<?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\Extension\Core\DataAccessor;use Symfony\Component\Form\DataAccessorInterface;use Symfony\Component\Form\Exception\AccessException;use Symfony\Component\Form\FormInterface;/** * @author Yonel Ceruto <yonelceruto@gmail.com> */class ChainAccessor implements DataAccessorInterface{ private $accessors; /** * @param DataAccessorInterface[]|iterable $accessors */ public function __construct(iterable $accessors) { $this->accessors = $accessors; } /** * {@inheritdoc} */ public function getValue($data, FormInterface $form) { foreach ($this->accessors as $accessor) { if ($accessor->isReadable($data, $form)) { return $accessor->getValue($data, $form); } } throw new AccessException('Unable to read from the given form data as no accessor in the chain is able to read the data.'); } /** * {@inheritdoc} */ public function setValue(&$data, $value, FormInterface $form): void { foreach ($this->accessors as $accessor) { if ($accessor->isWritable($data, $form)) { $accessor->setValue($data, $value, $form); return; } } throw new AccessException('Unable to write the given value as no accessor in the chain is able to set the data.'); } /** * {@inheritdoc} */ public function isReadable($data, FormInterface $form): bool { foreach ($this->accessors as $accessor) { if ($accessor->isReadable($data, $form)) { return true; } } return false; } /** * {@inheritdoc} */ public function isWritable($data, FormInterface $form): bool { foreach ($this->accessors as $accessor) { if ($accessor->isWritable($data, $form)) { return true; } } return false; }}