public function findInPlace($selector)
{
$query = new \QueryPath\CSS\DOMTraverser($this->matches);
$query->find($selector);
$this->setMatches($query->matches());
return $this;
}
/**
* Get the children of the elements in the DOMQuery object.
*
* If a selector is provided, the list of children will be filtered through
* the selector.
*
* @param string $selector
* A valid selector.
* @return \QueryPath\DOMQuery
* A DOMQuery wrapping all of the children.
* @see removeChildren()
* @see parent()
* @see parents()
* @see next()
* @see prev()
*/
public function children($selector = NULL)
{
$found = new \SplObjectStorage();
$filter = strlen($selector) > 0;
if ($filter) {
$tmp = new \SplObjectStorage();
}
foreach ($this->matches as $m) {
foreach ($m->childNodes as $c) {
if ($c->nodeType == XML_ELEMENT_NODE) {
// This is basically an optimized filter() just for children().
if ($filter) {
$tmp->attach($c);
$query = new \QueryPath\CSS\DOMTraverser($tmp, TRUE, $c);
$query->find($selector);
if (count($query->matches()) > 0) {
$found->attach($c);
}
$tmp->detach($c);
} else {
$found->attach($c);
}
}
}
}
$new = $this->inst($found, NULL, $this->options);
return $new;
}