How to Find Errors in Translation Files

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Read the updated version of this page for Symfony 7.1 (the current stable version).

Symfony processes all the application translation files as part of the process that compiles the application code before executing it. If there's an error in any translation file, you'll see an error message explaining the problem.

If you prefer, you can also validate the contents of any YAML and XLIFF translation file using the lint:yaml and lint:xliff commands:

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        # lint a single file
$ php bin/console lint:yaml app/Resources/translations/messages.en.yml
$ php bin/console lint:xliff app/Resources/translations/messages.en.xlf

# lint a whole directory
$ php bin/console lint:yaml app/Resources/translations
$ php bin/console lint:xliff app/Resources/translations

# lint a specific bundle
$ php bin/console lint:yaml @AppBundle
$ php bin/console lint:xliff @AppBundle
    

3.3

The lint:xliff command was introduced in Symfony 3.3.

The linter results can be exported to JSON using the --format option:

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        # lint a single file
$ php bin/console lint:yaml app/Resources/translations --format=json
$ php bin/console lint:xliff app/Resources/translations --format=json
    

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.

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