DB::uninstall_single()

	protected function uninstall_single() {
		global $wpdb;

		// Only drop database tables if a hard uninstall should be run.
		$options = $this->options()->get( 'general_settings', array() );
		if ( empty( $options['hard_uninstall'] ) ) {
			return;
		}

		$this->options->delete( 'general_settings' );
		$this->options->delete( 'extension_settings' );

		$modules = array_keys( torro()->modules()->get_all() );
		foreach ( $modules as $module ) {
			$this->options->delete( 'module_' . $module );
		}

		$form_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type = %s", $this->get_prefix() . 'form' ) );
		foreach ( $form_ids as $form_id ) {
			wp_delete_post( $form_id, true );
		}

		$form_category_ids = $wpdb->get_col( $wpdb->prepare( "SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = %s", $this->get_prefix() . 'form_category' ) );
		foreach ( $form_category_ids as $form_category_id ) {
			wp_delete_term( $form_category_id, $this->get_prefix() . 'form_category' );
		}

		parent::uninstall_single();
	}