/**
  * Install WC
  */
 public static function install()
 {
     global $wpdb;
     if (!defined('WC_INSTALLING')) {
         define('WC_INSTALLING', true);
     }
     // Ensure needed classes are loaded
     include_once 'admin/class-wc-admin-notices.php';
     self::create_options();
     self::create_tables();
     self::create_roles();
     // Register post types
     WC_Post_types::register_post_types();
     WC_Post_types::register_taxonomies();
     // Also register endpoints - this needs to be done prior to rewrite rule flush
     WC()->query->init_query_vars();
     WC()->query->add_endpoints();
     WC_API::add_endpoint();
     WC_Auth::add_endpoint();
     WC_AJAX::add_endpoint();
     self::create_terms();
     self::create_cron_jobs();
     self::create_files();
     // Queue upgrades/setup wizard
     $current_wc_version = get_option('woocommerce_version', null);
     $current_db_version = get_option('woocommerce_db_version', null);
     $major_wc_version = substr(WC()->version, 0, strrpos(WC()->version, '.'));
     WC_Admin_Notices::remove_all_notices();
     // No versions? This is a new install :)
     if (is_null($current_wc_version) && is_null($current_db_version) && apply_filters('woocommerce_enable_setup_wizard', true)) {
         WC_Admin_Notices::add_notice('install');
         set_transient('_wc_activation_redirect', 1, 30);
         // No page? Let user run wizard again..
     } elseif (!get_option('woocommerce_cart_page_id')) {
         WC_Admin_Notices::add_notice('install');
         // Show welcome screen for major updates only
     } elseif (version_compare($current_wc_version, $major_wc_version, '<')) {
         set_transient('_wc_activation_redirect', 1, 30);
     }
     if (!is_null($current_db_version) && version_compare($current_db_version, max(array_keys(self::$db_updates)), '<')) {
         WC_Admin_Notices::add_notice('update');
     } else {
         self::update_db_version();
     }
     self::update_wc_version();
     // Flush rules after install
     flush_rewrite_rules();
     delete_transient('wc_attribute_taxonomies');
     /*
      * Deletes all expired transients. The multi-table delete syntax is used
      * to delete the transient record from table a, and the corresponding
      * transient_timeout record from table b.
      *
      * Based on code inside core's upgrade_network() function.
      */
     $sql = "DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b\n\t\t\tWHERE a.option_name LIKE %s\n\t\t\tAND a.option_name NOT LIKE %s\n\t\t\tAND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )\n\t\t\tAND b.option_value < %d";
     $wpdb->query($wpdb->prepare($sql, $wpdb->esc_like('_transient_') . '%', $wpdb->esc_like('_transient_timeout_') . '%', time()));
     // Trigger action
     do_action('woocommerce_installed');
 }
 /**
  * Install WC
  */
 public static function install()
 {
     global $wpdb;
     if (!defined('WC_INSTALLING')) {
         define('WC_INSTALLING', true);
     }
     // Ensure needed classes are loaded
     include_once 'admin/class-wc-admin-notices.php';
     self::create_options();
     self::create_tables();
     self::create_roles();
     // Register post types
     WC_Post_types::register_post_types();
     WC_Post_types::register_taxonomies();
     // Also register endpoints - this needs to be done prior to rewrite rule flush
     WC()->query->init_query_vars();
     WC()->query->add_endpoints();
     WC_API::add_endpoint();
     WC_Auth::add_endpoint();
     WC_AJAX::add_endpoint();
     self::create_terms();
     self::create_cron_jobs();
     self::create_files();
     // Queue upgrades
     $current_db_version = get_option('woocommerce_db_version', null);
     if (version_compare($current_db_version, '2.3.0', '<') && null !== $current_db_version) {
         WC_Admin_Notices::add_notice('update');
     } else {
         delete_option('woocommerce_db_version');
         add_option('woocommerce_db_version', WC()->version);
     }
     // Update version
     delete_option('woocommerce_version');
     add_option('woocommerce_version', WC()->version);
     // Check if pages are needed
     if (wc_get_page_id('shop') < 1) {
         WC_Admin_Notices::add_notice('install');
     }
     // Flush rules after install
     flush_rewrite_rules();
     delete_transient('wc_attribute_taxonomies');
     /*
      * Deletes all expired transients. The multi-table delete syntax is used
      * to delete the transient record from table a, and the corresponding
      * transient_timeout record from table b.
      *
      * Based on code inside core's upgrade_network() function.
      */
     $sql = "DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b\n\t\t\tWHERE a.option_name LIKE %s\n\t\t\tAND a.option_name NOT LIKE %s\n\t\t\tAND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )\n\t\t\tAND b.option_value < %d";
     $wpdb->query($wpdb->prepare($sql, $wpdb->esc_like('_transient_') . '%', $wpdb->esc_like('_transient_timeout_') . '%', time()));
     // Redirect to welcome screen
     if (!is_network_admin() && !isset($_GET['activate-multi'])) {
         set_transient('_wc_activation_redirect', 1, 30);
     }
     // Trigger action
     do_action('woocommerce_installed');
 }