MinLength
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MinLength
Caution
The MinLength constraint is deprecated since version 2.1 and will be removed
in Symfony 2.3. Use Length with the min
option instead.
Validates that the length of a string is at least as long as the given limit.
Applies to | property or method |
Options | |
Class | MinLength |
Validator | MinLengthValidator |
Basic Usage
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# src/Acme/BlogBundle/Resources/config/validation.yml
Acme\BlogBundle\Entity\Blog:
properties:
firstName:
- MinLength: { limit: 3, message: "Your name must have at least {{ limit }} characters." }
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// src/Acme/BlogBundle/Entity/Blog.php
namespace Acme\BlogBundle\Entity;
use Symfony\Component\Validator\Constraints as Assert;
class Blog
{
/**
* @Assert\MinLength(
* limit=3,
* message="Your name must have at least {{ limit }} characters."
* )
*/
protected $summary;
}
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<!-- src/Acme/BlogBundle/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\BlogBundle\Entity\Blog">
<property name="summary">
<constraint name="MinLength">
<option name="limit">3</option>
<option name="message">Your name must have at least {{ limit }} characters.</option>
</constraint>
</property>
</class>
</constraint-mapping>
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// src/Acme/BlogBundle/Entity/Blog.php
namespace Acme\BlogBundle\Entity;
use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Constraints as Assert;
class Blog
{
public static function loadValidatorMetadata(ClassMetadata $metadata)
{
$metadata->addPropertyConstraint('summary', new Assert\MinLength(array(
'limit' => 3,
'message' => 'Your name must have at least {{ limit }} characters.',
)));
}
}
Options
limit
type: integer
[default option]
This required option is the "min" value. Validation will fail if the length of the give string is less than this number.