public function build_options() {
		$input = '';
		$value = $this->get_value();

		if ( ! empty( $this->struct['choices'] ) ) {
			foreach ( $this->struct['choices'] as $option_value => $option_label ) {
				$sel = null;
				if ( $option_value == $value ) {
					$sel = ' selected="selected"';
				}

				$input .= '<option value="' . esc_attr( $option_value ) . '"' . $sel . '>' . esc_html( $option_label ) . '</option>';
			}
		}

		return $input;
	}