thephpleague / html-to-markdown

<?php

declare(strict_types=1);

namespace League\HTMLToMarkdown\Converter;

use League\HTMLToMarkdown\ElementInterface;

class BlockquoteConverter implements ConverterInterface

{

    public function convert(ElementInterface $element): string

    {

        // Contents should have already been converted to Markdown by this point,

        // so we just need to add '>' symbols to each line.

        $markdown = '';

        $quoteContent = \trim($element->getValue());

        $lines = \preg_split('/\r\n|\r|\n/', $quoteContent);

        \assert(\is_array($lines));

        $totalLines = \count($lines);

        foreach ($lines as $i => $line) {

            $markdown .= '> ' . $line . "\n";

            if ($i + 1 === $totalLines) {

                $markdown .= "\n";

            }

        }

        return $markdown;

    }

    /**

     * @return string[]

     */

    public function getSupportedTags(): array

    {

        return ['blockquote'];

    }

}