Solucionado Crear una página que lea de la base de datos

$texts = array(...)

<form action="{xen:link index/testMultipleWrite}" method="post" class="Form">
<xen:foreach loop="$texts" value="$text" i="$i">
    <dl class="ctrlUnit">
        <label for="ctrl_custom_title">{xen:phrase text}:</label>
                <select name="text" class="textCtrl OptOut" id="ctrl_style_id" autofocus="on">
                    <xen:foreach loop="$texts" value="$text" i="$i">
                            <option value="{$text}">{$text}</option>
                    </xen:foreach>
                    </optgroup>
                </select>
    </dl>
    <br/>
</xen:foreach>
    <dl class="ctrlUnit submitUnit">
        <dt></dt>
        <dd><input type="submit" value="{xen:phrase save}" class="button primary" accesskey="s" /></dd>
    </dl>
 
    <input type="hidden" name="_xfToken" value="{$visitor.csrf_token_page}" />
 
</form>

        $visitor = XenForo_Visitor::getInstance();
        if (!$visitor->get('user_id')) {
            return $this->responseError(new XenForo_Phrase('cannot_edit_arena'));
        }
        $userId =  XenForo_Visitor::getUserId();
 
foreach ($tests as $test){
        $test = $this->_input->filter(array(
            'user_id'  => XenForo_Input::UINT,
            'text'    => XenForo_Input::STRING,
        ));
 
        $writer = XenForo_DataWriter::create('XenForo_DataWriter_Test');
        $writer->setExistingData($visitor->get('user_id'));
        $writer->set('text', $text);
        $writer->save();
}
return...

[LIST]
[*]The existing data required by the data writer could not be found.
[*]The field 'numero' was not recognised.
[/LIST]