<?php
/*
* This file is part of the Monolog package.
*
* (c) Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Monolog\Processor;
use Monolog\ResettableInterface;
/**
* Adds a unique identifier into records
*
* @author Simon Mönch <sm@webfactory.de>
*/
class UidProcessor implements ProcessorInterface, ResettableInterface
{
private $uid;
public function __construct($length = 7)
{
if (!is_int($length) || $length > 32 || $length < 1) {
throw new \InvalidArgumentException('The uid length must be an integer between 1 and 32');
}
$this->uid = $this->generateUid($length);
}
public function __invoke(array $record)
{
$record['extra']['uid'] = $this->uid;
return $record;
}
/**
* @return string
*/
public function getUid()
{
return $this->uid;
}
public function reset()
{
$this->uid = $this->generateUid(strlen($this->uid));
}
private function generateUid($length)
{
return substr(hash('md5', uniqid('', true)), 0, $length);
}
}