DateTime

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Validates that a value is a valid "datetime", meaning either a DateTime object or a string (or an object that can be cast into a string) that follows a specific format.

Applies to	property or method
Options	format groups message payload
Class	DateTime
Validator	DateTimeValidator

Basic Usage

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        // src/AppBundle/Entity/Author.php
namespace AppBundle\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class Author
{
    /**
     * @Assert\DateTime
     */
    protected $createdAt;
}
    

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        # src/AppBundle/Resources/config/validation.yml
AppBundle\Entity\Author:
    properties:
        createdAt:
            - DateTime: ~
    

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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 https://symfony.com/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd">

    <class name="AppBundle\Entity\Author">
        <property name="createdAt">
            <constraint name="DateTime"/>
        </property>
    </class>
</constraint-mapping>
    

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        // src/AppBundle/Entity/Author.php
namespace AppBundle\Entity;

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

class Author
{
    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
        $metadata->addPropertyConstraint('createdAt', new Assert\DateTime());
    }
}
    

Note

As with most of the other constraints, null and empty strings are considered valid values. This is to allow them to be optional values. If the value is mandatory, a common solution is to combine this constraint with NotBlank.

Options

format

type: string default: Y-m-d H:i:s

This option allows to validate a custom date format. See DateTime::createFromFormat() for formatting options.

`groups`

type: array | string

It defines the validation group or groups this constraint belongs to. Read more about validation groups.

`message`

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

This message is shown if the underlying data is not a valid datetime.

You can use the following parameters in this message:

Parameter	Description
`{{ value }}`	The current (invalid) value

`payload`

type: mixed default: null

This option can be used to attach arbitrary domain-specific data to a constraint. The configured payload is not used by the Validator component, but its processing is completely up to you.

For example, you may want to use several error levels to present failed constraints differently in the front-end depending on the severity of the error.

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

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