ULID

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验证一个值是否为有效的通用唯一词典排序标识符 (ULID)。

适用于	属性或方法
类	Ulid
验证器	UlidValidator

基本用法

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        // src/Entity/File.php
namespace App\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class File
{
    #[Assert\Ulid]
    protected string $identifier;
}
    

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        # config/validator/validation.yaml
App\Entity\File:
    properties:
        identifier:
            - Ulid: ~
    

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        <!-- config/validator/validation.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<constraint-mapping xmlns="http://symfony.ac.cn/schema/dic/constraint-mapping"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.ac.cn/schema/dic/constraint-mapping http://symfony.ac.cn/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">

    <class name="App\Entity\File">
        <property name="identifier">
            <constraint name="Ulid"/>
        </property>
    </class>
</constraint-mapping>
    

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        // src/Entity/File.php
namespace App\Entity;

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

class File
{
    // ...

    public static function loadValidatorMetadata(ClassMetadata $metadata): void
    {
        $metadata->addPropertyConstraint('identifier', new Assert\Ulid());
    }
}
    