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    <h3>Editing: AbstractSyslogHandler.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\Handler;

use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;

/**
 * Common syslog functionality
 *
 * @phpstan-import-type Level from \Monolog\Logger
 */
abstract class AbstractSyslogHandler extends AbstractProcessingHandler
{
    /** @var int */
    protected $facility;

    /**
     * Translates Monolog log levels to syslog log priorities.
     * @var array
     * @phpstan-var array&lt;Level, int&gt;
     */
    protected $logLevels = [
        Logger::DEBUG     =&gt; LOG_DEBUG,
        Logger::INFO      =&gt; LOG_INFO,
        Logger::NOTICE    =&gt; LOG_NOTICE,
        Logger::WARNING   =&gt; LOG_WARNING,
        Logger::ERROR     =&gt; LOG_ERR,
        Logger::CRITICAL  =&gt; LOG_CRIT,
        Logger::ALERT     =&gt; LOG_ALERT,
        Logger::EMERGENCY =&gt; LOG_EMERG,
    ];

    /**
     * List of valid log facility names.
     * @var array&lt;string, int&gt;
     */
    protected $facilities = [
        'auth'     =&gt; LOG_AUTH,
        'authpriv' =&gt; LOG_AUTHPRIV,
        'cron'     =&gt; LOG_CRON,
        'daemon'   =&gt; LOG_DAEMON,
        'kern'     =&gt; LOG_KERN,
        'lpr'      =&gt; LOG_LPR,
        'mail'     =&gt; LOG_MAIL,
        'news'     =&gt; LOG_NEWS,
        'syslog'   =&gt; LOG_SYSLOG,
        'user'     =&gt; LOG_USER,
        'uucp'     =&gt; LOG_UUCP,
    ];

    /**
     * @param string|int $facility Either one of the names of the keys in $this-&gt;facilities, or a LOG_* facility constant
     */
    public function __construct($facility = LOG_USER, $level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
            $this-&gt;facilities['local0'] = LOG_LOCAL0;
            $this-&gt;facilities['local1'] = LOG_LOCAL1;
            $this-&gt;facilities['local2'] = LOG_LOCAL2;
            $this-&gt;facilities['local3'] = LOG_LOCAL3;
            $this-&gt;facilities['local4'] = LOG_LOCAL4;
            $this-&gt;facilities['local5'] = LOG_LOCAL5;
            $this-&gt;facilities['local6'] = LOG_LOCAL6;
            $this-&gt;facilities['local7'] = LOG_LOCAL7;
        } else {
            $this-&gt;facilities['local0'] = 128; // LOG_LOCAL0
            $this-&gt;facilities['local1'] = 136; // LOG_LOCAL1
            $this-&gt;facilities['local2'] = 144; // LOG_LOCAL2
            $this-&gt;facilities['local3'] = 152; // LOG_LOCAL3
            $this-&gt;facilities['local4'] = 160; // LOG_LOCAL4
            $this-&gt;facilities['local5'] = 168; // LOG_LOCAL5
            $this-&gt;facilities['local6'] = 176; // LOG_LOCAL6
            $this-&gt;facilities['local7'] = 184; // LOG_LOCAL7
        }

        // convert textual description of facility to syslog constant
        if (is_string($facility) &amp;&amp; array_key_exists(strtolower($facility), $this-&gt;facilities)) {
            $facility = $this-&gt;facilities[strtolower($facility)];
        } elseif (!in_array($facility, array_values($this-&gt;facilities), true)) {
            throw new \UnexpectedValueException('Unknown facility value &quot;'.$facility.'&quot; given');
        }

        $this-&gt;facility = $facility;
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter('%channel%.%level_name%: %message% %context% %extra%');
    }
}
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