protected function uninstall()
 {
     global $wpdb;
     // deleting transactions
     $sql = $wpdb->prepare("DELETE FROM {$wpdb->prefix}gf_addon_payment_transaction\n                                WHERE lead_id IN\n                                   (SELECT lead_id FROM {$wpdb->prefix}rg_lead_meta WHERE meta_key='payment_gateway' AND meta_value=%s)", $this->_slug);
     $wpdb->query($sql);
     // deleting callback log
     $sql = $wpdb->prepare("DELETE FROM {$wpdb->prefix}gf_addon_payment_callback WHERE addon_slug=%s", $this->_slug);
     $wpdb->query($sql);
     //clear cron
     wp_clear_scheduled_hook($this->_slug . '_cron');
     parent::uninstall();
 }
 protected function uninstall()
 {
     global $wpdb;
     // deleting transactions
     $sql = $wpdb->prepare("DELETE FROM {$wpdb->prefix}gf_addon_payment_transaction\n                                WHERE feed_id IN (SELECT id FROM {$wpdb->prefix}gf_addon_feed WHERE addon_slug=%s)", $this->_slug);
     $wpdb->query($sql);
     //clear cron
     wp_clear_scheduled_hook($this->_slug . "_cron");
     parent::uninstall();
 }
 /**
  * Clear the cached settings on uninstall.
  *
  * @return bool
  */
 public function uninstall()
 {
     parent::uninstall();
     GFCache::delete('mailchimp_plugin_settings');
     return true;
 }
 public function uninstall()
 {
     require_once $this->get_base_path() . '/includes/wizard/class-installation-wizard.php';
     $wizard = new Gravity_Flow_Installation_Wizard();
     $wizard->flush_values();
     wp_clear_scheduled_hook('gravityflow_cron');
     $this->uninstall_db();
     parent::uninstall();
 }