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    <h3>Editing: TagProcessor.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano &lt;j.boggiano@seld.be&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Adds a tags array into record
 *
 * @author Martijn Riemers
 */
class TagProcessor implements ProcessorInterface
{
    /** @var string[] */
    private $tags;

    /**
     * @param string[] $tags
     */
    public function __construct(array $tags = [])
    {
        $this-&gt;setTags($tags);
    }

    /**
     * @param string[] $tags
     */
    public function addTags(array $tags = []): self
    {
        $this-&gt;tags = array_merge($this-&gt;tags, $tags);

        return $this;
    }

    /**
     * @param string[] $tags
     */
    public function setTags(array $tags = []): self
    {
        $this-&gt;tags = $tags;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $record['extra']['tags'] = $this-&gt;tags;

        return $record;
    }
}
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