move-elevator/composer-translation-validator

A Composer plugin that validates translations files in your project regarding mismatches between language source and target files.

1.2.0 2025-08-04 10:11 UTC

Requires

• php: ^8.1
• composer-plugin-api: ^1.0 || ^2.0
• ext-libxml: *
• ext-mbstring: *
• ext-simplexml: *
• justinrainbow/json-schema: ^5.3 || ^6.4
• psr/log: ^1.0 || ^2.0 || ^3.0
• symfony/config: ^5.0 || ^6.0 || ^7.0
• symfony/console: ^5.0 || ^6.0 || ^7.0
• symfony/filesystem: ^5.0 || ^6.0 || ^7.0
• symfony/translation: ^5.0 || ^6.0 || ^7.0
• symfony/yaml: ^5.0 || ^6.0 || ^7.0

Requires (Dev)

• armin/editorconfig-cli: ^1.0 || ^2.0
• composer/composer: ^2.0
• eliashaeussler/php-cs-fixer-config: 2.3.0
• eliashaeussler/rector-config: ^3.0
• ergebnis/composer-normalize: ^2.44
• phpstan/phpstan: ^2.0
• phpstan/phpstan-phpunit: ^2.0
• phpstan/phpstan-symfony: ^2.0
• phpunit/phpunit: ^10.2 || ^11.0 || ^12.0
• roave/security-advisories: dev-latest

Suggests

• ext-intl: Required for validating translations regarding unicode normalization issues.

GPL-3.0-or-later

• Konrad Michalik

README

Composer Translation Validator

A Composer plugin that validates translation files in your project. Provides a command validate-translations to check for translations mismatches, duplicates, schema validation and more. Supports XLIFF, YAML, JSON and PHP translation files.

✨ Features

• Autodetect coherent language files
• Supports various translation file formats
• Provides multiple validators
• Configurable via separate configuration files

🔥 Installation

composer require --dev move-elevator/composer-translation-validator

📊 Usage

Validate your translation files by running the command:

composer validate-translations ./translations

The command validate-translations can be used to validate translation files in your project. It will automatically detect the translation files based on the supported formats and run the configured validators. See the console command documentation for more details.

📝 Documentation

Supported File Formats

Translations will be detected and grouped by the following file formats (regarding the associated frameworks):

Format	Frameworks	Example files
XLIFF	TYPO3 CMS	locallang.xlf, de.locallang.xlf
YAML	Symfony	messages.en.yaml, messages.de.yaml
JSON	Laravel, Symfony	messages.en.json, messages.de.json
PHP	Laravel, Symfony	en/messages.php, messages.en.php

See detailed file format and file detection documentation with examples.

Translation Validators

The following translation validators are available (and enabled by default):

Validator	Description
DuplicateKeysValidator	Catches duplicate keys within files
DuplicateValuesValidator	Finds identical translation values
EmptyValuesValidator	Detects empty or whitespace-only values
EncodingValidator	Validates UTF-8 encoding and Unicode issues
HtmlTagValidator	Ensures HTML tag consistency across languages
KeyCountValidator	Warns when files exceed a configurable key count threshold
KeyDepthValidator	Warns when translation keys have excessive nesting depth
KeyNamingConventionValidator	Enforces key naming patterns (requires config)
MismatchValidator	Finds missing translations between files
PlaceholderConsistencyValidator	Validates placeholder patterns
XliffSchemaValidator	Validates XLIFF against XML schemas

View detailed validator documentation with examples.

🧑‍💻 Contributing

Please have a look at CONTRIBUTING.md.

⭐ License

This project is licensed under GNU General Public License 3.0 (or later).