phpQueryObject::not PHP Метод

    public function not($selector = null)
    {
        if (is_string($selector)) {
            phpQuery::debug(array('not', $selector));
        } else {
            phpQuery::debug('not');
        }
        $stack = array();
        if ($selector instanceof self || $selector instanceof DOMNODE) {
            foreach ($this->stack() as $node) {
                if ($selector instanceof self) {
                    $matchFound = false;
                    foreach ($selector->stack() as $notNode) {
                        if ($notNode->isSameNode($node)) {
                            $matchFound = true;
                        }
                    }
                    if (!$matchFound) {
                        $stack[] = $node;
                    }
                } elseif ($selector instanceof DOMNODE) {
                    if (!$selector->isSameNode($node)) {
                        $stack[] = $node;
                    }
                } else {
                    if (!$this->is($selector)) {
                        $stack[] = $node;
                    }
                }
            }
        } else {
            $orgStack = $this->stack();
            $matched = $this->filter($selector, true)->stack();
            //			$matched = array();
            //			// simulate OR in filter() instead of AND 5y
            //			foreach($this->parseSelector($selector) as $s) {
            //				$matched = array_merge($matched,
            //					$this->filter(array($s))->stack()
            //				);
            //			}
            foreach ($orgStack as $node) {
                if (!$this->elementsContainsNode($node, $matched)) {
                    $stack[] = $node;
                }
            }
        }
        return $this->newInstance($stack);
    }