<?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\Utils;
/**
* Processes a record's message according to PSR-3 rules
*
* It replaces {foo} with the value from $context['foo']
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class PsrLogMessageProcessor implements ProcessorInterface
{
const SIMPLE_DATE = "Y-m-d\TH:i:s.uP";
/** @var string|null */
private $dateFormat;
/** @var bool */
private $removeUsedContextFields;
/**
* @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
* @param bool $removeUsedContextFields If set to true the fields interpolated into message gets unset
*/
public function __construct($dateFormat = null, $removeUsedContextFields = false)
{
$this->dateFormat = $dateFormat;
$this->removeUsedContextFields = $removeUsedContextFields;
}
/**
* @param array $record
* @return array
*/
public function __invoke(array $record)
{
if (false === strpos($record['message'], '{')) {
return $record;
}
$replacements = array();
foreach ($record['context'] as $key => $val) {
$placeholder = '{' . $key . '}';
if (strpos($record['message'], $placeholder) === false) {
continue;
}
if (is_null($val) || is_scalar($val) || (is_object($val) && method_exists($val, "__toString"))) {
$replacements[$placeholder] = $val;
} elseif ($val instanceof \DateTime) {
$replacements[$placeholder] = $val->format($this->dateFormat ?: static::SIMPLE_DATE);
} elseif (is_object($val)) {
$replacements[$placeholder] = '[object '.Utils::getClass($val).']';
} elseif (is_array($val)) {
$replacements[$placeholder] = 'array'.Utils::jsonEncode($val, null, true);
} else {
$replacements[$placeholder] = '['.gettype($val).']';
}
if ($this->removeUsedContextFields) {
unset($record['context'][$key]);
}
}
$record['message'] = strtr($record['message'], $replacements);
return $record;
}
}