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Symfony 5: The Fast Track is the best book to learn modern Symfony development, from zero to production. +300 pages in full color showing how to combine Symfony with Docker, APIs, queues & async tasks, Webpack, Single-Page Applications, etc.

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  2. Documentation
  3. Reference
  4. Constraints
  5. Language
WARNING: You are browsing the documentation for Symfony 2.3 which is not maintained anymore. Consider upgrading your projects to Symfony 5.1.

Language

2.3 version
Maintained
3.4 4.4 5.1 current 5.2 master
Unmaintained
2.0 2.1 2.2 2.4 2.5 2.6 2.7 2.8 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 5.0

Language

Validates that a value is a valid language Unicode language identifier (e.g. fr or zh-Hant).

Applies to property or method
Options
Class Symfony\Component\Validator\Constraints\Language
Validator Symfony\Component\Validator\Constraints\LanguageValidator

Basic Usage

  • Annotations
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    // src/AppBundle/Entity/User.php
namespace AppBundle\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class User
{
    /**
     * @Assert\Language()
     */
     protected $preferredLanguage;
}
  • YAML
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    # src/AppBundle/Resources/config/validation.yml
AppBundle\Entity\User:
    properties:
        preferredLanguage:
            - Language: ~
  • XML
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    <!-- src/AppBundle/Resources/config/validation.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<constraint-mapping xmlns="http://symfony.com/schema/dic/constraint-mapping"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/dic/constraint-mapping http://symfony.com/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">

    <class name="AppBundle\Entity\User">
        <property name="preferredLanguage">
            <constraint name="Language" />
        </property>
    </class>
</constraint-mapping>
  • PHP
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    // src/AppBundle/Entity/User.php
namespace AppBundle\Entity;

use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Constraints as Assert;

class User
{
    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
        $metadata->addPropertyConstraint('preferredLanguage', new Assert\Language());
    }
}

Options

message

type: string default: This value is not a valid language.

This message is shown if the string is not a valid language code.

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