::_get_descendants_by_object_type_and_object_ID(
+							$child_line_item,
+							$OBJ_type,
+							$OBJ_IDs
+						)
+					);
+				}
+			}
+		}
+		return $objects;
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant of
+	 * the specified type and returns it, else NULL
+	 *
+	 * @uses  EEH_Line_Item::_get_nearest_descendant()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $type             like one of the EEM_Line_Item::type_*
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_nearest_descendant_of_type(EE_Line_Item $parent_line_item, $type)
+	{
+		return self::_get_nearest_descendant($parent_line_item, 'LIN_type', $type);
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant
+	 * having the specified LIN_code and returns it, else NULL
+	 *
+	 * @uses  EEH_Line_Item::_get_nearest_descendant()
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $code             any value used for LIN_code
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_nearest_descendant_having_code(EE_Line_Item $parent_line_item, $code)
+	{
+		return self::_get_nearest_descendant($parent_line_item, 'LIN_code', $code);
+	}
+
+
+	/**
+	 * Uses a breadth-first-search in order to find the nearest descendant
+	 * having the specified LIN_code and returns it, else NULL
+	 *
+	 * @param EE_Line_Item $parent_line_item - the line item to find descendants of
+	 * @param string       $search_field     name of EE_Line_Item property
+	 * @param string       $value            any value stored in $search_field
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	protected static function _get_nearest_descendant(EE_Line_Item $parent_line_item, $search_field, $value)
+	{
+		foreach ($parent_line_item->children() as $child) {
+			if ($child->get($search_field) == $value) {
+				return $child;
+			}
+		}
+		foreach ($parent_line_item->children() as $child) {
+			$descendant_found = self::_get_nearest_descendant(
+				$child,
+				$search_field,
+				$value
+			);
+			if ($descendant_found) {
+				return $descendant_found;
+			}
+		}
+		return null;
+	}
+
+
+	/**
+	 * if passed line item has a TXN ID, uses that to jump directly to the grand total line item for the transaction,
+	 * else recursively walks up the line item tree until a parent of type total is found,
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 */
+	public static function find_transaction_grand_total_for_line_item(EE_Line_Item $line_item)
+	{
+		if ($line_item->TXN_ID()) {
+			$total_line_item = $line_item->transaction()->total_line_item(false);
+			if ($total_line_item instanceof EE_Line_Item) {
+				return $total_line_item;
+			}
+		} else {
+			$line_item_parent = $line_item->parent();
+			if ($line_item_parent instanceof EE_Line_Item) {
+				if ($line_item_parent->is_total()) {
+					return $line_item_parent;
+				}
+				return EEH_Line_Item::find_transaction_grand_total_for_line_item($line_item_parent);
+			}
+		}
+		throw new EE_Error(
+			sprintf(
+				esc_html__(
+					'A valid grand total for line item %1$d was not found.',
+					'event_espresso'
+				),
+				$line_item->ID()
+			)
+		);
+	}
+
+
+	/**
+	 * Prints out a representation of the line item tree
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param int          $indentation
+	 * @return void
+	 * @throws EE_Error
+	 */
+	public static function visualize(EE_Line_Item $line_item, $indentation = 0)
+	{
+		echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
+		if (! $indentation) {
+			echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
+		}
+		for ($i = 0; $i < $indentation; $i++) {
+			echo '. ';
+		}
+		$breakdown = '';
+		if ($line_item->is_line_item()) {
+			if ($line_item->is_percent()) {
+				$breakdown = "{$line_item->percent()}%";
+			} else {
+				$breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
+			}
+		}
+		echo $line_item->name();
+		echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
+		echo '$' . (string) $line_item->total();
+		if ($breakdown) {
+			echo " ( {$breakdown} )";
+		}
+		if ($line_item->is_taxable()) {
+			echo '  * taxable';
+		}
+		if ($line_item->children()) {
+			foreach ($line_item->children() as $child) {
+				self::visualize($child, $indentation + 1);
+			}
+		}
+	}
+
+
+	/**
+	 * Calculates the registration's final price, taking into account that they
+	 * need to not only help pay for their OWN ticket, but also any transaction-wide surcharges and taxes,
+	 * and receive a portion of any transaction-wide discounts.
+	 * eg1, if I buy a $1 ticket and brent buys a $9 ticket, and we receive a $5 discount
+	 * then I'll get 1/10 of that $5 discount, which is $0.50, and brent will get
+	 * 9/10ths of that $5 discount, which is $4.50. So my final price should be $0.50
+	 * and brent's final price should be $5.50.
+	 * In order to do this, we basically need to traverse the line item tree calculating
+	 * the running totals (just as if we were recalculating the total), but when we identify
+	 * regular line items, we need to keep track of their share of the grand total.
+	 * Also, we need to keep track of the TAXABLE total for each ticket purchase, so
+	 * we can know how to apply taxes to it. (Note: "taxable total" does not equal the "pretax total"
+	 * when there are non-taxable items; otherwise they would be the same)
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @param array        $billable_ticket_quantities  array of EE_Ticket IDs and their corresponding quantity that
+	 *                                                  can be included in price calculations at this moment
+	 * @return array        keys are line items for tickets IDs and values are their share of the running total,
+	 *                                                  plus the key 'total', and 'taxable' which also has keys of all
+	 *                                                  the ticket IDs.
+	 *                                                  Eg array(
+	 *                                                      12 => 4.3
+	 *                                                      23 => 8.0
+	 *                                                      'total' => 16.6,
+	 *                                                      'taxable' => array(
+	 *                                                          12 => 10,
+	 *                                                          23 => 4
+	 *                                                      ).
+	 *                                                  So to find which registrations have which final price, we need
+	 *                                                  to find which line item is theirs, which can be done with
+	 *                                                  `EEM_Line_Item::instance()->get_line_item_for_registration(
+	 *                                                  $registration );`
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function calculate_reg_final_prices_per_line_item(
+		EE_Line_Item $line_item,
+		$billable_ticket_quantities = array()
+	) {
+		$running_totals = [
+			'total'   => 0,
+			'taxable' => ['total' => 0]
+		];
+		foreach ($line_item->children() as $child_line_item) {
+			switch ($child_line_item->type()) {
+				case EEM_Line_Item::type_sub_total:
+					$running_totals_from_subtotal = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+						$child_line_item,
+						$billable_ticket_quantities
+					);
+					// combine arrays but preserve numeric keys
+					$running_totals = array_replace_recursive($running_totals_from_subtotal, $running_totals);
+					$running_totals['total'] += $running_totals_from_subtotal['total'];
+					$running_totals['taxable']['total'] += $running_totals_from_subtotal['taxable']['total'];
+					break;
+
+				case EEM_Line_Item::type_tax_sub_total:
+					// find how much the taxes percentage is
+					if ($child_line_item->percent() !== 0) {
+						$tax_percent_decimal = $child_line_item->percent() / 100;
+					} else {
+						$tax_percent_decimal = EE_Taxes::get_total_taxes_percentage() / 100;
+					}
+					// and apply to all the taxable totals, and add to the pretax totals
+					foreach ($running_totals as $line_item_id => $this_running_total) {
+						// "total" and "taxable" array key is an exception
+						if ($line_item_id === 'taxable') {
+							continue;
+						}
+						$taxable_total = $running_totals['taxable'][ $line_item_id ];
+						$running_totals[ $line_item_id ] += ($taxable_total * $tax_percent_decimal);
+					}
+					break;
+
+				case EEM_Line_Item::type_line_item:
+					// ticket line items or ????
+					if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
+						// kk it's a ticket
+						if (isset($running_totals[ $child_line_item->ID() ])) {
+							// huh? that shouldn't happen.
+							$running_totals['total'] += $child_line_item->total();
+						} else {
+							// its not in our running totals yet. great.
+							if ($child_line_item->is_taxable()) {
+								$taxable_amount = $child_line_item->unit_price();
+							} else {
+								$taxable_amount = 0;
+							}
+							// are we only calculating totals for some tickets?
+							if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
+								$quantity = $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
+								$running_totals[ $child_line_item->ID() ] = $quantity
+									? $child_line_item->unit_price()
+									: 0;
+								$running_totals['taxable'][ $child_line_item->ID() ] = $quantity
+									? $taxable_amount
+									: 0;
+							} else {
+								$quantity = $child_line_item->quantity();
+								$running_totals[ $child_line_item->ID() ] = $child_line_item->unit_price();
+								$running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
+							}
+							$running_totals['taxable']['total'] += $taxable_amount * $quantity;
+							$running_totals['total'] += $child_line_item->unit_price() * $quantity;
+						}
+					} else {
+						// it's some other type of item added to the cart
+						// it should affect the running totals
+						// basically we want to convert it into a PERCENT modifier. Because
+						// more clearly affect all registration's final price equally
+						$line_items_percent_of_running_total = $running_totals['total'] > 0
+							? ($child_line_item->total() / $running_totals['total']) + 1
+							: 1;
+						foreach ($running_totals as $line_item_id => $this_running_total) {
+							// the "taxable" array key is an exception
+							if ($line_item_id === 'taxable') {
+								continue;
+							}
+							// update the running totals
+							// yes this actually even works for the running grand total!
+							$running_totals[ $line_item_id ] =
+								$line_items_percent_of_running_total * $this_running_total;
+
+							if ($child_line_item->is_taxable()) {
+								$running_totals['taxable'][ $line_item_id ] =
+									$line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ];
+							}
+						}
+					}
+					break;
+			}
+		}
+		return $running_totals;
+	}
+
+
+	/**
+	 * @param EE_Line_Item $total_line_item
+	 * @param EE_Line_Item $ticket_line_item
+	 * @return float | null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws OutOfRangeException
+	 * @throws ReflectionException
+	 */
+	public static function calculate_final_price_for_ticket_line_item(
+		EE_Line_Item $total_line_item,
+		EE_Line_Item $ticket_line_item
+	) {
+		static $final_prices_per_ticket_line_item = array();
+		if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
+			$final_prices_per_ticket_line_item[ $total_line_item->ID() ] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+				$total_line_item
+			);
+		}
+		// ok now find this new registration's final price
+		if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
+			return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
+		}
+		$message = sprintf(
+			esc_html__(
+				'The final price for the ticket line item (ID:%1$d) could not be calculated.',
+				'event_espresso'
+			),
+			$ticket_line_item->ID()
+		);
+		if (WP_DEBUG) {
+			$message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
+			throw new OutOfRangeException($message);
+		}
+		EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);
+		return null;
+	}
+
+
+	/**
+	 * Creates a duplicate of the line item tree, except only includes billable items
+	 * and the portion of line items attributed to billable things
+	 *
+	 * @param EE_Line_Item      $line_item
+	 * @param EE_Registration[] $registrations
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function billable_line_item_tree(EE_Line_Item $line_item, $registrations)
+	{
+		$copy_li = EEH_Line_Item::billable_line_item($line_item, $registrations);
+		foreach ($line_item->children() as $child_li) {
+			$copy_li->add_child_line_item(
+				EEH_Line_Item::billable_line_item_tree($child_li, $registrations)
+			);
+		}
+		// if this is the grand total line item, make sure the totals all add up
+		// (we could have duplicated this logic AS we copied the line items, but
+		// it seems DRYer this way)
+		if ($copy_li->type() === EEM_Line_Item::type_total) {
+			$copy_li->recalculate_total_including_taxes();
+		}
+		return $copy_li;
+	}
+
+
+	/**
+	 * Creates a new, unsaved line item from $line_item that factors in the
+	 * number of billable registrations on $registrations.
+	 *
+	 * @param EE_Line_Item      $line_item
+	 * @param EE_Registration[] $registrations
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function billable_line_item(EE_Line_Item $line_item, $registrations)
+	{
+		$new_li_fields = $line_item->model_field_array();
+		if (
+			$line_item->type() === EEM_Line_Item::type_line_item &&
+			$line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+		) {
+			$count = 0;
+			foreach ($registrations as $registration) {
+				if (
+					$line_item->OBJ_ID() === $registration->ticket_ID() &&
+					in_array(
+						$registration->status_ID(),
+						EEM_Registration::reg_statuses_that_allow_payment(),
+						true
+					)
+				) {
+					$count++;
+				}
+			}
+			$new_li_fields['LIN_quantity'] = $count;
+		}
+		// don't set the total. We'll leave that up to the code that calculates it
+		unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent'], $new_li_fields['LIN_total']);
+		return EE_Line_Item::new_instance($new_li_fields);
+	}
+
+
+	/**
+	 * Returns a modified line item tree where all the subtotals which have a total of 0
+	 * are removed, and line items with a quantity of 0
+	 *
+	 * @param EE_Line_Item $line_item |null
+	 * @return EE_Line_Item|null
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function non_empty_line_items(EE_Line_Item $line_item)
+	{
+		$copied_li = EEH_Line_Item::non_empty_line_item($line_item);
+		if ($copied_li === null) {
+			return null;
+		}
+		// if this is an event subtotal, we want to only include it if it
+		// has a non-zero total and at least one ticket line item child
+		$ticket_children = 0;
+		foreach ($line_item->children() as $child_li) {
+			$child_li_copy = EEH_Line_Item::non_empty_line_items($child_li);
+			if ($child_li_copy !== null) {
+				$copied_li->add_child_line_item($child_li_copy);
+				if (
+					$child_li_copy->type() === EEM_Line_Item::type_line_item &&
+					$child_li_copy->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+				) {
+					$ticket_children++;
+				}
+			}
+		}
+		// if this is an event subtotal with NO ticket children
+		// we basically want to ignore it
+		if (
+			$ticket_children === 0
+			&& $line_item->type() === EEM_Line_Item::type_sub_total
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_EVENT
+			&& $line_item->total() === 0
+		) {
+			return null;
+		}
+		return $copied_li;
+	}
+
+
+	/**
+	 * Creates a new, unsaved line item, but if it's a ticket line item
+	 * with a total of 0, or a subtotal of 0, returns null instead
+	 *
+	 * @param EE_Line_Item $line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function non_empty_line_item(EE_Line_Item $line_item)
+	{
+		if (
+			$line_item->type() === EEM_Line_Item::type_line_item
+			&& $line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+			&& $line_item->quantity() === 0
+		) {
+			return null;
+		}
+		$new_li_fields = $line_item->model_field_array();
+		// don't set the total. We'll leave that up to the code that calculates it
+		unset($new_li_fields['LIN_ID'], $new_li_fields['LIN_parent']);
+		return EE_Line_Item::new_instance($new_li_fields);
+	}
+
+
+	/**
+	 * Cycles through all of the ticket line items for the supplied total line item
+	 * and ensures that the line item's "is_taxable" field matches that of its corresponding ticket
+	 *
+	 * @param EE_Line_Item $total_line_item
+	 * @since 4.9.79.p
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function resetIsTaxableForTickets(EE_Line_Item $total_line_item)
+	{
+		$ticket_line_items = self::get_ticket_line_items($total_line_item);
+		foreach ($ticket_line_items as $ticket_line_item) {
+			if (
+				$ticket_line_item instanceof EE_Line_Item
+				&& $ticket_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET
+			) {
+				$ticket = $ticket_line_item->ticket();
+				if ($ticket instanceof EE_Ticket && $ticket->taxable() !== $ticket_line_item->is_taxable()) {
+					$ticket_line_item->set_is_taxable($ticket->taxable());
+					$ticket_line_item->save();
+				}
+			}
+		}
+	}
+
+
+
+	/**************************************** @DEPRECATED METHODS *************************************** */
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item $total_line_item
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function get_items_subtotal(EE_Line_Item $total_line_item)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::get_items_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::get_pre_tax_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::get_pre_tax_subtotal($total_line_item);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_total_line_item($transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_total_line_item()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_total_line_item()'
+			),
+			'4.6.0'
+		);
+		return self::create_total_line_item($transaction);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_tickets_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_tickets_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_pre_tax_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_pre_tax_subtotal($total_line_item, $transaction);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_taxes_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_taxes_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_taxes_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_taxes_subtotal($total_line_item, $transaction);
+	}
+
+
+	/**
+	 * @deprecated
+	 * @param EE_Line_Item   $total_line_item
+	 * @param EE_Transaction $transaction
+	 * @return EE_Line_Item
+	 * @throws EE_Error
+	 * @throws InvalidArgumentException
+	 * @throws InvalidDataTypeException
+	 * @throws InvalidInterfaceException
+	 * @throws ReflectionException
+	 */
+	public static function create_default_event_subtotal(EE_Line_Item $total_line_item, $transaction = null)
+	{
+		EE_Error::doing_it_wrong(
+			'EEH_Line_Item::create_default_event_subtotal()',
+			sprintf(
+				esc_html__('Method replaced with %1$s', 'event_espresso'),
+				'EEH_Line_Item::create_event_subtotal()'
+			),
+			'4.6.0'
+		);
+		return self::create_event_subtotal($total_line_item, $transaction);
+	}
 }

Spacing +38 added lines, -38 removed lines

@@ -138,7 +138,7 @@ 
      */
     public static function add_ticket_purchase(EE_Line_Item $total_line_item, EE_Ticket $ticket, $qty = 1)
     {
-        if (! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
+        if ( ! $total_line_item instanceof EE_Line_Item || ! $total_line_item->is_total()) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -153,7 +153,7 @@ 
         // either increment the qty for an existing ticket
         $line_item = self::increment_ticket_qty_if_already_in_cart($total_line_item, $ticket, $qty);
         // or add a new one
-        if (! $line_item instanceof EE_Line_Item) {
+        if ( ! $line_item instanceof EE_Line_Item) {
             $line_item = self::create_ticket_line_item($total_line_item, $ticket, $qty);
         }
         $total_line_item->recalculate_total_including_taxes();
@@ -215,7 +215,7 @@ 
      */
     public static function increment_quantity(EE_Line_Item $line_item, $qty = 1)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $qty += $line_item->quantity();
             $line_item->set_quantity($qty);
             $line_item->set_total($line_item->unit_price() * $qty);
@@ -244,7 +244,7 @@ 
      */
     public static function decrement_quantity(EE_Line_Item $line_item, $qty = 1)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $qty = $line_item->quantity() - $qty;
             $qty = max($qty, 0);
             $line_item->set_quantity($qty);
@@ -273,7 +273,7 @@ 
      */
     public static function update_quantity(EE_Line_Item $line_item, $new_quantity)
     {
-        if (! $line_item->is_percent()) {
+        if ( ! $line_item->is_percent()) {
             $line_item->set_quantity($new_quantity);
             $line_item->set_total($line_item->unit_price() * $new_quantity);
             $line_item->save();
@@ -313,7 +313,7 @@ 
         // add $ticket to cart
         $line_item = EE_Line_Item::new_instance(array(
             'LIN_name'       => $ticket->name(),
-            'LIN_desc'       => $ticket->description() !== '' ? $ticket->description() . ' ' . $event : $event,
+            'LIN_desc'       => $ticket->description() !== '' ? $ticket->description().' '.$event : $event,
             'LIN_unit_price' => $ticket->price(),
             'LIN_quantity'   => $qty,
             'LIN_is_taxable' => $ticket->taxable(),
@@ -464,7 +464,7 @@ 
                         'event_espresso'
                     ),
                     $ticket_line_item->name(),
-                    current_time(get_option('date_format') . ' ' . get_option('time_format'))
+                    current_time(get_option('date_format').' '.get_option('time_format'))
                 ),
                 'LIN_unit_price' => 0, // $ticket_line_item->unit_price()
                 'LIN_quantity'   => $qty,
@@ -527,7 +527,7 @@ 
         );
         $cancellation_line_item = reset($cancellation_line_item);
         // verify that this ticket was indeed previously cancelled
-        if (! $cancellation_line_item instanceof EE_Line_Item) {
+        if ( ! $cancellation_line_item instanceof EE_Line_Item) {
             return false;
         }
         if ($cancellation_line_item->quantity() > $qty) {
@@ -733,7 +733,7 @@ 
             'LIN_code'  => 'taxes',
             'LIN_name'  => esc_html__('Taxes', 'event_espresso'),
             'LIN_type'  => EEM_Line_Item::type_tax_sub_total,
-            'LIN_order' => 1000,// this should always come last
+            'LIN_order' => 1000, // this should always come last
         ));
         $tax_line_item = apply_filters(
             'FHEE__EEH_Line_Item__create_taxes_subtotal__tax_line_item',
@@ -789,7 +789,7 @@ 
      */
     public static function get_event_code($event)
     {
-        return 'event-' . ($event instanceof EE_Event ? $event->ID() : '0');
+        return 'event-'.($event instanceof EE_Event ? $event->ID() : '0');
     }
 
 
@@ -838,7 +838,7 @@ 
     public static function get_event_line_item_for_ticket(EE_Line_Item $grand_total, EE_Ticket $ticket)
     {
         $first_datetime = $ticket->first_datetime();
-        if (! $first_datetime instanceof EE_Datetime) {
+        if ( ! $first_datetime instanceof EE_Datetime) {
             throw new EE_Error(
                 sprintf(
                     esc_html__('The supplied ticket (ID %d) has no datetimes', 'event_espresso'),
@@ -847,7 +847,7 @@ 
             );
         }
         $event = $first_datetime->event();
-        if (! $event instanceof EE_Event) {
+        if ( ! $event instanceof EE_Event) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -859,7 +859,7 @@ 
             );
         }
         $events_sub_total = EEH_Line_Item::get_event_line_item($grand_total, $event);
-        if (! $events_sub_total instanceof EE_Line_Item) {
+        if ( ! $events_sub_total instanceof EE_Line_Item) {
             throw new EE_Error(
                 sprintf(
                     esc_html__(
@@ -895,7 +895,7 @@ 
         $found = false;
         foreach (EEH_Line_Item::get_event_subtotals($grand_total) as $event_line_item) {
             // default event subtotal, we should only ever find this the first time this method is called
-            if (! $event_line_item->OBJ_ID()) {
+            if ( ! $event_line_item->OBJ_ID()) {
                 // let's use this! but first... set the event details
                 EEH_Line_Item::set_event_subtotal_details($event_line_item, $event);
                 $found = true;
@@ -907,7 +907,7 @@ 
                 break;
             }
         }
-        if (! $found) {
+        if ( ! $found) {
             // there is no event sub-total yet, so add it
             $pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($grand_total);
             // create a new "event" subtotal below that
@@ -1024,7 +1024,7 @@ 
     public static function ensure_taxes_applied($total_line_item)
     {
         $taxes_subtotal = self::get_taxes_subtotal($total_line_item);
-        if (! $taxes_subtotal->children()) {
+        if ( ! $taxes_subtotal->children()) {
             self::apply_taxes($total_line_item);
         }
         return $taxes_subtotal->total();
@@ -1091,7 +1091,7 @@ 
         do_action('AHEE_log', __FILE__, __FUNCTION__, '');
 
         // check if only a single line_item_id was passed
-        if (! empty($line_item_codes) && ! is_array($line_item_codes)) {
+        if ( ! empty($line_item_codes) && ! is_array($line_item_codes)) {
             // place single line_item_id in an array to appear as multiple line_item_ids
             $line_item_codes = array($line_item_codes);
         }
@@ -1198,7 +1198,7 @@ 
         if ($code_substring_for_whitelist !== null) {
             $whitelisted = strpos($line_item->code(), $code_substring_for_whitelist) !== false;
         }
-        if (! $whitelisted && $line_item->is_line_item()) {
+        if ( ! $whitelisted && $line_item->is_line_item()) {
             $line_item->set_is_taxable($taxable);
         }
         foreach ($line_item->children() as $child_line_item) {
@@ -1562,7 +1562,7 @@ 
     public static function visualize(EE_Line_Item $line_item, $indentation = 0)
     {
         echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
-        if (! $indentation) {
+        if ( ! $indentation) {
             echo defined('EE_TESTS_DIR') ? "\n" : '<br />';
         }
         for ($i = 0; $i < $indentation; $i++) {
@@ -1573,12 +1573,12 @@ 
             if ($line_item->is_percent()) {
                 $breakdown = "{$line_item->percent()}%";
             } else {
-                $breakdown = '$' . "{$line_item->unit_price()} x {$line_item->quantity()}";
+                $breakdown = '$'."{$line_item->unit_price()} x {$line_item->quantity()}";
             }
         }
         echo $line_item->name();
         echo " [ ID:{$line_item->ID()} | qty:{$line_item->quantity()} ] {$line_item->type()} : ";
-        echo '$' . (string) $line_item->total();
+        echo '$'.(string) $line_item->total();
         if ($breakdown) {
             echo " ( {$breakdown} )";
         }
@@ -1666,8 +1666,8 @@ 
                         if ($line_item_id === 'taxable') {
                             continue;
                         }
-                        $taxable_total = $running_totals['taxable'][ $line_item_id ];
-                        $running_totals[ $line_item_id ] += ($taxable_total * $tax_percent_decimal);
+                        $taxable_total = $running_totals['taxable'][$line_item_id];
+                        $running_totals[$line_item_id] += ($taxable_total * $tax_percent_decimal);
                     }
                     break;
 
@@ -1675,7 +1675,7 @@ 
                     // ticket line items or ????
                     if ($child_line_item->OBJ_type() === EEM_Line_Item::OBJ_TYPE_TICKET) {
                         // kk it's a ticket
-                        if (isset($running_totals[ $child_line_item->ID() ])) {
+                        if (isset($running_totals[$child_line_item->ID()])) {
                             // huh? that shouldn't happen.
                             $running_totals['total'] += $child_line_item->total();
                         } else {
@@ -1686,18 +1686,18 @@ 
                                 $taxable_amount = 0;
                             }
                             // are we only calculating totals for some tickets?
-                            if (isset($billable_ticket_quantities[ $child_line_item->OBJ_ID() ])) {
-                                $quantity = $billable_ticket_quantities[ $child_line_item->OBJ_ID() ];
-                                $running_totals[ $child_line_item->ID() ] = $quantity
+                            if (isset($billable_ticket_quantities[$child_line_item->OBJ_ID()])) {
+                                $quantity = $billable_ticket_quantities[$child_line_item->OBJ_ID()];
+                                $running_totals[$child_line_item->ID()] = $quantity
                                     ? $child_line_item->unit_price()
                                     : 0;
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $quantity
+                                $running_totals['taxable'][$child_line_item->ID()] = $quantity
                                     ? $taxable_amount
                                     : 0;
                             } else {
                                 $quantity = $child_line_item->quantity();
-                                $running_totals[ $child_line_item->ID() ] = $child_line_item->unit_price();
-                                $running_totals['taxable'][ $child_line_item->ID() ] = $taxable_amount;
+                                $running_totals[$child_line_item->ID()] = $child_line_item->unit_price();
+                                $running_totals['taxable'][$child_line_item->ID()] = $taxable_amount;
                             }
                             $running_totals['taxable']['total'] += $taxable_amount * $quantity;
                             $running_totals['total'] += $child_line_item->unit_price() * $quantity;
@@ -1717,12 +1717,12 @@ 
                             }
                             // update the running totals
                             // yes this actually even works for the running grand total!
-                            $running_totals[ $line_item_id ] =
+                            $running_totals[$line_item_id] =
                                 $line_items_percent_of_running_total * $this_running_total;
 
                             if ($child_line_item->is_taxable()) {
-                                $running_totals['taxable'][ $line_item_id ] =
-                                    $line_items_percent_of_running_total * $running_totals['taxable'][ $line_item_id ];
+                                $running_totals['taxable'][$line_item_id] =
+                                    $line_items_percent_of_running_total * $running_totals['taxable'][$line_item_id];
                             }
                         }
                     }
@@ -1749,14 +1749,14 @@ 
         EE_Line_Item $ticket_line_item
     ) {
         static $final_prices_per_ticket_line_item = array();
-        if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[ $total_line_item->ID() ])) {
-            $final_prices_per_ticket_line_item[ $total_line_item->ID() ] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
+        if (empty($final_prices_per_ticket_line_item) || empty($final_prices_per_ticket_line_item[$total_line_item->ID()])) {
+            $final_prices_per_ticket_line_item[$total_line_item->ID()] = EEH_Line_Item::calculate_reg_final_prices_per_line_item(
                 $total_line_item
             );
         }
         // ok now find this new registration's final price
-        if (isset($final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ])) {
-            return $final_prices_per_ticket_line_item[ $total_line_item->ID() ][ $ticket_line_item->ID() ];
+        if (isset($final_prices_per_ticket_line_item[$total_line_item->ID()][$ticket_line_item->ID()])) {
+            return $final_prices_per_ticket_line_item[$total_line_item->ID()][$ticket_line_item->ID()];
         }
         $message = sprintf(
             esc_html__(
@@ -1766,7 +1766,7 @@ 
             $ticket_line_item->ID()
         );
         if (WP_DEBUG) {
-            $message .= '<br>' . print_r($final_prices_per_ticket_line_item, true);
+            $message .= '<br>'.print_r($final_prices_per_ticket_line_item, true);
             throw new OutOfRangeException($message);
         }
         EE_Log::instance()->log(__CLASS__, __FUNCTION__, $message);