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24 lines
684 B
24 lines
684 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\DOM;
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trait WalkShallow {
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/**
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* Generator which just walks through a node's child nodes. Nonstandard.
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*
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* @param ?\Closure $filter - An optional closure to use to filter
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*/
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public function walkShallow(?\Closure $filter = null): \Generator {
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$node = (!$this instanceof TemplateElement) ? $this : $this->content;
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foreach ($node->childNodes as $child) {
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if ($filter === null || $filter($child)) {
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yield $child;
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}
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}
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}
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}
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