Cover of the book Symfony 5: The Fast Track

Symfony 5: The Fast Track is the best book to learn modern Symfony development, from zero to production. +300 pages showcasing Symfony with Docker, APIs, queues & async tasks, Webpack, SPAs, etc.

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  4. Constraints
  5. Country
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Consider upgrading your projects to Symfony 5.2.

Country

2.2 version
Maintained
4.4 5.2 current 5.3 dev
Unmaintained
2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3.0 3.1 3.2 3.3 3.4 4.0 4.1 4.2 4.3 5.0 5.1

Country

Validates that a value is a valid ISO 3166-1 alpha-2 country code.

Applies to property or method
Options
Class Symfony\Component\Validator\Constraints\Country
Validator Symfony\Component\Validator\Constraints\CountryValidator

Basic Usage

  • YAML
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    # src/UserBundle/Resources/config/validation.yml
Acme\UserBundle\Entity\User:
    properties:
        country:
            - Country: ~
  • Annotations
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    // src/Acme/UserBundle/Entity/User.php
namespace Acme\UserBundle\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class User
{
    /**
     * @Assert\Country
     */
     protected $country;
}
  • XML
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    <!-- src/Acme/UserBundle/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="Acme\UserBundle\Entity\User">
        <property name="country">
            <constraint name="Country" />
        </property>
    </class>
</constraint-mapping>
  • PHP
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    // src/Acme/UserBundle/Entity/User.php
namespace Acme\UserBundle\Entity;

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

class User
{
    public static function loadValidationMetadata(ClassMetadata $metadata)
    {
        $metadata->addPropertyConstraint('country', new Assert\Country());
    }
}

Options

message

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

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

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