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<?php
namespace Bdf\Form\Constraint;
use Symfony\Component\Validator\Constraint;
/**
* Handle custom constraint using a callback
*
* <code>
* // The callback may return a boolean : if it's false, use the 'message' parameter as error
* new Closure([
* 'callback' => function ($value, ElementInterface $element) {
* return $this->checkValue($value);
* },
* 'message' => 'my error',
* ]);
* // You can also return a string to define a custom message
* new Closure(function ($value, ElementInterface $element) {
* if (!$this->checkValue($value)) {
* return 'my error';
* }
* });
* // To define an error code, return the error as an array
* return ['message' => 'my error', 'code' => 'MY_ERROR'];
* </code>
*/
class Closure extends Constraint
{
* @var string
public $message = 'The value is invalid';
* @var callable(mixed,\Bdf\Form\ElementInterface,\Symfony\Component\Validator\Context\ExecutionContextInterface):(bool|string|array{code?: string, message?: string})
public $callback;
* {@inheritdoc}
public function getDefaultOption()
return 'callback';
}
b2pweb /
bdf-form
