BBP_Topics_Admin::filter_dropdown()

	public function filter_dropdown() {

		if ( $this->bail() ) return;

		// Add Empty Spam button
		if ( !empty( $_GET['post_status'] ) && ( bbp_get_spam_status_id() === $_GET['post_status'] ) && current_user_can( 'moderate' ) ) {
			wp_nonce_field( 'bulk-destroy', '_destroy_nonce' );
			$title = esc_attr__( 'Empty Spam', 'buddyboss' );
			submit_button( $title, 'button-secondary apply', 'delete_all', false );
		}

		// Get which forum is selected
		$selected = !empty( $_GET['bbp_forum_id'] ) ? $_GET['bbp_forum_id'] : '';

		// Show the forums dropdown
		bbp_dropdown( array(
			'selected'  => $selected,
			'show_none' => __( 'In all forums', 'buddyboss' )
		) );
	}