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Edit File: LibYamlFrontMatterParser.php

<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Extension\FrontMatter\Data;

use League\CommonMark\Exception\MissingDependencyException;
use League\CommonMark\Extension\FrontMatter\Exception\InvalidFrontMatterException;

final class LibYamlFrontMatterParser implements FrontMatterDataParserInterface
{
    public static function capable(): ?LibYamlFrontMatterParser
    {
        if (! \extension_loaded('yaml')) {
            return null;
        }

return new LibYamlFrontMatterParser();
    }

/**
     * {@inheritDoc}
     */
    public function parse(string $frontMatter)
    {
        if (! \extension_loaded('yaml')) {
            throw new MissingDependencyException('Failed to parse yaml: "ext-yaml" extension is missing');
        }

$result = @\yaml_parse($frontMatter);

if ($result === false) {
            throw new InvalidFrontMatterException('Failed to parse front matter');
        }

return $result;
    }
}

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