Модификация формы создания тикета

<select name="parent" >[[!getSectionsList]]</select>

<?php
$tpl = '<option value="[[+id]]" [[+selected]]>[[+title]]</option>';
$current = 0;
if(isset($_REQUEST['parent'])){
    $current = intval($_REQUEST['parent']);
}
else if(isset($_REQUEST['tid'])){
    $post = $modx->getObject('modResource', intval($_REQUEST['tid']));
    if($post != null){
        $current = $post->get('parent');
    }
}

$q = $modx->newQuery('modResource');
$q->where(array('parent' => 0, 'template' => 16, 'published' => 1, 'deleted' => 0));
$q->sortby('menuindex', 'ASC');
$parents = $modx->getCollection('modResource', $q);
$parentsIds = array();
foreach($parents as $parent){
    $parentsIds[] = $parent->get('id');
}

$q = $modx->newQuery('modResource');
$q->where(array('parent:IN' => $parentsIds, 'template' => 14, 'published' => 1, 'deleted' => 0));
$q->sortby('menuindex', 'ASC');
$blogs = $modx->getCollection('modResource', $q);

$output = array();
foreach($parents as $parent){
    $output[] = '<optgroup label="'.$parent->get('pagetitle').'">';
    $pid = $parent->get('id');
    foreach($blogs as $blog){
        if($blog->get('parent') == $pid){
            $selected = $current == $blog->get('id') ? 'selected="selected"' : '';
            $option = str_replace('[[+title]]', $blog->get('pagetitle'), $tpl);
            $option = str_replace('[[+id]]', $blog->get('id'), $option);
            $option = str_replace('[[+selected]]', $selected, $option);
            $output[] = $option;
        }
    }
    $output[] = '</optgroup>';
}
return implode("\n", $output);