Yii Logging Library - File Target

3.0.0 2023-02-17 05:52 UTC



Yii Logging Library - File Target

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This package provides the File target for the yiisoft/log. The target:

  • records log messages in a file
  • allows you to configure log files rotation
  • provides the ability to compress rotated log files


  • PHP 8.0 or higher.


The package could be installed with Composer:

composer require yiisoft/log-target-file

General usage

Creating a rotator:

$rotator = new \Yiisoft\Log\Target\File\FileRotator(
  • $maxFileSize (int) - The maximum file size, in kilo-bytes. Defaults to 10240, meaning 10MB.
  • $maxFiles (int) - The number of files used for rotation. Defaults to 5.
  • $fileMode (int|null) - The permission to be set for newly created files. Defaults to null.
  • $compressRotatedFiles (bool) - Whether to compress rotated files with gzip. Defaults to false.

Creating a target:

$fileTarget = new \Yiisoft\Log\Target\File\FileTarget(
  • $logFile (string) - The log file path. Defaults to /tmp/app.log.
  • $rotator (\Yiisoft\Log\Target\File\FileRotatorInterface|null) - Defaults to null, which means that log files will not be rotated.
  • $dirMode (int) - The permission to be set for newly created directories. Defaults to 0775.
  • $fileMode (int|null) - The permission to be set for newly created log files. Defaults to null.

Creating a logger:

$logger = new \Yiisoft\Log\Logger([$fileTarget]);

For use in the Yii framework, see the configuration files:


For a description of using the logger, see the yiisoft/log package.

If you need help or have a question, the Yii Forum is a good place for that. You may also check out other Yii Community Resources.


The Yii Logging Library - File Target is free software. It is released under the terms of the BSD License. Please see LICENSE for more information.

Maintained by Yii Software.

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