/**
* This method is called after the last test of this test class is run.
*/
protected function tearDown()
{
if ($this->dom) {
$this->dom->clear();
}
$this->dom = null;
gc_collect_cycles();
}
/**
* Prepares content, for manipulation.
*
* @param string|CDomNode|CDomNode[]|CDomDocument|CDomNodesList $content
*
* @return CDomNodesList|false returns FALSE if content is empty
*/
protected function prepareContent($content)
{
if (!$content instanceof CDomNodesList) {
// Document
if ($content instanceof CDomDocument) {
$content =& $content->detachChildren();
} else {
if (!is_object($content) && !is_array($content)) {
$content = CDom::fromString($content);
$content =& $content->detachChildren();
}
}
$list = new self();
$list->add($content);
$content = $list;
}
return $content->length ? $content : false;
}