Classes List

Symfony\Component\Form\CallbackTransformer

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */


namespace Symfony\Component\Form;

use Symfony\Component\Form\Exception\UnexpectedTypeException;
use Symfony\Component\Form\Exception\TransformationFailedException;

class CallbackTransformer implements DataTransformerInterface
{
    private $transform;
    private $reverseTransform;

    /** * @param callable $transform The forward transform callback * @param callable $reverseTransform The reverse transform callback */
    public function __construct(callable $transformcallable $reverseTransform)
    {
        $this->transform = $transform;
        $this->reverseTransform = $reverseTransform;
    }

    /** * Transforms a value from the original representation to a transformed representation. * * @param mixed $data The value in the original representation * * @return mixed The value in the transformed representation * * @throws UnexpectedTypeException when the argument is not of the expected type * @throws TransformationFailedException when the transformation fails */
    public function transform($data)
    {
        return call_user_func($this->transform$data);
    }

    /** * Transforms a value from the transformed representation to its original * representation. * * @param mixed $data The value in the transformed representation * * @return mixed The value in the original representation * * @throws UnexpectedTypeException when the argument is not of the expected type * @throws TransformationFailedException when the transformation fails */
    public function reverseTransform($data)
    {
        return call_user_func($this->reverseTransform$data);
    }
}