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<?php declare(strict_types=1);
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/*
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* This file is part of the Monolog package.
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*
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* (c) Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Monolog\Processor;
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use Monolog\Utils;
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/**
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* Processes a record's message according to PSR-3 rules
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*
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* It replaces {foo} with the value from $context['foo']
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*
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class PsrLogMessageProcessor implements ProcessorInterface
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{
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public const SIMPLE_DATE = "Y-m-d\TH:i:s.uP";
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/** @var string|null */
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private $dateFormat;
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/** @var bool */
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private $removeUsedContextFields;
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/**
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* @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
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* @param bool $removeUsedContextFields If set to true the fields interpolated into message gets unset
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*/
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public function __construct(?string $dateFormat = null, bool $removeUsedContextFields = false)
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{
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$this->dateFormat = $dateFormat;
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$this->removeUsedContextFields = $removeUsedContextFields;
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}
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/**
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* {@inheritDoc}
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*/
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public function __invoke(array $record): array
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{
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if (false === strpos($record['message'], '{')) {
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return $record;
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}
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$replacements = [];
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foreach ($record['context'] as $key => $val) {
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$placeholder = '{' . $key . '}';
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if (strpos($record['message'], $placeholder) === false) {
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continue;
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}
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if (is_null($val) || is_scalar($val) || (is_object($val) && method_exists($val, "__toString"))) {
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$replacements[$placeholder] = $val;
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} elseif ($val instanceof \DateTimeInterface) {
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if (!$this->dateFormat && $val instanceof \Monolog\DateTimeImmutable) {
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// handle monolog dates using __toString if no specific dateFormat was asked for
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// so that it follows the useMicroseconds flag
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$replacements[$placeholder] = (string) $val;
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} else {
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$replacements[$placeholder] = $val->format($this->dateFormat ?: static::SIMPLE_DATE);
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}
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} elseif ($val instanceof \UnitEnum) {
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$replacements[$placeholder] = $val instanceof \BackedEnum ? $val->value : $val->name;
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} elseif (is_object($val)) {
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$replacements[$placeholder] = '[object '.Utils::getClass($val).']';
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} elseif (is_array($val)) {
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$replacements[$placeholder] = 'array'.Utils::jsonEncode($val, null, true);
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} else {
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$replacements[$placeholder] = '['.gettype($val).']';
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}
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if ($this->removeUsedContextFields) {
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unset($record['context'][$key]);
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}
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}
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$record['message'] = strtr($record['message'], $replacements);
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return $record;
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}
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}
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