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26 lines
659 B
26 lines
659 B
<?php
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/** @license MIT
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* Copyright 2017 , Dustin Wilson, J. King et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace MensBeam\HTML;
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trait Walk {
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public function walk(\Closure $filter): \Generator {
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return $this->walkGenerator($this, $filter);
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}
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private function walkGenerator(\DOMNode $node, \Closure $filter) {
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if ($filter($node)) {
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yield $node;
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}
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if ($node->hasChildNodes()) {
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$children = $node->childNodes;
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foreach ($children as $c) {
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yield from $this->walkGenerator($c, $filter);
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}
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}
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}
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}
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