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<?php
declare(strict_types=1);
namespace League\HTMLToMarkdown\Converter;
use League\HTMLToMarkdown\Configuration;
use League\HTMLToMarkdown\ConfigurationAwareInterface;
use League\HTMLToMarkdown\ElementInterface;
class CommentConverter implements ConverterInterface, ConfigurationAwareInterface
{
/** @var Configuration */
protected $config;
public function setConfig(Configuration $config): void
$this->config = $config;
}
public function convert(ElementInterface $element): string
if ($this->shouldPreserve($element)) {
return '<!--' . $element->getValue() . '-->';
return '';
/**
* @return string[]
*/
public function getSupportedTags(): array
return ['#comment'];
private function shouldPreserve(ElementInterface $element): bool
$preserve = $this->config->getOption('preserve_comments');
if ($preserve === true) {
return true;
if (\is_array($preserve)) {
$value = \trim($element->getValue());
return \in_array($value, $preserve, true);
return false;