pma/templates/display/export/options_output_compression.twig

{% if is_zip or is_gzip %}
    <li>
        <label for="compression" class="desc">
            {% trans 'Compression:' %}
        </label>
        <select id="compression" name="compression">
            <option value="none">{% trans 'None' %}</option>
            {% if is_zip %}
                <option value="zip"
                    {{- selected_compression == 'zip' ? ' selected' }}>
                    {% trans 'zipped' %}
                </option>
            {% endif %}
            {% if is_gzip %}
                <option value="gzip"
                    {{- selected_compression == 'gzip' ? ' selected' }}>
                    {% trans 'gzipped' %}
                </option>
            {% endif %}
        </select>
    </li>
{% else %}
    <input type="hidden" name="compression" value="{{ selected_compression }}">
{% endif %}