Илья Уткин

if ($modx->event->name == "OnDocFormSave") {
    $introtext = $resource->get('introtext');
    $generateIntrotext = $resource->getIntroText($resource->get('content'), false);
    if (empty($resource->getProperty('disable_jevix'))) {
        $generateIntrotext = $resource->Jevix($generateIntrotext);
    }
    if ($introtext == $generateIntrotext) {
        $resource->set('introtext', '');
    $resource->save();
    }
}

<script type="text/javascript">
	$("#articleBody p:eq(3)").after('<div id="bn_XXXXXXXXXX">загрузка...</div><script type="text/javascript" src="//recreativ.ru/rcode.XXXXXXXXXX.js"></script>');
</script>

<code></code>

[[*id:input=`value`:toPlaceholder=`param`]]
[[pdoResources? &tpl=`row`]]

$(document).on('change', 'input[name="card"]', function(){
  $('#payment_14').trigger('click');
});
$(document).on('click', 'input[name="payment"]', function(){
  if ($(this).val() != 14) {
      $('input[name="card"]').removeAttr("checked");
  }
});

Clean-param: an *

$numrec = 'totalRec';
$output = $modx->runSnippet('Ticket', array(
	'class_key' => 'Ticket',
	array(
	'publishedon:>='=> '1456088400',
	'publishedon:<' => '1456606800'
	),
	'parents'  => 16, 
	'totalVar' => $numrec, 
	'tpl' => '@INLINE', 
	'createdby:IN' => $userid,
	'showUnpublished' => 1,
	'deleted' => 0
));
return $modx->getPlaceholder($numrec);

&where=`{"tags.file_id:IS":null}`