dangfei-api/public/phpMyAdmin4.8.5/templates/database/designer/schema_export.twig

<form method="post" action="schema_export.php" class="disableAjax" id="id_export_pages">
    <fieldset>
        {{ Url_getHiddenInputs(db) }}
        <label>{% trans 'Select Export Relational Type' %}</label>
        {{ Plugins_getChoice('Schema', 'export_type', export_list, 'format') }}
        <input type="hidden" name="page_number" value="{{ page }}" />
        {{ Plugins_getOptions('Schema', export_list) }}
    </fieldset>
</form>