14     protected $nodes = [];  variable in DOMWrap\\Collections\\NodeCollection
17      * @param iterable $nodes
19     public function __construct(iterable $nodes = null) {  argument
20         if (!is_iterable($nodes)) {
21             $nodes = [];
24         foreach ($nodes as $node) {
25             $this->nodes[] = $node;
35         return count($this->nodes);
46         return isset($this->nodes[$offset]);
58         return isset($this->nodes[$offset]) ? $this->nodes[$offset] : null;
69             $this->nodes[] = $value;
71             $this->nodes[$offset] = $value;
81         unset($this->nodes[$offset]);
99         $nodes = [];
102             $nodes = $this->current()->childNodes;
105         return new static($nodes);
129         return current($this->nodes);
140         return key($this->nodes);
151         return next($this->nodes);
162         return reset($this->nodes);
172         return key($this->nodes) !== null;