LessThan

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LessThan

2.3

The LessThan constraint was introduced in Symfony 2.3.

Validates that a value is less than another value, defined in the options. To force that a value is less than or equal to another value, see LessThanOrEqual. To force a value is greater than another value, see GreaterThan.

Applies to	property or method
Options	value message
Class	LessThan
Validator	LessThanValidator

Basic Usage

If you want to ensure that the age of a Person class is less than 80, you could do the following:

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        # src/Acme/SocialBundle/Resources/config/validation.yml
Acme\SocialBundle\Entity\Person:
    properties:
        age:
            - LessThan:
                value: 80
    

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        // src/Acme/SocialBundle/Entity/Person.php
namespace Acme\SocialBundle\Entity;

use Symfony\Component\Validator\Constraints as Assert;

class Person
{
    /**
     * @Assert\LessThan(
     *     value = 80
     * )
     */
    protected $age;
}
    

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        <!-- src/Acme/SocialBundle/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\SocialBundle\Entity\Person">
        <property name="age">
            <constraint name="LessThan">
                <option name="value">80</option>
            </constraint>
        </property>
    </class>
</constraint-mapping>
    

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        // src/Acme/SocialBundle/Entity/Person.php
namespace Acme\SocialBundle\Entity;

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

class Person
{
    public static function loadValidatorMetadata(ClassMetadata $metadata)
    {
        $metadata->addPropertyConstraint('age', new Assert\LessThan(array(
            'value' => 80,
        )));
    }
}
    